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- Biological nitrogen fixation and nitrogen transfer wasdetected by 15N dilution technology. The percentage of BNF, fertilizer nitrogen andsoil nitrogen to nitrogen yield of grass and legume in monoculture and mixture wereanalyzed, respectively. 利用同位素15N稀释法测量豆科牧草固氮和转氮能力,分析生物固氮、肥料氮和土壤氮在单、混播条件下羊草和豆科牧草体内的比例,并计算生物固氮量对草地氮产量的贡献率。
- She sat down on a tuft of grass. 她坐在一小块草地上。
- We saw a rabbit on a tuft of grass. 我们看见在一簇草中有一只兔子。
- The first blades of grass speared out of the earth. 第一批青草的叶片破土而出。
- These trees gave a high yield of fruit this year. 这些果树今年获得了大丰收。
- In flat open country there is plenty of grass for the cattle to feed on. 在开阔平坦的地区有大量的青草供牛群食用。
- The total yield of such produce in a particular season or place. 收成在某一季节或地区该类产品的总产量
- The first blade of grass spear out of the earth. 第一批青草的叶片破土而出。
- Beneath them the earth was naked of grass. 在他们脚下是寸草不生的土地。
- That year we got in a per-mu yield of 840 jin. 那一年我们亩产达到840斤。
- You've got a blade of grass on your hair. 你的头发上有一篇草叶。
- How to calculate the yield of factoring financing? 如何计算保理融资的收益情况?
- The runway is simply a strip of grass. 所谓跑道不过是一长条草地而已。
- This will give a yield of 10% on your investment. 这会给你的投资带来 10%25 的利润。
- Clumps of grass poked up through the snow. 一簇簇的草破雪而出。
- Effects on Seedtime of Yield of Artemisia annua L. 播种期对黄花蒿产量的影响。
- Their garden is a wilderness of grass and weeds. 他们的花园杂草丛生。
- What is the yield of grain per mu here? 这里的粮食亩产是多少?
- Look at the stretch after stretch of grass. 你看这一片一片的草场。
- The yield of chloroacetates is above 90%. 酯收率为90%25以上。
