Year after year, fertilizer is the big gorilla in the room when it comes to farm expenditures. In 2014, the readers of No-Till Farmer spent an average of $85,513 per farm to feed their crops — far outpacing the average of $69,732 spent on average, per farm, for land rent.
Check soil pH, phosphorus and potassium levels, organic matter, cation exchange capacity and base saturation on soil test analysis, says AgSource Laboratories.
Senate Bill 1 includes a number of new rules designed to reduce the phosphorus runoff that has resulted in toxic algal blooms in Lake Erie's western basin in recent years.
Fertilizer phosphorus added beyond a crop’s yearly needs can remain in the soil, and can become more tightly bound to soil than recently added fertilizer. Not much is known about the availability of “residual phosphorus” or “legacy phosphorus” to plants.
With the first cutting of alfalfa nearing, the University of Arkansas Extension recommends no-tillers apply nutrients soon, especially phosphorus and potassium.
Asgrow/Dekalb technical agronomist Lance Tarochione says soybeans remove a lot more nutrients than no-tillers realize, and meeting their fertility needs is key to higher yields.
The University of Florida IFAS Extension recommends considering the cost of the lime, its calcium carbonate equivalent and spreading rates when choosing a lime source.
Providing enough nitrogen, phosphorus and potassium are crucial for high corn yields, but in order to really maximize production, these nutrients need to be in the proper ratios.
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No-Till Living Legend and 2024 Conservation Ag Operator Fellow Ray McCormick shows the downstream impact of water and soil cascading from tilled fields in Vincennes, Ind.
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