Field experiment on water and nitrogen distribution for winter wheat under border strip fertigation 冬小麦不同畦灌施肥模式水氮分布田间试验
The objective of this study was to find biomass and nitrogen distribution in different parts of dormancy apple trees. 探讨休眠期苹果树体不同器官生物量与氮素分布的规律。
Vertical distribution and diversity of butterflies in Hengduan Mountains, Southwest China Soil Organic Nitrogen Distribution in the Vertical Sequence on the Northwestern Slope of Altai Mountains 横断山区蝶类的垂直分布及其多样性阿尔泰山西北部垂直带谱中土壤有机氮素分布
The effects of elevated atmospheric CO_2 concentration on wheat straw decomposition and nitrogen distribution in paddy soil 大气CO2浓度升高对稻季土壤中麦秸降解及氮素分趋的影响
Water and nitrogen distribution under subsurface drip fertigation as affected by layered-textural soils 层状土壤质地对地下滴灌水氮分布的影响
Effect of Different Nitrogen Application on Yield, Nitrogen Distribution and Utilization in Winter Wheat Under Soil Water Stress 限水灌溉下不同氮肥用量对小麦产量及氮素分配利用的影响
Nitrogen distribution during thermal conversion of vacuum residue 减压渣油热转化前后的氮分布
The nitrogen distribution and release to the overlying water and interstitial water through a series of large static simulating experiments were probed into. 通过大型静态土柱模拟实验,研究氮在上覆水和孔隙水中的分布特性和释放特性。
Nitride Capacity of Fluxes and Nitrogen Distribution 熔渣的氮容量及氮在渣气和渣钢中的分配
The nitrogen distribution in Al after nitrogen implantation was simulated utilizing TRIM'98 code. 采用TRIM'98程序模拟了铝试样经氮离子注入后,氮在铝基体中浓度的分布情况。
Study on Nitrogen Distribution and Nitrided Mechanism for Ultrathin Nitrided SiO_2 by Rapid Thermal Nitridation 快速热氮化超薄SiO2膜的氮分布和氮化机理的研究
Effect of Mineral Nitrogen Distribution in Soil Profiles on Nitrogen Use of Flue-cured Tobacco Under Different Fertilizer Application Methods 不同施肥土壤中无机氮的垂直分布及烤烟对氮素的利用
The influence of vegetation recovery on organic carbon and nitrogen distribution in surface soil particle of dry area 植被恢复对旱区表土颗粒中有机碳和氮分布的影响
The Nitrogen Distribution in Soil after Surface Application of Nitrogenous Fertilizer under Sprinkling Irrigation Condition 喷灌条件下土壤中的氮素分布研究
Favorable Effect of Nitrogen Before Transplanting on Nitrogen Distribution and Utilization Efficiency in Rice Rhizosphere Soil 起身肥改善水稻根际土壤氮素分布与利用的研究
And enhanced canopy leaf area, flag leaf net photosynthetic rate and plant nitrogen distribution among each orger, with the result the yield was increased and the grain quality was improved. 后期通过增加冠层叶面积、提高净光合速率和促进光合产物向穗部的运输,提高产量、改善品质。
Labeled N absorbed from roots at early fruiting stage remained mainly in leaves and fruits, which became the most important organs for nitrogen distribution. 始采期通过根吸收的标记态氮主要贮存在叶片与果实中,叶片、果实是甜椒始采期氮素分配的最主要器官。
Results demonstrated the input concentration is the main factor that affects nitrogen distribution in soil. 肥液浓度是影响氮素在土壤中分布的主要因素,滴头流量和灌水量的影响较小。
Effects of N treatments on nitrogen distribution were small, and the interaction between nitrogen and FACE treatments on nitrogen nutrient was also small. FACE和N处理对水稻N素营养的互作效应较小。
Study on Nitrogen Distribution in Constructed Wetland's Soil 氮素在人工湿地基质中分布研究
Studies on Nitrogen Distribution in Thermally Reformed Products from Residual Oil 渣油热转化产物中氮分布的研究
【 Objective 】 The study was conducted to investigate the improvement of the application of nitrogen fertilizer before transplantation on nitrogen distribution and utilization efficiency around the soil of rice and to give guidance for nitrogen fertilizer application. 【目的】探讨起身肥对移栽后水稻根际土壤氮素分布与利用的改善作用,为氮肥的精确合理施用奠定基础。
Characteristics of Nitrogen Distribution in Peat Deposit of Freshwater Marsh Wetland 淡水沼泽湿地泥炭沉积中氮素分布特征
Study of nitrogen distribution and functional forms during coal pyrolysis 煤热解过程中氮的分配及存在形态的研究进展
Study on nitrogen distribution in products of slurry-bed hydrocracking of residue 渣油悬浮床加氢产物氮分布的研究
Relationship between nitrogen distribution and DO content showed that content of ammonia nitrogen in surface water was severely out of standard. 体氮素分布特征及其与DO含量的关系如下:区域表层水中氨氮含量严重超标。
Effects of nitrogen application rate on soil inorganic nitrogen distribution, microbial biomass nitrogen content and yield of wheat 施氮量对土壤无机氮分布和微生物量氮含量及小麦产量的影响
Reaction temperature, catalyst to oil ratio, weight hourly space velocity and feedstock nitrogen content affected the nitrogen content of spent catalyst and the nitrogen distribution in products. 反应温度、催化剂与原料油的质量比、空速、原料氮含量都影响待生催化剂的氮含量和氮在产物中的分布。
Study on Nitrogen Distribution and Utilization in Winter Wheat under Water Saving 限水灌溉条件下冬小麦氮肥利用研究