南方水田少(免)耕法研究报告
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STUDY OF MINIMUM AND NO TILLAGE ON PADDY SOILS IN SOUTH CHINA
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    摘要:

    三年来,在黄粘土、砂壤土实行少(免)耕法栽培水稻,均有普遍的增产趋势.少(免)耕不翻乱土层,保持了土体的原状稳态结构,增强了抗逆外来的不良环境,稳定和协调了土壤肥力,这对促进水稻早发,稳长具有重要意义.水田渍水耖耙是造成土壤结构破坏、粘闭,影响根系活力和作物产量的主要原因.因此水田必要的耕作应尽可能采取干耕干耙,以不翻乱土层为原则,同时必须以种植制度为主体,采取不同耕法的有机配合,以建立良性生态循环、用养结合、低耗高效的土壤耕作新体系.

    Abstract:

    Experiments of minimum and no tillage an clayey and sand loamy paddy soils were conducted in the farms north of the Yangtze River in Jiandsu from 1981 to 1984. Resalts of the experiments showed that the rice on the two soils under conditions of minimum and no tillage tended to be increased in yield, as compared with the soils under condition of conventional tillage; the loosenes of the soils could not be loept so long efter tillage, while appropriate compactness of the soils was conducive to migration and diffusion of nutrients and their absorption by crop roots in soil;minimum and no tillage was favorable for maintenance of stable structures in soil, resistance of the crops against the harmful condition and coordinatibn of the factors affecting the soil fertility.

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邵达三,黄细喜,陶嘉玉,王万源,严家瑞,许健.南方水田少(免)耕法研究报告[J].土壤学报,1985,22(4):305-319. Shao Dasan, Huang Xixi, Tao Giayu, Wang Wanyuan, Yah Jiarui, Xu Jian. STUDY OF MINIMUM AND NO TILLAGE ON PADDY SOILS IN SOUTH CHINA[J]. Acta Pedologica Sinica,1985,22(4):305-319.

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  • 在线发布日期: 2013-02-25
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