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how many seeds of marijuana make a pound

Hemp Production for Fiber or Grain – Revised

University of Nebraska-Lincoln Extension information is typically based on the interpretation of research information from Nebraska or elsewhere in the Midwest. However, such information is not available for hemp production due to previous restrictions on research in the U.S. This publication relies heavily on research findings from Europe and Canada. See more stories in this series at https://cropwatch.unl.edu/tags/hemp.

In Nebraska, hemp grown for fiber or grain will more closely match existing cropping systems than hemp grown for CBD. Fiber/grain hemp could increase diversity for current rotations, but may offer some challenges, given no pesticides are currently labeled for pest management. Hemp production for fiber and/or grain can be highly mechanized with labor demands per acre similar to that of other agronomic crops, except for weed control and harvest operations which require relatively more time for hemp.

Seed sources and varieties

Varieties of hemp, whose stems are used for fiber, bio-fuel, or other products, grow to 6-7 feet in height, providing the desired long fibers for industrial processing. Varieties such as Futura 75, Futura 77, and Fanola have had some validation for Nebraska conditions. Hemp varieties should be certified as having <0.3% THC. Earlier maturing varieties may be preferred for grain production, and in some instances, they may be desired for both grain and fiber harvest. Fiber yield is likely to be less with earlier-maturity varieties than later-maturity varieties because cellulose concentration and yield increase as the season progresses. Male plants die off during the season and monoecious female varieties are generally preferred for industrial hemp production.

Planting

Grain production may be optimized with no more than 150,000 plants per acre and sowing 20 to 30 lb/ac of seed. Fiber production may be best when planting in row spacings of less than 12 inches, however, some do plant in 30’ rows. The seed rate maybe 25 to 30 lb /ac. High plant density results in tall plants capable of producing longer fibers. Hemp can be sown with a grain drill such as used for wheat. The seed weight has been estimated at 15,000 to 27,000 seed per pound (1000 kernel weight of 18-22 grams; the seed will be smaller for monoecious varieties). The seed is fragile and can be damaged during planting. With air planters, the fan speed should be set at low.

In Europe, fiber yields were not increased by having more than 182,000 plants per acre and this plant density resulted in better quality fiber than with higher plant densities. Hemp plant stands are likely to self-thin as more vigorous plants suppress the less vigorous, such as the male plants. Seed placement should be ½ to ¾ inch deep; some recommend seeding at more than a 1-inch depth in dry soil.

Soil temperature should be about 55 o F. Emergence is likely three to five days after spring planting. Hemp is more tolerant of low soil temperature at planting than corn and while seedlings can be killed by an early frost, hemp survived a 24 o F temperature in May in Canada.

Fertilizer

Fertilizer recommendations have not been determined for Nebraska. Penn State University has recommended 150 lb/ac N, 30 lb/ac P2O5 and 20 lb/ac K2O. In a series of trials in Europe, mean fiber yield did not increase with when nitrogen was increased from 90 lb/ac to 140 lb/ac; however, in another set of trials conducted in the Netherlands, fiber yield increase as the N rate was increased to 180 lb/ac. In Alberta Canada, grain yield peaked with 110 lb/ac N and fiber yield peaked with 80 lb/ac N. The optimal P and K rates will depend on soil test values.

Weed, Disease, and Insect Management

A list of products allowed for pest control is provided by the Nebraska Department of Agriculture. Weed suppression with narrow rows, high plant density, and tall plants is important for fiber production. If planted in 30” rows, inter-row cultivation may be needed for early weed control. Hemp can be planted no-till following a burn-down application of herbicide.

There is potential for disease and insect pest problems but information and recommendations are lacking for Nebraska and other states. No pesticides are labeled for hemp in the US. Therefore, rotation of hemp with other crops may an important component of integrated insect and disease management for hemp production. Hemp may benefit other crops in rotation such as through suppression of weeds and some nematode species by hemp. In Alberta, gray mold has been a problem and rotation with canola was found to increase sclerotinia.

