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. 摘要過(guò)量施肥通常導致集約化菜田土壤質(zhì)量劣化、養分利用效率低及環(huán)境風(fēng)險增加。
- 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. 從區域、農戶(hù)和噸糧田不同層次上的分析表明,高投入下可以實(shí)現高效率,關(guān)鍵是提高綜合管理的科學(xué)水平;
- Effects of Fargesia denudata density on its litterfall production, nutrient return, and nutrient use efficiency 密度對缺苞箭竹凋落物養分歸還及養分利用效率的影響
- Effect of controlled release fertilizer on increasing rice nutrient use efficiency and minimizing environmental contamination of rice field 控釋肥料對提高水稻養分利用率和削減稻田土壤環(huán)境污染的作用
- Nutrient use efficiency and yield-increasing effect of single basal application of rice-specific controlled release fertilizer 一次基施水稻控釋肥技術(shù)的養分利用率及增產(chǎn)效果
- Keywords Ageratina adenophora;Plant competition;Ecophysiological characteristics;Nutrient use efficiency;Displacement control; 紫莖澤蘭;植物競爭;生理生態(tài)特征;養分利用效率;替代控制;
- Nutrient use efficiency 養分利用效率
- 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賴(lài)于氮肥優(yōu)化管理及作物氮素營(yíng)養效率的遺傳改良。
- 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. 結果表明,DK743、DK656、豫玉22、中單2號、戶(hù)單1號5個(gè)品種N素營(yíng)養效率較高;酒單2號和石玉905是低N素營(yíng)養效率的品種。
- Hybrid rices behaved of physiology advantage in nutrient uptake and use efficiency than that of inbred rice. 在養分的吸收和利用效率方面,雜交稻較常規稻表現出明顯的生理優(yōu)勢。
- It is very important to increase fertilizer use efficiency (FUE) in China for its relatively low FUE and serious losses of nutrient. 盡管耕地面積只占世界耕地面積總量的7%25,但中國的化肥施用量卻接近世界總量的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. 樹(shù)體內養分的重新分配是一種普遍存在的現象,這些現象表示了樹(shù)木對環(huán)境中營(yíng)養元素供應不足的適應性反應。 相比較而言,針葉林及高緯地區森林具有較高的養分利用效率。
- 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 濃度升高 ,氮磷利用效率 (NUE和PUE)提高 ,而對相對氮磷累積速率 (RNAR和RPAR)影響不大。
- 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損失的養分造成的環(huán)境污染,已成為全球社會(huì )、經(jīng)濟和農業(yè)可持續發(fā)展的主要障礙之一。
- Ultra thin panel design ,to use efficiently the room, elegant. 超薄面板,有效利用有限空間,美觀(guān)大方。
- Teacher uses efficient teaching aides. 教師準備了足夠的教具。
- Raised bed planting (RBP) can get higher grain yield and water use efficiency than flat planting (FP). 壟作小麥冠層為波浪狀,有利于提高小麥的籽粒產(chǎn)量和水分利用效率。
- Relationship between soil water content and water use efficiency of apple leaves. 土壤含水量與蘋(píng)果葉片水分利用效率的關(guān)系。
- The results showed that when SWC was 50.6%,the water use efficiency(WUE) was the highest. 結果表明;SWC為50.;6%25時(shí)水分利用效率(WUE)最高;
- That's rather an effective use of color. 這種使用顏色的手法效果相當好。