Hold off on applying fall fertilizer | Agriculture | whig.com


Favorable climate has helped push Illinois harvest progress properly forward of regular, prompting farmers To imagine about making use of fall fertilizers early after fields are clear.

However College of Illinois specialists say soils are nonethemuch less too warmth for protected, efficient fall fertilizer software.

The untypically warmth Start to fall has triggered soil temperatures throughout the state To primarytain 5 to 10 levels hotter than common for this time of yr, said Illinois State Climatologist Trent Ford with the Illinois State Water Survey.

Measurements at ISWS Water and Atmospheric Assets Monitoring Program websites current 4-inch soil temperatures beneath sod have reprimaryed Inside the extreme 60s to low 70s throughout the state.

Given these warmth soil temperatures, farmers ought to primarytain off on fall fertilizer and manure softwares for A minimal of two or three weeks since They’re typically much less efficient And might harm the environment.

The primary considerations, U of I Extension environment and power stewardship educator Jay Solomon said, are Lack of utilized dietary vitamins and potential environmental impacts.

“The push for software Might Even be to empty manure storages. Neverthemuch less, these warmth air and soil temperatures can enhance the potential for odor complaints,” Solomon said. “The nitrogen volatilized off as ammonia gasoline Is usually A critical factor of the odor produced all by way of software. Maintaining the nitrogen in completely different types prolongeder advantages each the crop and the environment.”

The Illinois Agronomy Handbook recommends not making use of fall fertilizers till the Daily most naked soil temperature at 4 inches is under 50 levels. Above this temperature, The velocity of nitrification will enhance significantly in soils. This chemical change will enhance The hazard of nitrogen losses by way of gasoline emissions and leaching with soil water movement earlier than spring crop planting. On common, the final day with most 4-inch soil temperatures above 50 levels is round Nov. 1.

Farmers Might Even be involved Regarding the potential of much less-than-favorable climate for fertilizer software later Inside the season. However Ford said forecasts don’t current any indicators of the potential for problematic climate Inside The subsequent few weeks.

“Both prolonged-differ forecasts and outlooks are leaning To close to above regular temperatures A minimal of by way of the final week of October,” Ford said. “As properly as, forecasts Do not current any indication of persistently moist circumstances for the second half of October.”

Present soil temperatures throughout Illinois Can be found on-line by way of the State Water Survey’s Water and Atmospheric Assets Monitoring Program at isws.illinois.edu/warmth/soil.

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