Soils and Nutrient Management Chapter 16 Nutrient Management

Nutrient Management A. Background B. Nutrient Need C. Nutrient Sources D. Composition of Organic

B. Nutrient Need B A B) Onions on right have Zn deficiency A) Alfalfa

Nutrient Management A. Background B. Nutrient Need C. Nutrient Sources 1. Soil 2. Inorganic

Compost 1. Soil 2. Inorganic Fertilizer 3. Organic Fertilizer Manure Biosolids

D. Composition of Organic Sources Livestock --Nitrogen (N)-Surface Incorpor-ated Phosphate Potash (P 2 O

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Soils and Nutrient Management Chapter 16

B. Nutrient Need B A B) Onions on right have Zn deficiency A) Alfalfa with K deficiency Singer and Munns, 2006 Soils: An Introduction, 6 th ed.

Nutrient Management A. Background B. Nutrient Need C. Nutrient Sources 1. Soil 2. Inorganic fertilizers 3. Organic fertilizers D. Composition of Organic Sources E. Nutrient Cycling F. Goals of Nutrient Management G. Examples of Best Management Strategies H. Calculating Available Nutrients

Compost 1. Soil 2. Inorganic Fertilizer 3. Organic Fertilizer Manure Biosolids

D. Composition of Organic Sources Livestock --Nitrogen (N)-Surface Incorpor-ated Phosphate Potash (P 2 O 5) (K 2 O) ---Solid Manure-----lbs/ton--- Dairy 3 4 3 7 Beef 3 5 5 9 Swine 7 9 6 7 Chicken 20 24 30 24 Note: Manure supplies approximately equal amounts of N and P. Nutrient and Pest Management Program, UW Extension Publication A 3580: http: //ipcm. wisc. edu

Nutrient Management A. Background B. Nutrient Need C. Nutrient Sources D. Composition of Organic Sources E. Nutrient Cycling F. Goals of Nutrient Management 1. Cost effective production 2. Conservation of resources 3. Maintenance of soil quality 4. Protection of environment beyond soil G. Examples of Best Management Strategies H. Calculating Available Nutrients

Nutrient Management A. Background B. Nutrient Need C. Nutrient Sources D. Composition of Organic Sources E. Nutrient Cycling F. Goals of Nutrient Management G. Examples of Best Management Strategies 1. Buffer strips 2. Cover crops 3. Conservation tillage 4. P-based NM 5. Timing of applications 6. BALANCE: INPUTS=EXPORTS 7. Soil Testing H. Calculating Available Nutrients