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Study Challenges Soil Testing For K, Value Of KCl

November 1, 2013 | Posted in Nutrient Management

In the chemical age of agriculture that began in the 1960s, potassium chloride (KCl), the common salt often referred to as potash, is widely used as a major fertilizer in the Corn Belt without regard to the huge soil reserves that were once recognized for their fundamental importance to soil fertility.

High Nitrogen Rates Increase Micronutrient Uptake, Storage In Corn

November 1, 2013 | Posted in Nutrient Management

A Purdue University study shows that high-yielding, modern corn hybrids take up not only more nitrogen from soil but more micronutrients such as zinc, iron, manganese and copper. Nitrogen fertilizer rates also influence how much of these nutrients are stored in the grain at harvest.

Fall Nitrogen Recommendations For Winter Wheat

October 25, 2013 | Posted in Nutrient Management

Fall-seeded wheat generally does not require N fertilizer for establishment. Fall-applied N or pre-plant N can aid in the establishment of wheat under specific planting conditions and crop rotations, but should be managed on a case-by-case basis

Update To Iowa Phosphorus, Potassium And Lime Recommendations

October 11, 2013 | Posted in Nutrient Management

Source: By Antonio P. Mallarino and John E. Sawyer, Iowa State University Department of Agronomy

This article highlights revisions to Iowa State University (ISU) soil-test interpretations and application guidelines for phosphorus (P), potassium (K) and lime in an update of extension publication PM 1688 "A General Guide for Crop Nutrient and Limestone Recommendations in Iowa."

Choosing Covers To Maximize Your No-Till Nitrogen Payback

Cover crops can prevent nitrogen losses during winter fallow, but no-tillers should be mindful of how carbon-to-nitrogen ratios in residue affects what’s available for the next crop.

By Laura Barrera posted on October 1, 2013 | Posted in Cover Crops, Nutrient Management

Just because corn and soybeans have been harvested doesn’t mean it’s time for no-tillers to stop worrying about nutrient management.

Get More From Your Nitrogen With Late-Season Stalk Tests

Lessons learned from measuring nitrates as corn reaches physiological maturity can help no-tillers improve nitrogen management and the farm’s bottom line.

By John Dobberstein posted on October 1, 2013 | Posted in Nutrient Management

No-tillers wanting to get a better handle on how efficiently they’re using nitrogen on corn acres should consider late-season corn-stalk nitrate sampling programs, including one offered by the Iowa Soybean Association On-Farm Network.

‘Fencerow Farming’ Can Lead To Higher Yields, Better Soil Health

Dean Glenney’s 18 years of no-tilling attracted beneficial bacteria and increased his supply of ‘free’ fertilizer, creating record-breaking no-till corn yields in Ontario.

By Laura Barrera posted on October 1, 2013 | Posted in Nutrient Management, Soil Health

In Haldimand County, Ontario, about 40 miles west of Buffalo, N.Y., Dean Glenney is breaking records.

What To Consider Before Liming

September 25, 2013 | Posted in Nutrient Management

Fall is an excellent time to test soil pH and determine whether any lime needs to be applied for future crops. Proper soil pH is important for nutrient availability, herbicide activity, and crop development. For most soils, additional lime is not needed every year. Consider these points before liming your fields:

South America Focuses On Soil Quality

September 25, 2013 | Posted in Nutrient Management

After 30 years of rapidly expanding agriculture, South America is turning its focus from developing new fields to taking better care of those already in production. Victor Trucco remembers his father saying that soybeans would never be grown in their area. Yet Trucco became the first person to grow soybeans not long after he returned to the home farm in the mid-1960s.

BioNitrogen Corporation Granted U.S. Patent for Biomass-to-Urea Technology

September 19, 2013 | Posted in Nutrient Management

BioNitrogen Corporation (PINKSHEETS: BION), a cleantech company that utilizes exclusive technology to build environmentally-friendly plants that convert agriculture and forestry biomass into urea fertilizer, announced today that the patent for its biomass-to-urea technology has been approved by the U.S. Patent and Trademark Office. The patented technology will be used in BioNitrogenâ€™s plants.

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