Harvest

Grain should be harvested when shattering begins. The rest of the plant will still be green and about 70% of the seed will be mature. The grain water content may be >20% but <20% is desired. Grain combines can be used for grain harvest and some have suggested settings similar to those used for grain sorghum. The long stems can challenge combine harvest so some have placed PVC pipe around moving parts to reduce wrapping. The header should be kept high enough to get the grain while minimizing stem that needs to pass through the combine. The cylinder speed should be 4500-6000 rpm. Much dust can be generated when the plants are dry creating a fire hazard. Move grain at low auger speeds or with conveyor belts to reduce damage.

As with any grain crop, the proper harvesting, processing, transportation, and storage are critical to prevent spoilage and ensure the highest value for the harvested grain. Hemp grain is thin-walled and fragile, requiring care in harvest, storage, and transport. A grain drying facility is needed and grain drying should begin within 1.5 hour of harvest. Drying can be at 140 o F with a continuous flow drier but grain temperature should not exceed 100 o F to avoid ‘toasting’. Hemp grain, about the size of sorghum grain, contains 29-34% oil of which 15-25% is alpha-linolenic acid (an omega 3 fatty acid) compared with 35-45% oil content for flax of which 70% may be alpha-linolenic acid.

Hemp is swath or windrow cut for fiber production at about 8” between early bloom and seed set when the lower leaves of female plants begin to yellow. The windrows are baled at 12% moisture content and the bales are transported for processing to remove and separate the bast and hurd fibers. Bast fiber concentration is highest in the “bark” of the stem while high lignin but shorter hurd fibers dominate in the rest of the stem. Therefore, wider diameter stems are preferred. Common fiber yields are 15-22% of stem dry weight. A multi-cut combine is available that harvests the upper plant for grain while windrowing the stems; it seems it works well for some varieties but not all. An alternative for harvesting both grain and fiber is to harvest these in separate passes, maybe giving the stems more time to dry before cutting for the fiber harvest.

Processing

Information is scarce. We have not learned of any large-scale commercial heap decortication facility operational in US. Small-scale hand-fed equipment is marketed on-line. Canadian Greenfield Technologies has their patient pending HempTrain™ which is described as capable of handling baled hemp feedstock and separation of the high-CBD fraction, green microfiber, bast fiber, hurd, and grain fractions. It is reported to be capable of processing feedstock at 1 t/hr.

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Traditionally, hemp was left in the field for up to five weeks after cutting for retting (dew retting), a decomposition process that breaks the bonds between the outer long bast fibers and the inner shorter hurd fibers. However, dew retting is subject to weather conditions and uncontrolled with inconsistent and often negative effects on fiber quality. An alternative to dew retting is water retting which requires much clean water which should be treated before discharge. More common may be mechanical fiber separation without any retting or maybe with an enzymatic treatment.

Marketing

It appears the 2019 supply greatly exceeded demand and hemp fiber and grain feedstock prices plunged during 2019. The supply/demand discrepancy was greater for the Great Plains compared with some other areas. Rather than outright purchase of feedstock at an agreed price, processors offered growers a profit share arrangement on the product once sold. Available market information is too weak for prediction but indicates a need for caution. Some brokers and processors may be new with little capacity to fulfill obligations under adverse conditions with risks of failed contracts or delayed acceptance of feedstock. See a USDA ERS Feb 2020 report.

Hemp Production Budgets

For information on budgeting for hemp grain, fiber and CBD production, see worksheets from Pennsylvania State University and from the University of Kentucky.

How Many Ounces in a Pound? [Know the Exact Answer]

Weed lovers amongst you know that the precious herb is measured by weight. As such, it is imperative that you understand the different units of measurement which mean converting grams, ounces and pounds. If your cannabis consumption level is best described as ‘significant’, a failure to determine how many ounces are in a pound could cost you a decent sum of money in the long-term.

Whether you are smoking your weed or using edibles, learning some simple math will help ensure you get your money’s worth. Furthermore, the good news is the conversion process gets easier as you increase the amount – knowing what a pound of weed is at an oz per lb rate, for example, should be routine knowledge for any self-respecting “cannasieur.”

Keep reading to learn more about how to convert ounces to pounds, gram to pound, etc. or skip the process by using our online converter.

