Seed prices have drastically increased over the last few years. The development of transgenic hybrids and also the associated an innovation fees has driven the expense of hybrid seed come the greatest prices ever seen. It is not unheard of because that seed that high-performing premium hybrids to cost $160-$180 per bag, conversely, 10 years ago, premium seed would certainly run about $80-$100 every bag. Gaining a manage on what the true worth of a transgenic hybrid way to farm yard profitability is challenging.

In addition, this year farmers are concerned about the price of every inputs because that production. High power prices have increased fertilizer price and there is concern about gasoline/diesel/LP for field operations and also grain dry after harvest. Minimizing field operations (especially relocating towards no-till), early on planting date, and appropriate hybrid maturity an option are management alternatives that reduce power costs. Because that a conversation on optimum hybrid maturity in Wisconsin see:

The underlying ideology of the complying with guidelines is to maximize grower return to plant thickness as particle costs continue to increase. These guidelines space based upon research data accumulated in Wisconsin end the last 5 years and aid growers change their tree densities and maintain or enhance farm profitability depending upon their farm yard situation. Not only has the economics of seed expense been changing, but the yield response of to plant thickness has been enhancing over time. Yet ultimately, optimum plant thickness is influenced by both particle cost and price.

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placing a worth on particle is fairly easy in that the price of seeds is recognized at the moment of purchase and also the amount used is known after a field is planted. The realistic value of grain will vary relying on the producer�s ability in marketing the grain. serial that will certainly be offered on farm as livestock feed have to be valued in ~ the price that would price to acquisition if feedstocks run short.

Table 1 explains price ratios for seed expenses ranging indigenous $40 to $220 every bag and prices ranging from $1.00 come $3.50/ bu. Together seed prices increase and/or price decrease the price proportion increases. Conversely, together seed expense decreases and/or price rises the price proportion decreases. Currently, most price ratios variety from 0.33 to 1.50. Because that example, the seed: price proportion at $2.00/bu ranges from 0.50 come 1.13 because that $80 to $160 every bag that seed.

because that a price proportion of 1.0, the financial optimum plant thickness (EOPD) is 33,000 plants/A and grower return is in ~ a best of $159/A for each $1.00 of price (Figure 1). If $1.00 is subtracted indigenous the preferably grower return ($159 - $1 = $158), the range in plant thickness is 29,500 to 36,600 plants/A (error bars). As price increases, grower return increases proportionally, yet the EOPD the each ratio does no change. Because that example, if the price ratio is 1.0, the EOPD is 33,000 plants/A causing a grower return that $159/A at a $1.00 price. If the price = $2.50 then grower return = $159 x $2.50 = $398/A.

as seed costs increase and/or price decrease, the optimum harvest plant density decreases, (i.e. EOPD for proportion of 1.50 = 29,800 plants/A). As seed cost decreases and/or price increases (ratio = 0.50) the EOPD increases to 36,200 plants every acre. If seed cost is not taken into consideration (ratio = 0.0), climate the EOPD approximates yield and also is 39,400 plants/A.

Guidelines for picking an ideal plant thickness for

1. Currently, price ratios variety from 0.33 come 1.50.

2. The EOPD for price ratios between 0.5 and 1.5 is 29,800 to 36,200 plants/A. The plant density of 32,700 plants/A is within $1.00 the the EOPD for ratios in between 0.5 and also 1.5.

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3. Grain yield proceeds to rise through tree densities the 39,400 plants/A.

4. In general, silage yield continues to boost as plant thickness increases. However, a trade-off exists as measured by Milk2000 where quality decreases with raising population. Thus, the EOPD is the very same for grown because that silage or grain. silage is often an ext valuable than grain and also so the EOPD follows an ext closely price ratios less than 1.0.

Table 1. Price ratio of (i.e. $/1000 seeds � $/bu
Price of seeds Price that ($/bu)
$/80 K bag $/1000 seed $1.00 $1.50 $2.00 $2.50 $3.00 $3.50
$40 $0.50 0.50 0.33 0.25 0.20 0.17 0.14
$60 $0.75 0.75 0.50 0.38 0.30 0.25 0.21
$80 $1.00 1.00 0.67 0.50 0.40 0.33 0.29
$100 $1.25 1.25 0.83 0.63 0.50 0.42 0.36
$120 $1.50 1.50 1.00 0.75 0.60 0.50 0.43
$140 $1.75 1.75 1.17 0.88 0.70 0.58 0.50
$160 $2.00 2.00 1.33 1.00 0.80 0.67 0.57
$180 $2.25 2.25 1.50 1.13 0.90 0.75 0.64
$200 $2.50 2.50 1.67 1.25 1.00 0.83 0.71
$220 $2.75 2.75 1.83 1.38 1.10 0.92 0.79