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This factsheet explains the three factors of proper swine manure management: the nutrient content of the manure, the percentages of those nutrients that are available to the plant and the nutrient requirements of the plant.
This factsheet describes the nutrient composition of poultry manure and land application techniques based on matching the nutritional requirements of the crop with the nutrients available in manure. This publication also includes a worksheet to determine the nutrient needs of your crop.
This publication for lagoon managers and operators describes how to carry out a sludge survey and discusses sludge depth measurement, volume determination, and nutrient sampling. It draws upon and supplements the information in another publication on sludge management in anaerobic lagoons: Sludge Management and Closure Procedures for Anaerobic Lagoons (AG-604).
Anaerobic swine lagoon sludge sampling allows operators to determine the nutrient concentration in the sludge through laboratory analysis. This publication provides information about different options for sampling sludge in these lagoons.