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| 棕壤不同容重对玉米根系生长的影响 | |
| 引用本文： | 刘小梅,依艳丽,郑存德. 棕壤不同容重对玉米根系生长的影响[J]. 黑龙江农业科学, 2011, 0(8): 27-31 |
| 作者姓名： | 刘小梅 依艳丽 郑存德 |
| 作者单位： | 沈阳农业大学土地与环境学院/辽宁农业资源与环境重点实验室,辽宁沈阳,110866 |
| 摘 要： | 为棕壤地区建设高产稳产玉米田和完善土壤肥力评价体系,进行了棕壤不同容重对玉米根系生长的试验研究。结果表明：在土壤有机质较低时,翻耙、旋耕或深松等物理机械耕作虽然可以创造播种前的较低容重条件,但是随着土壤的自然沉实,土壤容重在苗期就会迅速上升。玉米播种前的土壤容重越低,在苗期升高的幅度越大,1.101、.20 g.cm-... |
| 关 键 词： | 土壤容重 土壤有机质 根系活力 |
Effect of Different Soil Bulk Density on Maize Root Growth in Brown Soil |
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| LIU Xiao-mei,YI Yan-li,ZHENG Cun-de. Effect of Different Soil Bulk Density on Maize Root Growth in Brown Soil[J]. Heilongjiang Agricultural Science, 2011, 0(8): 27-31 | |
| Authors: | LIU Xiao-mei YI Yan-li ZHENG Cun-de |
| Affiliation: | (Land and Environmental College of Shenyang Agricultural University/Key Laboratories of Agricultural Resources and Environment of Liaonig,Shenyang,Liaoning 110866) |
| Abstract: | The effect of different soil bulk density on maize root growth in Brown soil through pot experiment was studied to construct high yield maize field and perfect evaluation system of soil fertilizer.The results showed that when the organic matter content wa |
| Keywords: | soil bulk density soil organic matter root vigor |
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