种植密度对不同类型玉米青贮产量和营养价值的影响
庄克章,吴荣华,张春艳,徐立华,徐相波,丁一,王振南

Effects of Density on Yield and Nutritional Value of Different Types of Silage Maize
Kezhang Zhuang,Ronghua Wu,Chunyan Zhang,Lihua Xu,Xiangbo Xu,Yi Ding,Zhennan Wang
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
Table 2 Effects of density on crude protein, crude fat content and yield of two silage maize
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