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1 密度对两个青贮玉米品种果穗率、子粒占比和子粒产量的影响
Table 1 Effects of density on fruiting rate, grain ratio,and grain yield of two silage maize varieties
品种
Variety
密度(株/ hm2)
Density
(plant/hm2)
果穗率(%)
Fruiting rate
子粒占比(%)
Grain ratio
子粒产量
(kg/hm2)
Grain yield
雅玉8号 60 000 51.75a 44.06a 7 004a
Yayu 8 75 000 51.28ab 41.68b 7 226a
90 000 50.90bc 40.79b 6 281b
105 000 50.38c 40.38b 5 836c
登海605 60 000 63.60a 51.20a 7 115b
Denghai 605 75 000 59.18b 48.64b 7 948a
90 000 58.16b 47.52bc 7 448b
105 000 57.61b 46.01c 7 059b