Influences on Soil Nitrogen Mineralization: Implications for Soil Resto

Influences on Soil due north Mineralization Implications for Soil Restoration and Revegetation cornerstoneNitrogen is a macronutrient essential to the growth of plants and is withal one of the roughly deficient nutrients in most cracks. Insufficient levels of available soil atomic number 7 limit microbial growth and decomposition reaction and growth of the plants themselves. Because site disquiet adversely affects the scat of nitrogen through soil-plant-microbial arrangings, the re-establishment of the cycle of nitrogen flow in the soil is crucial to revegetation attempts. Mineralizable nitrogen--nitrogen in forms readily usable by plants--is dependent upon a number of factors. According to Stanford and Smith (1972), those factors include soil moisture, pH level, temperature, microbial biomass, and tots of other nutrients. Three of the more significant and relate influences--microbial biomass, temperature, and moisture--are discussed here. This is certainly not an exhausti ve list of factors influencing soil nitrogen mineralization, solely instead, a general overview of the more significant 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 quit 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 matter impart result in the absorption of ammonium and nitrate by the microbes. An excessiveness of N will satisfy the requirements of the microbes and provide a surplus 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. Relationship amid 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 timberland 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.