What is the cost of using nitrogen fertilizer on a rice crop?

水稻使用氮肥的成本是什么?

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Nitrogen fertilizer to achieve a single change in fertilizer products achieve serialization.

实现单一氮肥向复合肥的转变,实现化肥产品系列化.

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Utilization efficiency of nitrogen fertilizer and Kalium were enhanced.

促进番茄对氮和钾的吸收.

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The impact of nitrogen fertilizer work on plant physiology indicators.

氮肥对苗木生理指标的影响.

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The effect of potassium increased with increasing yield and nitrogen fertilizer.

钾肥效应随着产量和施氮量提高而增大.

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Ha Bac Nitrogen Fertilizer Factory: Bac Giang , Ha Bac Province; f .1976.

河北氮肥厂: 在河北省北江市; 1976年建成.

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The yield increased with certain nitrogen fertilizer.

适量增施氮肥使辣椒产量增加.

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He agrees that the acidifying effects of nitrogen fertilizer deserve more attention in China.

他同样认为,氮肥的酸化效果在中国应该引起更多的关注.

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Sky - chairman the boardthe International Gang said the time, phosphate, nitrogen fertilizer and some will Shouchu.

云天化国际董事长李如岗当时也表示, 磷肥 、 氮肥和复合肥都会收储一些.

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So the nitrogen fertilizer became one of the limiting factors which control the yield.

所以,土壤中氮肥的施用成为控制高产的主要因素.

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The priming effect of nitrogen fertilizer on soil nitrogen was studied by using waterlogged incubation method.

应用淹水培养方法,研究了铵态氮肥对土壤氮素的激发效应.

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The nitrogen fertilizer losses in paddy field involve nitrification - denitrification, ammonia volatilization nitrate leaching and runoff.

稻田中氮素损失途径主要有氨挥发、硝化 - 反硝化 、 淋洗和径流,其中氨挥发是氮素损失的主要途径.

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The larger the company is the production of synthetic ammonia and nitrogen fertilizer businesses.

公司是国内较大的合成氨和氮肥生产企业之一.

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Howerver, if too much nitrogen fertilizer applied into the soil, it will result some problems.

但是随着氮肥施用量的增加,土壤过多累积的硝态氮又导致了环境污染方面的问题.

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The total phosphorus requirement is relative to the potential of soil phosphorus and nitrogen fertilizer application.

总磷需求量与土壤磷潜力和施用氮肥有关.

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