Grams, Pounds and Ounces Converter

1 Pound = 16 Ounces… Plus Change

There are two main measurement systems; the imperial and metric systems and in the United States, we tend to favor the former. In the metric system, the gram is the base unit. In the imperial system, ounces and pounds are used. When buying cannabis, you tend to concern yourself with grams and ounces, but not pounds. Why?

Because even one pound of marijuana is an enormous amount! (Which makes knowing how many oz in a lb relatively trivial information).

There are of course 16 ounces in a pound, but a lot of people seem to get the precise measurements completely incorrect. You will often hear someone say that there are 28 grams in an ounce, for example. Since there are 16 ounces in a pound, there must be 448 grams in a pound (28 x 16), right?

WRONG!… Or maybe not.

Following is a list of the official imperial measurement system, and its most popular conversions (memorizing the lists will make jumping around from ounce to pound that much easier if – or when – you need to do it in real life).

How Many Grams in a Pound? The Simple Conversion…

All things considered, most daily marijuana users will know (and have memorized) the following conversions from grams to lb, etc. And if you end up being in the “weed game” for any amount of time, these numbers will become as routine as knowing your social security number or cell phone number:

  • 1 gram = 0.00220461 pounds
  • 1 pound = 453.592 grams
  • 1 ounce = 28.3495 grams

In the world of weed however, the answer is not quite as straightforward as most dealers (and even some dispensaries) will round off to the nearest tenth. The ‘unofficial’ weed measuring system will look something like this:

  • An Eighth: 3.5 grams
  • A Fifth: 5.6 grams
  • A Quarter: 7 grams
  • A Half: 14 grams
  • An Ounce: 28 grams
  • A Pound: 448 grams

Ounces in a Pound are Usually Rounded Down…

Marijuana culture dictates that we round everything down for the sake of simplification. Therefore, while a pound is technically just over 453 grams, a pound of weed is 448 grams. For the record, an eighth of weed should last you anywhere from 2-3 weeks. Since there are 16 ounces in a pound of weed, you would have 128 x eighths, which is an immense amount of herb!

If you landed yourself a pound of Mary Jane, you would have enough to last you for around five years! Sadly, though, your weed would go stale a long time before you finish it; unless you invite Snoop Dogg and another dozen experienced smokers around to your house for a lengthy session.

Research suggests that the average joint has 0.5 grams of weed. Therefore, here is the number of joints you could expect, per measurement:

  • An Eighth : 7 Joints.
  • A Quarter : 14 Joints.
  • A Half : 28 Joints.
  • An Ounce : 56 Joints.
  • A Pound: 896 Joints!

How to Accurately Weigh Large Quantities of Weed – Including Pounds

Let’s be perfectly clear, if you’re looking to weigh anything more than a couple of ounces of herb, it’s clear you’re trying to sell. If you live in a state such as Idaho, where cannabis is illegal for all purposes, there is a world of difference between getting caught with a couple of ounces and a few ounces!

In Idaho, possession of three ounces or less is a misdemeanor punishable by up to a year in prison and a $1,000 fine. If you have more than three ounces but less than a pound of weed, it is classified as a felony with a jail sentence of up to five years and a fine of $10,000.

Back on topic, once you know how to convert ounces to pounds of weed, your next step is to discover how to weigh your product without spilling any weed. Although dispensaries provide you with perfectly measured ganja, you need to be accurate if measuring marijuana at home for edibles. After all, you don’t want to overdo the THC content in your hash brownies!

As far as weighing large quantities of weed is concerned, a large platform scale is your best friend as it helps you weigh out ounces and pounds safely. The average sized platform on one of these behemoths is 36 square inches which is about twice as large as a typical pocket scale.

Obviously, there are a few downsides associated with large platform scales. Portability is one; a severe issue if you’re trying to buy, sell, or measure your marijuana discreetly. There are some brands, such as the LB Series weed scale, which are large and portable. A large platform scale is especially useful when trying to create edibles on a wider scale.

Using Weed Scales to Figure Out How Many Ounces Are in a Pound

Although they don’t enable you to measure the same amount of weed as larger scales, stealth scales are ideal for discreetly measuring weed by ounces and grams (in other words, they probably won’t help you to remember that crucial 16 ounces to pounds conversions…).

