NC State Extension Publications Numbered Publications, Factsheets, Hard Copy Documents, Authoritative Sources & more …

Browse by Author: J.C. Barker
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Center Pivot and Linear Move Irrigation System

By: Robert Evans, J.C. Barker, Jonathan Smith, R.E. Sheffield Field Calibration Procedures for Animal Wastewater Irrigation Equipment

This publication contains step-by-step guidelines for field calibration of center pivot and linear move irrigation systems. Proper calibration is required by law.

Dairy Manure as a Fertilizer Source

By: Joe Zublena, J.C. Barker, D. Wesen SoilFacts

This factsheet explains how to use dairy manure as a fertilizer source. Included are descriptions of nutrient content, application rates and application methods to ensure optimum benefit from the manure. A worksheet is provided for calculating application rates.

Load-Area Method Spreader System

By: Robert Evans, J.C. Barker, David Crouse Field Calibration Procedures for Semi-Solid Animal Waste Application Equipment

This publication explains the load-area method, one of the two methods in which semi-solid animal waste applicators can be calibrated. Proper calibration is required by law.

Weight-Area Method Spreader System

By: Robert Evans, J.C. Barker, David Crouse Field Calibration Procedures for Solid and Semi-Solid Animal Waste Application Equipment

This publication explains the weight-area method, one of the two methods in which solid or semi-solid applicators can be calibrated. Proper calibration is required by law.

Permit Guidelines for Application of Municipal Sludge on Agricultural Lands

By: Albert Rubin, Joe Zublena, J.C. Barker SoilFacts

This publication describes the permit guidelines for applying municipal sludge to agricultural lands to make use of its nutrients and prevent pollution. It also covers EPA recommendations for applying sludge.