Start Date

1-12-2010 12:00 AM

Description

Appropriate poultry manure management is essential to ensure maximum crop nitrogen (N) utilization and reduce risk of negative environmental impact. Poultry manure sources can provide a significant supply of nutrients for corn (Zea mays L.) production. While the main focus is usually on N and phosphorus (P), poultry manure is also an excellent source of other nutrients like potassium (K) as well as secondary and micronutrients where needed (Brock et al., 2006). Field application is typically based on P due to high concentration relative to N in the manure, and application may be limited to avoid over application of P. However, concerns exist about possible N application at rates higher than needed for corn with potential for contamination of water bodies due to leaching or runoff of excess N.

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Dec 1st, 12:00 AM

Managing poultry manure nitrogen for optimum corn yields and minimum environmental loss

Appropriate poultry manure management is essential to ensure maximum crop nitrogen (N) utilization and reduce risk of negative environmental impact. Poultry manure sources can provide a significant supply of nutrients for corn (Zea mays L.) production. While the main focus is usually on N and phosphorus (P), poultry manure is also an excellent source of other nutrients like potassium (K) as well as secondary and micronutrients where needed (Brock et al., 2006). Field application is typically based on P due to high concentration relative to N in the manure, and application may be limited to avoid over application of P. However, concerns exist about possible N application at rates higher than needed for corn with potential for contamination of water bodies due to leaching or runoff of excess N.

 

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