1.
Relationship between soil nitrate,nitrogen balance and utilization in rainfed land
旱地土壤硝态氮与氮素平衡、氮肥利用的关系
2.
Study on Adjustment of the Ratio of C to N by Adding N During Straw Turnover
秸秆还田添加氮素调节碳氮比的研究
3.
Effects of the Amount of Basic and Tillering Nitrogen Applied on Absorption and Utilization of Nitrogen in Rice
氮素基、蘖肥用量对水稻氮素吸收与利用的影响
4.
Study on the Key Enzymes in Nitrogen Assimilation and Metabolism in Soybean (Glycine Max(L.)Merrill);
大豆氮素同化关键酶及氮素代谢规律研究
5.
Studies on the Nitrogen Transform and Reducing Nitrogen Loss during Composting;
堆肥氮素转化及原位减少氮素损失的研究
6.
Research on the Effect of Nitrogen Form on Growth Physiology and Nitrogen Absorption-utilization in Four Tea Varieties (Camellia Sinensis L.)
氮素形态对茶树生长及氮素吸收利用的影响
7.
A DIAGNOSIS OF NITROGEN NUTRITION IN COTTON PLANTS--THE RELATIONSHIP BETWEEN THE AMINO--NITROGEN AND THE LEVEL OF NITROGENOUS NUTRITION IN COTTON LEAVES
棉花氮素营养诊断——棉花叶片氨基态氮与氮素营养水平的关系
8.
Sources of Nicotine-N and Effects of Nitrogen Supply on Growth, Nitrogen Uptake, Nicotine Contents in Nicotiana Tabacum Plants;
烟碱氮素来源和供氮对烤烟生长、氮素吸收、烟碱含量的影响
9.
Effects of Nitrogen Management on Rice Nitrogen Uptake and Nitrogen Concentrations in the Leachate from Rice Field
氮肥运筹对水稻氮素吸收和稻田渗漏液氮素浓度影响
10.
Studies on Nitrogen Uptake Characteristics, Nitrogen Use Efficiency, Real Time Nitrogen Management, and Site Specific Nutrient Management of Irrigated Rice;
水稻氮素营养特性、氮肥利用率与实时实地氮肥管理的研究
11.
The Effects of N Application Levels on N Use Efficiency in Rice Growth Stages and the Dynamic Variation of N Leaching in Paddy Field;
施氮水平对水稻生育期氮素利用率及稻田氮淋失动态的研究
12.
Effect of Combined Application of Organic and Inorganic Fertilizer on Soil Microbial Biomass Nitrogen and Nitrogen Cycle;
有机无机氮源配合施用对土壤微生物生物量氮及氮素循环的影响
13.
Effects of the Final and Different Stage of Nitrogen Application on the Nitrogen Distribution and Using Efficiency of Sugarcane;
不同施氮时期和施氮终止期对甘蔗氮素吸收分布影响的研究
14.
Effects of Nitrogen Fertilizer Regulation on Vegetables Nitrogen Utilization and Soil Nitrate-N Residue
氮肥调控对蔬菜氮素利用及土壤硝态氮残留的影响研究
15.
Effect of Different Nitrogen Rates on Nitrogen Utilization and Residual Soil Nitrate of Spring Maize
不同施氮水平对春玉米氮素利用及土壤硝态氮残留的影响
16.
Effects of Models of N Application on Greenhouse Tomato N Uptake,Utilization and Soil NO_3~--N Accumulation
施氮模式对番茄氮素吸收利用及土壤硝态氮累积的影响
17.
Relationship of Activities of Key Enzymes Involved in Nitrogen Metabolism with Nitrogen Utilization in Rice under Water-Nitrogen Interaction
水氮互作下水稻氮代谢关键酶活性与氮素利用的关系
18.
Effects of Nitrogen Application Rate on Nitrogen Absorption,Translocation and Fertilizer-nitrogen Use Efficiency in Japonica Rice Cultivar Nanjing 44
施氮量对南粳44氮素吸收运转及氮肥利用效率的影响