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Soils and Nutrient Management Chapter 16. Nutrient Management A. Background B. Nutrient Need C. Nutrient Sources D. Composition of Organic Sources E.

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Presentation on theme: "Soils and Nutrient Management Chapter 16. Nutrient Management A. Background B. Nutrient Need C. Nutrient Sources D. Composition of Organic Sources E."— Presentation transcript:

1 Soils and Nutrient Management Chapter 16

2 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 H. Calculating Available Nutrients

3 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 H. Calculating Available Nutrients

4 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 H. Calculating Available Nutrients

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

6 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

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

8 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 H. Calculating Available Nutrients

9 D. Composition of Organic Sources Nutrient and Pest Management Program, UW Extension Publication A3580: http://ipcm.wisc.edu Livestock --Nitrogen (N)-- PhosphatePotash SurfaceIncorpor-ated (P 2 O 5 ) (K 2 O) ---Solid Manure--- ---lbs/ton--- Dairy3437 Beef3559 Swine7967 Chicken20243024 Note: Manure supplies approximately equal amounts of N and P.

10 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 H. Calculating Available Nutrients

11 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

12 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

13 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 H. Calculating Available Nutrients

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