ADVANTAGE AND DISADVANTAGED OF MANURES
Answers
Explanation:
ADVANTAGE OF MANURES
Increases soil carbon and reduces atmospheric carbon levels
Reduces soil erosion and runoff
Reduces nitrate leaching from the soil
Recycles animal manures in a sustainable way
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DISADVANTAGED OF MANURES
Bulk, and distributing it is difficult.
Soil damage by heavy vehicles
Labour intensive
Low concentration of N,P,K and other elements. You need toone/acre to give the same effect as kilos.
Issues with pig manure and copper content for ruminants. Ruminants do not tolerate Cu well anmd it is a porcine growth promoter.
Zoonotic health risks (Look it up.) Includes bacterial and parasitic organisms.
Smell. Really offends neighbouring people
Run off and water contamination often leading to eutrophication, and fish poisioning
Controlling application rates is difficult to impossible with manure, but in most cases, the nutrients are released slowly enough that it does not cause problems. If large amounts of fresh poultry manure are applied to already fertile soil, there may be enough nitrogen to damage the roots of young plants.