If you shop online, you’ll find marijuana scales that look like everyday items. For instance, some scales resemble candy bars, CD cases, ashtrays, and even a computer mouse! There is also a hand scale which you hook to a bag of weed. It doesn’t compare to digital scales for accuracy, but it is handy in an emergency.

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When buying a weed scale, you have to consider your budget and your needs. The type of scale you need for casual measuring and the type for heavier weights are very different indeed. A few years ago, $100 would barely get you a half-decent product but today, the same amount should get you a premium-quality scale capable of measuring to within a hundredth of a gram.

While this might not do you much good if/when you have to remind yourself how many ounces in pound, it’ll be super practical and effective for most day-to-day “cannabis operations.”

A Good Scale Will Tell You How Many Oz in a Pound… And MUCH More

While it’s great to have a kick-butt “super scale” that could accurately decipher a proper oz in lb conversion ratio for a massive marijuana transaction, it’s much more realistic to have one that consistently (and accurately) measures grams.

In fact, there’s no getting around the fact of needing a scale that measures in grams. When shopping for a good one, you’ll want to choose a product capable of measuring to at least 0.1 of a gram, if not 0.01. 1/100 of a gram is overkill, but it does help guarantee accuracy.

Secondly, pick a scale with a maximum capacity of at least 200 grams. This equates to around seven ounces. Better yet, scales with a one-kilogram capacity (1,000 grams) can weigh up to 36 ounces or a little over two pounds of weed. For scales with larger maxes, make sure the measuring platform is large.

The majority of scales are battery powered so if you intend on weighing your weed regularly, it might be prudent to choose one that plugs into a wall socket. Given the low cost of scales, there is no need to compromise. You can find a pocket scale with a 1,000-gram capacity with accuracy to within 0.1 grams for under $10 on Amazon!

Although scales come with instructions, you shouldn’t need much guidance. Switch it on by pressing the power button and set the scale to 0.0 by pressing the ‘tare’ or ‘zero’ button. You must always ensure the scale is calibrated before you use it. To be fair, most scales come with calibration weights but this isn’t always the case. When in doubt, place a nickel on the scale. If it doesn’t weigh 5.0 grams, the scale is inaccurate.

Converting Oz in a Pound by Sight Alone… Is Not a Great Idea

We aren’t going to suggest that it is impossible to measure weed ‘by eye,’ but it is pretty close! You could perhaps get a rough idea of how much an ounce or pound of cannabis is by sight, but if you’re wrong by even 5%, the cost is significant.

The truth is, there are too many variables ever to get it right and even the most experienced weed user is no match for a digital scale.

If you browse online, you’ll find various photos depicting the weight of different marijuana strains. You’ll quickly learn that an ounce of indica looks different on the screen to an ounce of sativa.

And there are other things to consider. For instance, you have to take into account the differing densities of cannabis flowers. It is clear that 10 grams of a thin sativa is significantly larger than 10 grams of a dense indica (then there is the small matter of water content, which varies a lot from strain to strain).

Will You Ever Really Need to Know How Many Ounces Are in a Pound?

Consider this: outside of TV or the movies, have you ever really heard of “average” people needing to know how many oz are in a pound? I mean, how much is a pound of weed anyway?

To put it simply, it’s a lot of weed — a LOT. Unless you’ve got the tolerance of Snoop Dogg, Willie Nelson and Seth Rogen combined, it would likely take you years to burn through a pound of quality bud all by yourself.

And by any standards, most average individuals should probably know (and have memorized) the fact that there are 16 oz in a lb. Knowing your oz per pound conversions is indeed a convenient tool to have, but in all reality there’s probably not much practical use for it — unless you’re a commercial grower or doing something like operating a dispensary.

Accurately Knowing How Many Oz in a Pound Can Save You Money… And Lots of It

If you don’t have scales and are purchasing the weed from an individual or a dispensary, you have to trust that they are giving you the right amount – even if it should be a relatively simple transaction that involves nothing more than converting grams to pounds and ounces.

