采用室内模拟氨挥发和模拟降雨土柱淋洗方法，研究了NDSA（饱和铵贮库）施肥法对降低氨挥发和氮素淋失的作用。
The effects of a new fertilization method-NDSA(nitrogen depot with saturated ammonium) on the loss of nitrogen from ammonia volatilization and N leaching were studied by imitation experiments.
施肥对芨芨草叶片含水量影响不大，但造成水分饱和亏增加。
Fertilizer influenced trivially on leaf water content, while intensified markedly on the water saturation deficit.
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