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Effects of Different Tillage Methods on Chilling Resistance of Maize 被引量:5

不同耕作方法条件下玉米抗御低温冷害的研究(英文)
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摘要 [Objective] Aiming at chilling damage of maize in lowland of western Liaoning, the powerful evidences of resisting chilling damage of maize were provided from tillage method perspective.[Method] The depths of plough layers, sunshine effects in seedling stage, resistances to frost damage, microclimatic effects such as soil moisture, root system in filling stage, growth periods and grain weights of maize planted on ridge and in furrow were comparatively observed. The random arrangement was adopted in comparative observation with 4 replications.[Result] The daily mean ground temperature and effective accumulated temperature of plough layer of maize planted on ridge were relatively high. In addition, the seedling stage and mature stage of maize planted on ridge were in advance, the soil moisture, root growth and seed plumpness of maize planted on ridge were good. [Conclusion] The ridge planting in lowland of western Liaoning could improve in 0-20 cm plough layer where root grew, besides that this method could also improve maize growth and development. [Objective] Aiming at chilling damage of maize in lowland of western Liaoning, the powerful evidences of resisting chilling damage of maize were provided from tillage method perspective.[Method] The depths of plough layers, sunshine effects in seedling stage, resistances to frost damage, microclimatic effects such as soil moisture, root system in filling stage, growth periods and grain weights of maize planted on ridge and in furrow were comparatively observed. The random arrangement was adopted in comparative observation with 4 replications.[Result] The daily mean ground temperature and effective accumulated temperature of plough layer of maize planted on ridge were relatively high. In addition, the seedling stage and mature stage of maize planted on ridge were in advance, the soil moisture, root growth and seed plumpness of maize planted on ridge were good. [Conclusion] The ridge planting in lowland of western Liaoning could improve in 0-20 cm plough layer where root grew, besides that this method could also improve maize growth and development.
作者 王俊国
出处 《Agricultural Science & Technology》 CAS 2008年第3期133-136,共4页 农业科学与技术(英文版)
关键词 TILLAGE MAIZE RIDGE PLANTING FURROW PLANTING Tillage Maize Ridge planting Furrow planting
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