黄潮土的土壤水渗漏及硝态氮淋溶研究

Abstract

Abstract: The experiment to analyze quantitatively soil water deep drainage and nitrate leaching in fluvo-aquic soil was conducted by means of the water balance model.The experiment site,one hm ² in size was located in a piece of farmland under a rotation system of corn and wheat in the Huanghe-Huaihe-Haihe Plain.The results indicate that the volumes of soil water deep drainage and nitrate leaching are great,reaching 273.9 mm,about 60.6% of the water irrigated,and the leaching of nitrate N reaching 81.8 kg·hm^-2,about 15.7% of the total N applied.

Key words: fluvo-aquic soil, soil water, deep drainage, nitrate N, leaching

CLC Number:

S152.7

ZHU An-Ning, ZHANG Jia-Bao. Soil water deep drainage and nitrate leaching in fluvo-aquic soil[J]. Journal of Ecology and Rural Environment, 2003, 19(1): 27-30.

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Soil water deep drainage and nitrate leaching in fluvo-aquic soil

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