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- Effects of long-term plant Medicago sativa Linn. on soil nitrogen nutrient. 长期种植苜蓿对土壤氮素营养的作用
- Depletion of soil nitrogen frequently leads to reduced concentrations of soluble amino and amides. 土壤氮素的减少常常导致可溶性氨基酸和酰胺浓度的降低。
- Influence of temperature and moisture on soil nitrogen mineralization under two types of forest in Changbai Moun. Tain. 温度和湿度对长白山两种林型下土壤氮矿化的影响。
- There was a positive correlation between the amounts of most soil microbe and soil nitrogen content. 土壤中大多数微生物数量与土壤氮素养分含量呈正相关。
- These results indicate that the vegetation has stronger effect on soil nitrogen mineralization than soil types. 不同土地利用方式对土壤氮素矿化作用的影响强于不同土壤类型的影响。
- The priming effect of nitrogen fertilizer on soil nitrogen was studied by using waterlogged incubation method. 摘要应用淹水培养方法,研究了铵态氮肥对土壤氮素的激发效应。
- The soil nitrogen status is a function of the processes of nitrogen fixation, microbial decompostion, nitrificattion and denitrification. 土壤氮状况是一个固氮、微生物分解、硝酸化和脱氮过程的作用。
- The soil nitrogen status is a function of the processes of nitrogen fixation, microbial decomposition, nitrification and denitrification. 土壤氮状况是一个固氮、微生物分解、硝酸化和脱氮过程的作用。
- Knoepp J D,Swank W T.Using soil temperature and moisture to predict forest soil nitrogen minerlization[J].Biol.Fert.Soils,2002,36:177-182. 巨晓棠李生秀.;土壤氮素矿化的温度水分效应[J]
- An experimental study was carried out to analyze the impacts of soil nitrogen heterogeneity on the growth of a clonal plant, Zoysia japonica. 摘要通过试验分析了生境土壤氮素异质性对于克隆植物结缕草生长的影响。
- Highland soil nitrogen can enter adjacent water body via erosion and leaching, being one of the important pollutants in terrestrial water bodies. 摘要氮素是陆地水体的重要污染物之一,相邻高地土壤中的氮素经非点源途径通过河岸带进入水体。
- In intact treatments, soil nitrogen promoted internode elongation, specific internode length, and also the formation of tillers. 结缕草克隆在保持连接的情况下,土壤氮素对节间长度和比节间长度的伸长生长以及分蘖的形成具有促进作用。
- The results show that soil OM content has obviously closer relationship with >0.25mm soil water stable aggregate content (%) than that of soil nitrogen and phosphorus content. 试验结果表明,土壤有机质含量x(%25)与土壤>0.;25mm水稳性团聚体含量y(%25)呈显著线性正相关,土壤全氮、土壤全磷与>0
- The results showed that with the increase of EDI, soil nitrogen in deeper layers could be released into surface runoff through dissolution and desorption. 中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室;
- Shen Y F, Li S Q, Shao M A.Effects of temperature and water condition on soil nitrogen mineralization of different layers in Eum-Orthic Anthrosols of sub-humid area. 沈玉芳;李世清;邵明安.;半湿润地区土垫旱耕人为土不同土层氮矿化的水温效应研究
- Li G T, Zhao Z J, Huang Y F, Li B G.Effect of straw returning on soil nitrogen transformation [ J].Plant Nutrition and Fertilizer Science,2002, 8(2): 162-167. [1]李贵桐;赵紫娟;黄元仿;李保国.;秸秆还田对土壤氮素转化的影响[J]
- Z. japonica clonal production benefited from heterogeneous nitrogen distributions when the total soil nitrogen supplies in the habitats were relatively low. 试验证明,当土壤氮素资源的总体水平较低时,氮素资源的异质性分布对结缕草的生长有利;
- By getting across of this inclined slope runoff experiment,we investigate in the control of soil nitrogen runoff effects on controlling nitrogen loss(urea). 本文通过斜面坡地径流实验,研究了控失氮肥(尿素)在控制土壤氮素径流损失上的作用效果。
- Based on the long-term field experiments, the relationships between soil nitrogen balance, nitrogen utilization efficiency (NUE) and soil nitrate were studied. 摘要 利用长期肥料试验资料研究了土壤氮素平衡、氮肥利用率和土壤硝态氮之间的相互关系。
- The soil nitrogen availability and relative nitrification ratio along the gradient differed greatly being significantly higher in urban than in rural area (P<0.05). 城乡梯度不同位置森林土壤有效氮及其各组分与相对硝化速率的差异明显,城区均显著高于乡村(P<0.;05);
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