Using Animal Manure and Wastewater for Crops and Pastures - Know and Take Credit for Your N,P, and K.


When managed properly, irrigation of crops with effluent reduces a producer’s reliance on commercial fertilizers and helps protect surface and groundwater quality. To use effluent efficiently while avoiding over irrigating it on crop and pasture land, producers must know:

  • The N, P and K needs of the crop, based on a realistic goal for yields.
  • The N, P and K in the soil available to the plants before irrigation.
  • The amounts of N, P and K in the effluent that will be irrigated.

This Texas Agrilife publication tells you how.

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