Agriculture and the Nitrogen Cycle Essay

husbandry is an important industry that provides food for piece consumption. The decrease of land available for cultivation coupled with the increase of human tribe has required that boorish lands increase their output. This was achieved through with(predicate) the use of improved crop varieties, more(prenominal) productive livestock, better weed and expletive control and the increased use of fertilisers, specifically north fertilizers which has linearly increased to 1. 2 Mt in the 1980s. However, farming in addition affects the environment.Increases in phosphorus and nitrate limit of water lead to increased biologic activity and humongous concentrations of nitrate in drinking water create health hazards. J. K. R. Gasser studied the normality cycles in agribusiness and describe the results in his article rustic Productivity and the Nitrogen Cycle. Gasser (1982) explained that nitrogen is emitted from the discoloration or from wolf effluents as ammonia, nitric ox ide or N2. Considerable amounts of nitrogen are also recycled directly as animal urine and feces. The preceding crops in agricultural lands also affect the amount of nitrogen released for the current crops.However, Gasser (1982) explained that no arable dodge provides enough nitrogen for the maximum ware of crops such that additional nitrogen moldiness be added in the form of fertilizers. Gasser (1982) reported that there is no evidence financial support that the increased use of nitrogen fertilizer also increases the total amount of nitrogen in soil-plant system. He stated that shrimpy of the nitrogen in circulation will come along directly in the atmosphere or groundwaters, most will leave the agricultural system after one or more changes or subsidiary cycles (Gasser, 1982, 313).Gasser (1982) reason that the losings from the system must be at least as large as the known inputs. He persuaded to measure out the movement of nitrogen, the understanding of which would allow the losses from agricultural system to be minimize improving the utilization of nitrogen in farming and reducing its effects on the atmosphere and water.Reference Gasser, J. K. R. (1982). Agricultural productiveness and the nitrogen cycle. Philosophical Transactions of the lofty Society B (Biological Science) vol. 296, no. 1082, 303-314.