While you can rely on state-backed dispensaries, this isn’t always the case with one-on-one purchases. Let’s face it, if such a person can get away with giving you 6 grams but charging you for a quarter (7 grams), there is a chance they will do it. And by any calculations, there can be a pretty massive discrepancy when executing the conversion of a significant amount of weed (i.e. 1 pound to oz, 1 pound to grams, etc).

A quick look at the 2018 Cannabis Index explains just how much a person can save if they have a digital scale. On average, a gram of weed costs $10.76 in New York, $18.08 in Washington and $7.58 in Seattle. If you live in Washington, would you be happy to get stiffed by a gram with every transaction? That equates to $18 a time!

Put it this way, if you bought something from a store for $120, how would you react if you received a bill for $138? That’s what can happen if you don’t invest in a digital scale to measure your weed.

Conclusion: How Many Ounces in a Pound

While the imperial system says there are 453.52 grams in a pound, cannabis measurements are a little bit different. There are 16 ounces in a pound and since each ounce is 28 grams, a pound of weed weighs 448 grams.

Even if you purchase your weed from a dispensary, it is still worth investing in a digital scale, especially if you want to create homemade edibles. Every so often, calibrate your scale with a 5.0-gram nickel or a 1.0-gram paper clip.

With so many scales to choose from, though, it isn’t easy to find the right one. We recommend narrowing your choice down by considering your budget and your needs. For most people, a $10 digital pocket scale will suffice. Sellers, though, will need a large platform scale because they’ll quite frequently need to known how many oz in pound, how many pounds are in a kilo, and so on.

Whatever you do, never rely on an eye measure for an accurate measurement. While there is no danger of being ripped off in a state where weed is legal, getting it wrong could have serious repercussions when creating those hash brownies!

Need to do a quick conversion, use our Grams, Pounds and Ounces Converter

How Many Ounces In A Pound?

However you score your weed, knowing how to measure what you get is crucial and when buying weight, it’s important to know how many ounces in a pound. There’s nothing worse than buying too little, or too much. And if you’re looking into converting ounces and pounds, you’re probably interested in buying a lot. So let’s lay out the basics regarding the larger units of cannabis consumption. Exactly how many ounces in a pound?

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How Many Ounces In A Pound?

Let’s be honest, if you’re looking at picking up multiple ounces or even a pound of flower, it’s safe to assume people might suspect you’re buying for more people than yourself. Unless you’re committed to 24-hour smoking, it would be hard to keep a pound of weed fresh and potent long enough for a single human to get through.

But there are plenty of reasons for stocking up. The most practical one is cannabis cooking. If you’re planning on preparing edibles as your primary method of consumption, having a large volume of fresh weed on hand is a good thing. The same is true if you’re interested in any home-brewed concentrates.

Fortunately, the higher up the quantity scale you go, the easier the conversions become. Unlike converting grams to ounces, moving from ounces to pounds keeps you in the imperial system.

So how many ounces in a pound? It’s simple: 1 pound equals 16 ounces. Easy.

1 Pound = 16 Ounces

If you like numbers, let’s play around with our answer a little bit. The timeless, basic unit of buying and selling cannabis is the “eighth.” Dispensaries and the concentrates phenomenon are changing that in important ways. But for the most part, you’re dealing in 8ths.

An “eighth” stands for an eighth of an ounce. One ounce equals eight eighths of an ounce. Take a hit and say that eight times fast!

So another way of asking: how many ounces in a pound? How many eighths are in a pound?

If 8 8ths = 1 ounce, and 16 ounces = 1 pound, then 8 x 16 = 128 eighths in a pound. Yeah, that’s a lot of herb.

Why not go all the way? If an eighth ounce is equal (somewhat roughly) to 3.5 grams, there are 448 grams in a pound. Actually, a more accurate number is 3.5437 grams x 128, or 453.6 grams in a pound. Pretty wild how one small rounding down, compounded 128 times, makes you miss out on 5.6 grams of weed. That’s almost a quarter ounce!

Fortunately, buying in ounces and pounds means avoiding the metric to imperial conversion that requires rounding down in the first place. One pound is a full 16 ounces. Simple as that.

