nitrogen fertilizer的例句大全

The correlation coefficient between growing period of rice and plant growth parameters was higher under zero nitrogen level than that of nitrogen fertilizer level.

水稻生育期与植物生长参数的相关系数在不施氮时均较施用氮肥时的大。

Nitrogen fertilizer applied in soil have the significant "carry over" effect.

施入氮肥具有明显的carry over效应。

State and retention characteristics of water in hydrogel of water-absorbent slow release nitrogen fertilizer

保水缓释氮肥水分状态与吸持特征研究

Within the nitrogen fertilizer application rate ( 0-700 kg hm~ (-2)), the more nitrogen fertilizer application rate, the greater content of nitrate in garden sass was found.

在施氮肥0~700kg HM-2范围内，氮肥施用量越多，大青菜硝酸盐含量越高。

The apparent nitrogen recovery rate, loss rate and fixed rate have no significant difference among four nitrogen fertilizer types.

4种N肥表观回收率、表现损失和固定率均无显著差异。

To counter the difficulty occurred in the Chinese fertilizer enterprises presently and the impact after participating into WTO, the thought of the energy-saving and consumption-reducing in the little-scale nitrogen fertilizers and the development towards multi-industry have been presented.

针对目前我国氮肥企业面临的困境，以及加入WTO后的冲击，提出了小氮肥厂节能降耗和向多产业发展方面的新思路。

CP is the very important method to the development of nitrogen fertilizer industry and environmental protection.

实施清洁生产是从根本上解决氮肥企业发展和环境保护问题的重要手段。

Characteristics and Performance of A New Water-Absorbent Slow Release Nitrogen Fertilizer

一种新型保水缓释氮肥有关特征及性能

At the same time, coordination of water and fertilizer could increase water and fertilizer utilization efficiency. Water-use efficiency were increased by 70% in treatments of using nitrogen fertilizer, and 5.8% in treatment of irrigation;

同时，水、肥利用效率也明显提高，结果表现为水分利用率施氮比不施氮处理提高70%左右，灌溉比不灌溉处理提高5.8%；

The Effect of Dairy Effluent and Nitrogen Fertilizer on Soil Nitrite Leaching and N_2O Emission in the Pasture System

有机物和氮肥对牧草土壤硝酸盐淋溶和N2O排放的影响

Low nitrogen fertilizer use efficiency and a lot of nitrogen loss in Paddy rice maybe cause the waste of resources, costs of rice production increasing and increasing output without earning, at the same time lead to a series of adverse reactions.

稻田氮肥利用率低和大量的氮素损失在造成资源浪费、水稻生产成本增加、农民增产不增收的同时还导致一系列不良的环境反应。

Effect of Amount of Nitrogen Fertilizer Applied on Green Asparagus

不同氮肥用量对绿芦笋的影响

Effects of different amount of nitrogen fertilizer on yield and nutrient quality of green asparagus

不同氮肥用量对绿芦笋产量及营养品质的影响

Effect of Nitrogen Fertilizer on Soilborne Wheat Yellow Mosaic Disease

氮素肥料对土传小麦黄色花叶病的影响

Effect of nitrogen fertilizer structure on the economic yield and quality of lettuce

施氮结构对茎用莴苣经济产量与品质的影响

Study on Nitrogen Fertilizer Application Economic Effect in Rice Field of Riparian Area

沿江稻田氮肥施用经济效益的研究

Adding nitrogen fertilizer ( compared the 150 kgN/ hm2 applied rates with 75 kgN/ hm2) had the tendency to increasing effect ears, grains per ear and decrease thousand-grain weight, but its increase or decrease variation amplitude of varieties was large.

增施氮肥（施氮量150kgN/hm2与施氮量75kgN/hm2相比）有增加小麦有效穗数和穗粒数、降低千粒重的趋势，但增加或降低的幅度在品种间有较大差异。

Priming effect of ammonium nitrogen fertilizer on soil nitrogen under waterlogged condition

淹水培养条件下铵态氮肥对土壤氮素的激发效应

Applying nitrogen fertilizer could enhance the fresh weight and dry weight of Chinese milk vetch, but it had negative effect on the formation of root nodule and the biological nitrogen fixation.

施用氮肥能促进紫云英干物质的积累和鲜草产量的提高，但对其根瘤的形成及生物固氮有负面影响。

Effects of Nitrogen Fertilizer Combined with Chemical control on Lint Yield, Fiber Quality of Cotton

氮肥与化控配合应用对棉花产量和品质的影响