Influences on Soil Nitrogen Mineralization: Implications for Soil Resto

Influences on terra firma nitrogen Mineralization Implications for daub income tax return and RevegetationIntroductionNitrogen is a macronutrient essential to the growth of plants and is also wiz of the most deficient nutrients in most terra firmas. Insufficient levels of available brand north limit microbial growth and decay and growth of the plants themselves. Because berth disturbance adversely affects the flow of nitrogen through crack-plant-microbial systems, the re-establishment of the cycle of nitrogen flow in the soil is crucial to revegetation attempts. Mineralizable nitrogen--nitrogen in forms readily working(a) by plants--is subject upon a number of factors. According to Stanford and Smith (1972), those factors take on soil moisture, pH level, temperature, microbial biomass, and amounts of other nutrients. Three of the more of import and interrelated influences--microbial biomass, temperature, and moisture--are discussed here. This is certainly not an exhaus tive list of factors influencing soil nitrogen mineralization, but instead, a general overview of the more signifi merchantmant considerations. microbial ProcessesMicrobial decay of organic material is the main release process of soil nitrogen. Nitrogen is released from microbial decay in the form of ammonium, but can also be immobilized by microbes which take up nitrate and ammonium to satisfy their own requirements. The mobilization or immobilization of nitrogen is dependent upon the amount of N the decomposing material itself provides insufficient nitrogen released from decaying organic reckon will result in the absorption of ammonium and nitrate by the microbes. An excess of N will satisfy the requirements of the microbes and provide a bare to be released into the soil... ...6-100.Campbell, C.A., V.O. Biederbeck, and F.G. Warder. 1971. Influence of simulated fall and spring conditions on the soil system Effect on soil nitrogen. Soil Sci. Soc. Am. J. 35480-483.Cassman, K.G., and D.N. Munns. 1980. Nitrogen mineralization as affected by soil moisture, temperature, and depth. Soil Sci. Soc. Am. J. 441233-1237.Myrold, David D. 1987. consanguinity between microbial biomass nitrogen and a nitrogen availability index. Soil Sci. Soc. Am. J. 511047-1049.Powers, Robert F. 1980. Mineralizable soil nitrogen as an index of nitrogen availability to forest trees. Soil Sci. Soc. Am. J. 441314-1320.Singer, Michael J. and Donald N. Munns, 1986, Soils An Introduction New Jersey, Prentice-Hall, Inc., 480 p.Stanford, George and S.J. Smith. 1972. Nitrogen mineralization potentials of soils. Soil Sci. Soc. Amer. Proc. 36465-472.