【摘要】 本文结合国内外文献资料,介绍了土壤N素的矿化、硝化和反硝化作用这3个主要转化过程及其氨挥发、反硝化损失和淋洗损失这3个损失途径,其主要目的是探讨菜地土壤N素转化过程和损失途径与粮田土壤的差异。更多还原

【Abstract】 This paper reviewed achievements in the research on nitrogen transformation (nitrogen mineralization, nitrification, denitrification) and pathways of fertilizer nitrogen loss (ammonia volatilization, denitrification and leaching) in soils. Its main purpose is to discuss difference between soils grown with vegetables and grain crops in nitrogen transformation and pathways of nitrogen loss.更多还原