| 不同耕作方式对土壤水分、干物质积累 及玉米产量的影响 |
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| 引用本文： | 吕巨智,范继征袁钟昌松,石达金,程伟东,刘永红,闫飞燕.不同耕作方式对土壤水分、干物质积累 及玉米产量的影响[J].广东农业科学,2014,41(16):4-8. |
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| 作者姓名： | 吕巨智 范继征袁钟昌松 石达金 程伟东 刘永红 闫飞燕 |
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| 作者单位： | 1. 广西农科院玉米研究所,广西南宁,530227
2. 四川省农科院作物研究所,四川成都,610066 |
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| 基金项目： | 国家现代农业产业技术体系南宁玉米综合试验站项目，广西科学研究与技术开发项目 |
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| 摘 要： | 针对广西玉米主产区土壤耕层变浅、犁底层坚硬的问题,以当地习惯的耕作方式旋耕为对照,设置深松35 cm+免耕、深松35 cm+旋耕、深松25 cm+免耕、深松25 cm+旋耕和免耕6种不同耕作方式,分析不同处理对土壤水分、干物质积累及玉米生长发育的影响.结果表明:深松处理均能提高土壤含水量,其中以深35 cm+旋耕和35cm+免耕的保墒效果最佳;深松处理均增加了叶面积、根冠比;而深松处理的产量构成因素均较对照有不同程度的改善.在研究设定的6种耕作措施中,以深松35 cm+旋耕为最优组合.
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| 关 键 词： | 玉米 耕作方式 土壤水分 产量 |
Effects of different tillage managements on soil moisture and growth and development of maize |
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| LYU Ju-zhi,FAN Ji-zheng,ZHONG Chang-song,SHI Da-jin,CHENG Wei-dong,LIU Yong-hong,YAN Fei-yan.Effects of different tillage managements on soil moisture and growth and development of maize[J].Guangdong Agricultural Sciences,2014,41(16):4-8. |
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| Authors: | LYU Ju-zhi FAN Ji-zheng ZHONG Chang-song SHI Da-jin CHENG Wei-dong LIU Yong-hong YAN Fei-yan |
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| Abstract: | The characters of Liaoning province the main maize production region are that soil layer shoal and plow pan is hard. According to the characters, 5 tillage managements were designed to study effects of different tillage managementson soil moisture and development of maize. CK is the rotary tillage, the others are 35 cm sub soiling depth and notillage, 35 cm sub soiling depth and rotary tillage, 25 cm sub soiling depth and no- tillage, 25 cm sub soiling depth androtary tillage. The results showed that soil water contents of different tillage manage-ments were all higher than CK. Among
of which the 35 cm sub soiling depth and no-tillage and 35 cm sub soiling depth and rotary tillage in the fall were moresignificant. All the tillage managements increased the leaf area, the root/shoot ratio,Otherwise, after the subsoiling treatment, maize yield components than CK. Among them, the combination of 35 cm sub soiling depth and rotary tillage is
the most optimal. |
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| Keywords: | maize cultivation methods soil water content yield |
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