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- Nitrogen Fertilization, Soil Nitrate Accumulation, and Policy Recommendations in Several Agricultural Regions of China 中国几个农业区的氮肥、土壤氮积累以及政策推荐
- Effects of nitrogen application level on soil nitrate accumulation and ammonia volatilization in high-yielding wheat field 施氮水平对高产麦田土壤硝态氮时空变化及氨挥发的影响
- soil nitrate accumulation 土壤硝态氮残留
- The experiments in pot culture were conducted to study the effects of Anaerobic Fermentation Residues (AFR) on nitrate accumulation in rape and available nitrogen in soil in order to provide new way for the comprehensive utilization of biogas engineering. 研究沼气发酵产生的厌氧发酵残余物 (沼液、沼渣 ,以下简称沼肥 )在培肥土壤过程中土壤速效氮的变化及对油菜硝酸盐含量的影响 ,为沼气综合利用提供新的理论和技术依据。
- For nitrate accumulation in soil profile, soil under sole fababean was the highest, followed by that under intercropped wheat and fababean, and soil under sole wheat was the lowest. 不同种植方式下土壤剖面中硝酸盐累积量趋势表现为蚕豆单作>小麦、蚕豆间作>小麦单作。
- Field experiment was carried out to investigate the yield advantage of intercropped wheat and faba bean, and on nitrate accumulation in soil profile at different N application rates. 摘要 通过田间小区试验,研究了小麦/蚕豆间作条件下作物的产量优势及不同施氮水平和种植方式中土壤硝酸盐累积。
- Field experiment was carried out to investigate the yield advantage of intercropped wheat and faba bean,and on nitrate accumulation in soil profile at different N application rates. 摘要 通过田间小区试验,研究了小麦/蚕豆间作条件下作物的产量优势及不同施氮水平和种植方式中土壤硝酸盐累积。
- The restraining effects of Dicyandiamide (DCD) on nitrate accumulation in vegetables were carried out in pot-test. 本文就双氰胺对蔬菜硝酸盐积累抑制作用进行了盆栽试验。
- The effects of Dicyandiamide (DCD) and Molybdenum (Mo) on reducing nitrate accumulation in vegetables were carried out in pot-test. 本文化钼肥和双氰胺降低蔬菜硝酸盐积累的作用进行了盆载试验.
- The results showed that DCD and Mo could obviously reduce nitrate accumulation in vegetables. 结果表明:施用钼肥和双氰胺能够显著降低蔬菜硝酸盐的积累.
- And compared to Urea, OM was better in the control over rape's nitrate accumulation. 与施用尿素比较,施用有机肥有利于控制油菜的硝酸盐累积;
- BELANGER G,ZIADI N,WALSH J R,RICHARDS J E,MILBURN P H.Residual soil nitrate after potato harvest[J].Journal of Environmental Quality,2003,32:607-612. 郭胜利党廷辉郝明德.;黄土高原沟壑区沟坡地土壤剖面中矿质氮的分布特征[J]
- Li W Q,Zhang M,Li H F,Zan L S.The study of soil nitrate status in fields under plastic house gardening[J].Acta Pedologica Sinica,2002,39(2):283-287. [9]李文庆;张民;李海峰;昝林生.;大棚土壤硝酸盐状况研究[J]
- The results showed that compared to chemical fertilizer, AFR could decrease the nitrate accumulation in rape. 试验表明 :与化肥相比 ,适量施用沼肥 ,可有效减少油菜硝酸盐的积累 ;
- The nitrification inhibitor(DCD) could reduce the nitrate accumulation of NH_4NO_3 and NH_4Cl and have a more significant effect on NH_4NO_3. 硝化抑制剂双氰铵(DCD)能降低NH4NO3和NH4Cl的硝酸盐积累,对NH4NO3作用较为明显。
- 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。
- Effects of spraying glutamic acid (Glu), glutamine (Gln) and glycine (Gly) on nitrate accumulation and nutritional quality of pakchoi (Brassica chinensis L. 在夏秋两季气候条件下对3种氨基酸(谷氨酸、谷氨酰胺、甘氨酸)喷施小白菜硝酸盐积累及营养品质的影响作了研究。
- Abstract: A set of orthogonal experiments was conducted to study effects ofAnaerobic Fermentation Residues (AFR) on nitrate accumulation in rape and spinach, respectively. 文摘:通过正交实验,分析沼气发酵残余物(沼液、沼渣)作为肥料,其施肥量、配施品种、施用方式等因素对油菜和菠菜硝酸盐积累的影响。
- A set of orthogonal experiments was conducted to study effects ofAnaerobic Fermentation Residues (AFR) on nitrate accumulation in rape and spinach, respectively. 通过正交实验,分析沼气发酵残余物(沼液、沼渣)作为肥料,其施肥量、配施品种、施用方式等因素对油菜和菠菜硝酸盐积累的影响。
- Ren Z G,Qiu X X,Cai Y C et al.Studies on correlation between vegetable nitrate accumulation and fertilizer application[J].Acta Ecol.Sin.,1998,18(5):523-528. [5]任祖淦;邱孝煊;蔡元呈;等.;氮肥施用与蔬菜硝酸盐积累的相关研究[J]