种植密度对不同类型玉米青贮产量和营养价值的影响
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庄克章,吴荣华,张春艳,徐立华,徐相波,丁一,王振南
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Effects of Density on Yield and Nutritional Value of Different Types of Silage Maize
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Kezhang Zhuang,Ronghua Wu,Chunyan Zhang,Lihua Xu,Xiangbo Xu,Yi Ding,Zhennan Wang
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表2 密度对两个青贮玉米品种粗蛋白、粗脂肪含量及其产量的影响
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Table 2 Effects of density on crude protein, crude fat content and yield of two silage maize
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品种 Variety | 密度(株/hm2) Density (plant/hm2) | 粗蛋白含量(%) Crude protein content | 粗脂肪含量(%) Crude fat content | 粗蛋白产量(kg/hm2) Crude protein yield | 粗脂肪产量(kg/hm2) Crude fat yield | 雅玉8号Yayu 8 | 60 000 | 8.26a | 6.66a | 1 552ab | 1 227a | | 75 000 | 8.12a | 6.31ab | 1 635a | 1 250a | | 90 000 | 7.94a | 6.00b | 1 442b | 1 091b | | 105 000 | 7.75a | 5.36c | 1 323c | 915c | 登海605 Denghai 605 | 60 000 | 9.98a | 7.05a | 1 658a | 1 171b | | 75 000 | 8.95b | 6.78a | 1 697a | 1 286a | | 90 000 | 8.55bc | 6.76a | 1 549b | 1 226ab | | 105 000 | 8.15c | 6.18b | 1 413c | 1 072c |
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