您要查找的是不是：
- Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content. 秸秆还田增加了土壤全氮和无机氮含量。
- By analyzing the faults of the traditional types of reamers used for straw returning machine, a new scourge-type reamer was developed. 摘要针对现有秸秆还田机刀具性能的不足，研制了鞭式刀具。
- Li G T, Zhao Z J, Huang Y F, Li B G.Effect of straw returning on soil nitrogen transformation [ J].Plant Nutrition and Fertilizer Science,2002, 8(2): 162-167. [1]李贵桐;赵紫娟;黄元仿;李保国.;秸秆还田对土壤氮素转化的影响[J]
- The contents of available N, K in the different growth stages of later-rice under different patterns of straw returning to field (SRF) were tested respectively in the experiment. 设计了高桩翻耕抛栽、覆盖免耕抛栽和高桩免耕抛栽3种模式的田间小区试验。
- The results showed that the values of N2O emissions were ranked in the order of straw mulching>without straw returning (control)>straw incorporating>straw burning. 结果表明，不同稻秆还田方式麦田N2O排放量为：表面覆盖＞对照（不施稻秆）＞均匀混施＞原位焚烧。
- A field experiment was carried out to study the effects of three different rice straw returning methods (straw mulching, straw burning and straw incorporating) on N2O emissions from wheat field. 摘要通过田间试验研究了3种稻秆还田方式（表面覆盖、均匀混施和原位焚烧）对麦田N2O排放的影响。
- tobacco straw returning to the fields 烟杆还田
- The last of these rows seems to have been the last straw. 这场口角看来是彻底破裂的导火线。
- Design and Experiment of Whole Rice Straw Returning Machine 水稻秸秆整株还田机的设计与试验
- Research of Scourge-type Reamer Used for Straw Returning Machine 秸秆还田机鞭式刀具的研究
- The bird is building a nest of straw and twigs. 这只鸟在用稻草和小树枝筑巢。
- She was drinking juice through a straw. 她正在用吸管喝果汁。
- I don't care a straw for you opinion. 我对你的意见毫不介意。
- A straw vote only show which way the hot air blow. 测验民意的假投票只不过在表示法螺吹向何方而已。
- A straw will show which way the wind blows. [谚]草动知风向。
- I don't care a straw for your opinion. 我一点都不在乎你有什么看法。
- Tom didn't bargain on his wife returning so soon. 汤姆没有想到他妻子会回来得这麽快。
- The force of his fall was broken by the straw mat. 草垫的缓冲作用减弱了他下跌的力量。
- I buy him a drink in return for his help. 我请他喝酒以酬谢他的帮助。
- A hat made of finely woven straw. 曼谷草编帽一种精细的草编帽子
