您要查找的是不是:
- Excessive fertilization was one of the main factors to cause low nutrient use efficiency and degrade soil quality in intensive vegetable planting system. 摘要过量施肥通常导致集约化菜田土壤质量劣化、养分利用效率低及环境风险增加。
- The results showed that high nutrient use efficiency could also be obtained at high fertilizer input level when the comprehensive crop management techniques have been developed. 从区域、农户和吨粮田不同层次上的分析表明,高投入下可以实现高效率,关键是提高综合管理的科学水平;
- Effects of Fargesia denudata density on its litterfall production, nutrient return, and nutrient use efficiency 密度对缺苞箭竹凋落物养分归还及养分利用效率的影响
- Effect of controlled release fertilizer on increasing rice nutrient use efficiency and minimizing environmental contamination of rice field 控释肥料对提高水稻养分利用率和削减稻田土壤环境污染的作用
- Nutrient use efficiency and yield-increasing effect of single basal application of rice-specific controlled release fertilizer 一次基施水稻控释肥技术的养分利用率及增产效果
- Keywords Ageratina adenophora;Plant competition;Ecophysiological characteristics;Nutrient use efficiency;Displacement control; 紫茎泽兰;植物竞争;生理生态特征;养分利用效率;替代控制;
- Nutrient use efficiency 养分利用效率
- Nitrogen (N) fertilizer use efficiency can be improved by two ways, that is, optimized N fertilizer management and genetic improvement of nitrogen use efficiency (NUE) of crops. 摘要提高氮肥利用率依赖于氮肥优化管理及作物氮素营养效率的遗传改良。
- The results showed that 5 varieties of DK743, DK656, YY22, ZD2 and HD1 had high nitrogen use efficiency (NUE), but another two varieties of JD2 and SY905 had low NUE. 结果表明,DK743、DK656、豫玉22、中单2号、户单1号5个品种N素营养效率较高;酒单2号和石玉905是低N素营养效率的品种。
- Hybrid rices behaved of physiology advantage in nutrient uptake and use efficiency than that of inbred rice. 在养分的吸收和利用效率方面,杂交稻较常规稻表现出明显的生理优势。
- It is very important to increase fertilizer use efficiency (FUE) in China for its relatively low FUE and serious losses of nutrient. 尽管耕地面积只占世界耕地面积总量的7%25,但中国的化肥施用量却接近世界总量的1/3。
- Re-allocation of nutrient elements within trees is a common phenomenon, and it is an adaptive reaction of the tree to malehabitat. Moreover, coniferous forests and those in high latitude zones have higher efficiency in nutrient use. 树体内养分的重新分配是一种普遍存在的现象,这些现象表示了树木对环境中营养元素供应不足的适应性反应。 相比较而言,针叶林及高纬地区森林具有较高的养分利用效率。
- Higher CO 2 concentr ati on increased use efficiencies of N and P (NUE and PUE), but did not affect relat ive nitrogen and phosphorus accumulation rates (RNAR and RPAR). CO2 浓度升高 ,氮磷利用效率 (NUE和PUE)提高 ,而对相对氮磷累积速率 (RNAR和RPAR)影响不大。
- The low fertilizer use efficiency (FUE) and the pollution of the environment for lost nutrient has been one of the main obstacle factors of society,enconmy and agricultural sustainable development. 化肥利用率低以及化肥施用后损失的养分造成的环境污染,已成为全球社会、经济和农业可持续发展的主要障碍之一。
- Ultra thin panel design ,to use efficiently the room, elegant. 超薄面板,有效利用有限空间,美观大方。
- Teacher uses efficient teaching aides. 教师准备了足够的教具。
- Raised bed planting (RBP) can get higher grain yield and water use efficiency than flat planting (FP). 垄作小麦冠层为波浪状,有利于提高小麦的籽粒产量和水分利用效率。
- Relationship between soil water content and water use efficiency of apple leaves. 土壤含水量与苹果叶片水分利用效率的关系。
- The results showed that when SWC was 50.6%,the water use efficiency(WUE) was the highest. 结果表明;SWC为50.;6%25时水分利用效率(WUE)最高;
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。