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I need some assistance with these assignment. effects tillage system, fertilization and crop protection practices on soil quality parameters Thank you in advance for the help! It participates in the C, N, P and S transformations and plays a significant task in the decomposition of xenobiotic organic compounds and the formation of the soil structure. Microbial biomass, C and N and their ratios to the total and light fraction C and N and pools in soils of the organic systems are higher in organic systems than in conventional systems due to the enhanced decomposition of the easily available pool of soil organic matter (SOM) with increasing microbial biomass levels. The higher levels of light fraction organic matter in organically managed soils are from plant residues and manure. The higher microbial biomass in organically managed soils indicates higher quality soil organic matter responsible to nutrient mineralization and short term storage of potentially leachable nutrients indicating comparative advantage of organically managed systems over conventional ones.