您要查找的是不是：
- N fertilizers on soil microbiota and microbial activity in cotton field. 张英;褚秋华;邱少生;等.;11年连续肥料处理对水稻土碳
- The effects of Cu on rice at same level of N fertilizer were studied. 本文研究了微量元素铜在同样的氮肥量水平下对水稻生育的影响。
- The photoperiod characteristics played an important role in response to N fertilizer. 非光敏品种对高施氮量反应好，其最高产量需要更多的氮。
- Dressing N fertilizer in flowering stage led to the decrease of glutelin content. 开花期追氮导致谷蛋白含量降低；
- N fertilization induced a decrease of the infection rate, and the decrement varied with soil depth and season. 在不同季节和土层之间，施N肥导致菌根真菌侵染率下降。
- Applying N fertilizer during the R4 and R5 periods could increase the crop N-accumulation and yield significantly. 在 R4和 R5 期补充氮肥的供给明显增加植株对氮的积累，并能显著提高大豆产量。
- Although relative response to N by legume species may differ, N fertilization will reduce nodulation and BNF by legumes. 尽管不同豆类作物种对氮的反应不同，但施氮肥会减少豆类作物结瘤和生物固氮量。
- Huang S M,Bao D J.Effect of N fertilizer application on nitrate content in soil and underground water[J].Agri-Environ.Prot.,2000,19(4):228-229. [19]黄绍敏;宝德俊.;施氮对潮土地下水硝态氮含量的影响[J]
- The results showed that: the content of essential and total Aa. and etc. were increased significantly by applying N fertilizer in Tumochuan. 结果表明，在土默川地区，施氮肥后，必需氨基酸含量、酸性和碱性氨基酸含量及氨基酸总量极显著增加；
- Because accumulation of photosynthate decreased, the increase in the N fertilizer made soluble sugar content in flag leaves reduce. 由于光合产物积累减少，增施氮肥使旗叶可溶性糖含量降低。
- Wheat fertilization mainly in basal, all organic manure, P and K and half of N fertilizers are applied at plowing, the rest N fertilizer dressed in jointing stage along with irrigation. 小麦施肥主要为基肥，全部有机肥、磷、钾和一半氮肥翻地时施入，其余氮肥在拔节期随灌水追施。
- Nitrates are used as fertilizers in agriculture. 硝酸盐在农业上用作肥料。
- For example, farmers must make choices about managing N in legume production systems.These choices are complicated by the negative interaction between N fertilizer and BNF. 例如农户在豆类作物的氮管理上做出选择，由于氮肥和生物固氮之间的负相关而使选择变得复杂。
- Crushed bones make one of the best fertilizers. 碎骨是最好的肥料之一。
- Bone-meal and nitrates are common fertilizers. 骨粉和硝酸盐是普通的肥料。
- N fertilizer application in wheat significantly increased total N, ammonium N and nitrate-N contents in paddy field, resulting in high indigenous N supply of soil (INS). 结果表明，麦季氮肥的施用明显提高了稻季土壤全氮、铵态氮和硝态氮的含量，造成土壤背景氮偏高。
- The results showed that the model of n fertilizer for Hard Wheat, higher in jointing than in seedtime and spike-time, was beneficial for high yield as well as quality. 研究结果表明，氮肥运筹以“前轻中重后补充”模式的产量品质俱佳；
- Incorporating Chinese Milk Vetch into soil can reduce the chemical N fertilizer application rate by 44%, and also diminish the environmental risk of N runoff. 利用豆科紫云英轮作还田,可降低44%25的无机N肥用量,溶解性N浓度显著降低,是减小稻季N肥流失环境风险的有效途径。
- It must be emphasized that performance of inoculant and the amount of N legumes derive from BNF is directly linked to crop management including application of N fertilizer. 必须强调的是，接种物的表现和豆类作物从生物固氮获得的氮量与包括施用氮肥的作物管理直接有关。
- Li W B, Wu L S, Liao H Q.Application and crop recovery of N fertilizer in high-yielding paddy fields of Taihu region[J].Acta Pedological Sinica, 1997, 34 (1): 67 - 73. [19]李伟波;吴留松;廖海秋.;太湖地区高产稻田氮肥施用与作物吸收利用的研究[J]
