Influence of the application of conversion biomass to Shimajiri-maji soil on vegetable growth, soil physical and chemical properties
2005
Chen, Y.(National Inst. for Rural Engineering, Tsukuba, Ibaraki (Japan)) | Shinogi, Y.
This study dealt with the influence of the conversion biomass application to Shimajiri-maji soil on vegetable growth and soil physical and chemical properties. Two kinds of carbon products, cattle waste and strained lees of sugarcane (Bagasse), were mixed into the Shimajiri-maji soil. Change in concentration of nitrate nitrogen in percolating water, soil permeability and available soil moisture were observed. In crop growth experiment, two kinds of by-products of methane fermentation and two kind carbon products were mixed into Shimajiri-maji soil with different ratio. The difference of the concentration of nitrate nitrogen in percolating water and vegetable growth in each pot were clarified. The results indicated that Shimajiri-maji soil mixed with carbon products, although there was no remarkably change in water permeability, available soil moisture increased. Moreover, the concentration of nitrate nitrogen in percolating water decreased. It was concluded that nitrate nitrogen was denitrified, and ammonium nitrogen have been adsorbed by carbon products. It became clear that by-products of methane fermentation were effective as ammonium sulfate in fertilizer response.
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