| 耕作制对紫色水稻土铁锰铜锌形态的影响研究 |
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| 引用本文： | 杨剑虹,魏朝富.耕作制对紫色水稻土铁锰铜锌形态的影响研究[J].西南农业大学学报,1992,14(6):471-476. |
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| 作者姓名： | 杨剑虹 魏朝富 |
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| 作者单位： | 西南农业大学土化系，西南农业大学土化系，西南农业大学土化系 |
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| 摘 要： |
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| 关 键 词： | 耕作制度 铁 锰 铜 紫色土 水稻土 |
EFFECTS OF CROPPING SYSTEMS ON THE MORPHOLOGICAL FEATURES OF IRON,MANGANESE,COPPER AND ZNIC IN PURPLE PADDY SOLL |
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| Yang Jionyhong,Wuchaofu,Xie Deti Dept. of Soil Scicnce and Agrochemistry,SWAU.EFFECTS OF CROPPING SYSTEMS ON THE MORPHOLOGICAL FEATURES OF IRON,MANGANESE,COPPER AND ZNIC IN PURPLE PADDY SOLL[J].Journal of Southwest Agricultural University,1992,14(6):471-476. |
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| Authors: | Yang Jionyhong Wuchaofu Xie Deti Dept of Soil Scicnce and Agrochemistry SWAU |
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| Abstract: | Compared with the traditional cropping system,ridge cropping or paddy-upland rota- tion resulted in a decrease in the contents of water soluble,exchangeable,reducible Mn-combined,carbonate-combined,organic matter-combined and amorphous Mn-combined Fe,Mn,and Cu in purple paddy soil,and in a relative increase in the re- mainders of these minerals.Consequently,the providibility of Fe,Mn and Cu dropped un- der the new cropping systems.On the other hand,exchangcable and reducible Mn-com- bined Zn increased in different degrees,thus improving the providibility of Zn in the soil. An adsorption-enrichment effect of organic matter,reducible Mn and amorphous Fe on Fe,Mn,Zn and Cu was observed in the soil. |
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| Keywords: | purple rice soils iron manganese copper zinc farming systems |
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