Soils and Nutrient Soils and Nutrient ManagementManagement

Chapter 16Chapter 16

Nutrient ManagementNutrient ManagementA. BackgroundA. Background

B. Nutrient NeedB. Nutrient Need

C. Nutrient Sources C. Nutrient Sources

D. Composition of Organic SourcesD. Composition of Organic Sources

E. Nutrient CyclingE. Nutrient Cycling

F. Goals of Nutrient ManagementF. Goals of Nutrient Management

G. Examples of Best Management StrategiesG. Examples of Best Management Strategies

H. Calculating Available NutrientsH. Calculating Available Nutrients

Nutrient ManagementNutrient ManagementA. Background

B. Nutrient NeedB. Nutrient Need

C. Nutrient Sources C. Nutrient Sources

D. Composition of Organic SourcesD. Composition of Organic Sources

E. Nutrient CyclingE. Nutrient Cycling

F. Goals of Nutrient ManagementF. Goals of Nutrient Management

G. Examples of Best Management StrategiesG. Examples of Best Management Strategies

H. Calculating Available NutrientsH. Calculating Available Nutrients

Nutrient ManagementNutrient ManagementA. BackgroundA. BackgroundB. Nutrient Need

C. Nutrient Sources C. Nutrient Sources

D. Composition of Organic SourcesD. Composition of Organic Sources

E. Nutrient CyclingE. Nutrient Cycling

F. Goals of Nutrient ManagementF. Goals of Nutrient Management

G. Examples of Best Management StrategiesG. Examples of Best Management Strategies

H. Calculating Available NutrientsH. Calculating Available Nutrients

Singer and Munns, 2006Soils: An Introduction, 6th ed.

A) Alfalfa with K deficiency

A B) Onions on right have Zn deficiency

B

B. Nutrient NeedB. Nutrient Need

Nutrient ManagementNutrient ManagementA. BackgroundA. Background

B. Nutrient NeedB. Nutrient NeedC. Nutrient Sources

1. Soil2. Inorganic fertilizers3. Organic fertilizers

D. Composition of Organic SourcesD. Composition of Organic Sources

E. Nutrient CyclingE. Nutrient Cycling

F. Goals of Nutrient ManagementF. Goals of Nutrient Management

G. Examples of Best Management StrategiesG. Examples of Best Management Strategies

H. Calculating Available NutrientsH. Calculating Available Nutrients

1. Soil 3. Organic Fertilizer

CompostCompost

BiosolidsBiosolids2. Inorganic FertilizerManureManure

Nutrient ManagementNutrient ManagementA. BackgroundA. Background

B. Nutrient NeedB. Nutrient Need

C. Nutrient Sources C. Nutrient Sources D. Composition of Organic Sources

E. Nutrient CyclingE. Nutrient Cycling

F. Goals of Nutrient ManagementF. Goals of Nutrient Management

G. Examples of Best Management StrategiesG. Examples of Best Management Strategies

H. Calculating Available NutrientsH. Calculating Available Nutrients

D. Composition of Organic SourcesD. Composition of Organic Sources

Nutrient and Pest Management Program, UW Extension Publication A3580: http://ipcm.wisc.edu

LivestockLivestock --Nitrogen (N)----Nitrogen (N)-- PhosphatePhosphate PotashPotashSurfaceSurface Incorpor-Incorpor-

atedated(P(P22OO55)) (K(K22O)O)

---Solid Manure---

---lbs/ton------lbs/ton---

DairyDairy 33 44 33 77

BeefBeef 33 55 55 99

SwineSwine 77 99 66 77

ChickenChicken 2020 2424 3030 2424

Note: Manure supplies approximately equal amounts of N and P.

Nutrient ManagementNutrient ManagementA. BackgroundA. Background

B. Nutrient NeedB. Nutrient Need

C. Nutrient Sources C. Nutrient Sources

D. Composition of Organic SourcesD. Composition of Organic SourcesE. Nutrient Cycling

F. Goals of Nutrient ManagementF. Goals of Nutrient Management

G. Examples of Best Management StrategiesG. Examples of Best Management Strategies

H. Calculating Available NutrientsH. Calculating Available Nutrients

Nutrient ManagementNutrient ManagementA. BackgroundA. BackgroundB. Nutrient NeedB. Nutrient NeedC. Nutrient Sources C. Nutrient Sources D. Composition of Organic SourcesD. Composition of Organic SourcesE. Nutrient CyclingE. Nutrient CyclingF. Goals of Nutrient Management

1. Cost effective production2. Conservation of resources3. Maintenance of soil quality4. Protection of environment beyond

soilG. Examples of Best Management StrategiesG. Examples of Best Management StrategiesH. Calculating Available NutrientsH. Calculating Available Nutrients

Nutrient ManagementNutrient ManagementA. BackgroundA. Background

B. Nutrient NeedB. Nutrient Need

C. Nutrient Sources C. Nutrient Sources

D. Composition of Organic SourcesD. Composition of Organic Sources

E. Nutrient CyclingE. Nutrient Cycling

F. Goals of Nutrient ManagementF. Goals of Nutrient ManagementG. Examples of Best Management Strategies

1. Buffer strips2. Cover crops3. Conservation tillage4. P-based NM5. Timing of applications6. BALANCE: INPUTS=EXPORTS7. Soil Testing

H. Calculating Available NutrientsH. Calculating Available Nutrients

Nutrient ManagementNutrient ManagementA. BackgroundA. Background

B. Nutrient NeedB. Nutrient Need

C. Nutrient Sources C. Nutrient Sources

D. Composition of Organic SourcesD. Composition of Organic Sources

E. Nutrient CyclingE. Nutrient Cycling

F. Goals of Nutrient ManagementF. Goals of Nutrient Management

G. Examples of Best Management StrategiesG. Examples of Best Management StrategiesH. Calculating Available Nutrients