How To Accurately Weigh Large Amounts Of Weed

Now you know how to convert ounces to pounds of weed, and vice versa, you can calculate how many ounces in a pound of marijuana in multiple ways. You can even make the leap and convert grams to ounces if you need to. But can you put that knowledge into practice?

Weighing out ounces and pounds of weed requires a bit more know-how than just dropping a few buds into a tray on your scale. Without the proper technique, you’ll end up spilling weed everywhere.

In other words, accurately weighing larger quantities of weed is made easier with the best tools an equipment. Here are a few recommendations for weighing out ounces and pounds.

Should You Use A Scale To Figure Out How Many Ounces In A Pound?

The days of triple beam scales with calibration weight sets are more or less behind us. Now, digital scales are a dime a dozen. Picking out the best one for the situation is a matter of figuring out the resolution you need and the max capacity of the scale. If you are measuring ounces and pounds, get a larger, sturdier digital scale.

Resolution refers to how accurate a scale can measure. Most pocket digital scales have a tenth of a gram accuracy (0.1g). That’s perfect for measuring out eighths, which are 3.5 grams, and other fractions of an ounce.

Everyone’s accuracy needs vary, but for most people 0.1 grams is plenty. But if your accuracy demands are a bit higher, you’re in luck. The larger scales needed for measuring ounces and pounds consistently tend to have better resolutions. Typically, one hundredth of a gram (0.01g).

It may seem counter-intuitive that measuring larger amounts of cannabis would benefit from measurements down to 0.01-gram accuracy. But here’s the important point. Those scales are capable of that kind of accuracy because their load cells are better quality.

Digital scales convert the force of weight into an electric signal. And the cheap pocket scales most people use are kitted with cheap load cells—the part that does the conversion. They work just fine with small amounts of cannabis. And sure, most can go up to a kilo (1000g). But with heavier weights, accuracy decreases.

Larger scales with higher resolution, by contrast, tend to have better load cells that keep their accuracy with heavier weights. That’s what makes them better for weighing larger quantities of cannabis.

Use A Large Container To Weight Large Quantities Of Weed

Additionally, larger scales have bigger platforms capable of holding many ounces or pounds of weed at once. And that leads to a second important tip. Use a container or bin with high sides, so that you can stack the weed vertically as you weigh it.

For one, that keeps the weed you’re trying to measure accurately directly above the scale, ensuring it registers. Second, cannabis flower is not very dense. A pound or two of fresh flower would easily fill a one-gallon container.

And that’s another reason why higher quality scales with better load cells are a must. It’s not just the weed you are measuring, but the container itself, which can often weigh more than the weed you’re trying to measure.

So it’s critical to ensure you accurately and consistently “tare” your scale. Taring a scale means “zeroing” it out. Basically, the scale does the math for you, subtracting the weight of the container on top of it from the weed therein.

You can even take the container off the scale. You’ll notice the display reads a negative amount, with a “minus” sign in front of the weight, indicating how heavy your container is. If you don’t use a large sturdy container, get used to dumping your stash all over the table.

Can You Measure Weed By Eye?

If you’ve spent some time measuring weed, it’s natural that you’d have a sense of how much an ounce or pound of cannabis is by sight and it is tough to measure how many ounces in a pound. But there are a few challenges awaiting anyone trying to measure ounces or pounds by eye.

In the first place, cannabis flowers can vary significantly by density. This means that an ounce of stocky dense indica buds could take up half the space of an ounce of wispy sativa. Additionally, the water content of strains can vary widely. So it’s best to avoid measuring large quantities of weed without some kind of scale.

Final Hit: How Many Ounces In A Pound?

Now you know how to convert ounces of weed to pounds and, importantly, converting to grams. That last conversion will be crucial for using a good digital scale to accurately measure your weed.

So just remember, a pound of cannabis is about 450 grams. An oz, roughly 28 grams, so know you know how many grams in an ounce as well.

You might be able to measure quantities that high on your pocket digital scale. But the scale platform isn’t big enough for an accurate measurement. Get a good scale with a high-walled container, and you’ll be set!