淋失是一种自然过程,它引起土壤中营养元素的大量损失。土壤中的养分被水带走
半干旱地区农田生态系统中硝态氮的淋失_医网打尽文献搜索 关键词 硝态氮 淋失 半干旱地区 [gap=769]Key words Nitrate nitrogen,Leaching loss, Semiarid area.
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We can increase the adsorbed and fixed function of NH_4~+ through put SARs in soil, and decrease the eluviation lose of nitrogen。
8、在土壤中加入高吸水性树脂可以增加土壤对铵离子的吸持作用,减少氮素的淋失。
参考来源 - 高吸水性树脂与铵离子间的相互作用研究The one of field test presented the biomass occurred as a sequence of Control area > Lightly polluted area > Heavily polluted area. The leaching loss of nitrate nitrogen in the soil was influenced by the fertilizer and acid rainfall.
混合肥处理结果表明，有机肥的施用在一定程度上可以抑制强酸性降雨对土壤硝态氮淋失的影响，起到保持土壤肥力的作用。
参考来源 - 紫色土—作物系统对酸雨的响应与机理研究This study takes "source control" as fundamental point,adopt laboratory simulating and field experiments,research the effects of PAM application on the nitrogen\'s move and eluviation in the Three Gorges purple sloping field.
本研究以“源头控制”为基本出发点,采用室内模拟试验和田间小区试验等相结合的研究手段,系统的研究PAM对三峡库区紫色土坡地氮素迁移淋失的影响。
参考来源 - PAM对紫色土坡地氮素迁移淋失的控制效应·2,447,543篇论文数据，部分数据来源于NoteExpress
农田土壤硝酸盐积累与淋失研究进展。
Advances in studies on accumulation and leaching of nitrate in farming soil.
沙质土壤中氮素的淋失量明显高于粘质土壤。
The amount of nitrogen leached from sand soil exceed in that from clay soil.
氮沉降能引起土壤酸化，同时造成土壤盐基离子淋失。
N deposition can acidify the soil and leaching the exchangeable base cations.
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