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1 单种和带种甜菜植株的生长为了摸清甜菜植株生长动态,我省民勤县农技站在甜菜带种试验中,定点测定了单种和带种甜菜植株。1982年6月7日～10月15日观察14次,1983年从6月10日～1
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1 单种和带种甜菜植株的生长为了摸清甜菜植株生长动态,我省民勤县农技站在甜菜带种试验中,定点测定了单种和带种甜菜植株。1982年6月7日～10月15日观察14次,1983年从6月10日～10月8日观察12次,每次取样数:1982年随机取10株,1983年20株。观察项目包括:总计叶数、绿叶数、叶鲜重和根鲜重。从两年测定的
A single species and the growth of beet-bearing plants In order to find out the dynamics of the growth of beet plants, our province Minqin County Agricultural Technology Station beet belt trials, the fixed-point determination of species and beet plants. From June 7 to October 15, 1982, 14 observations were made. From 1983 to June 10 to October 8, 12 observations were made. The number of samples per sampling period was 10 in 1982 and 20 in 1983. Observation items include: the total number of leaves, green leaves, fresh weight and root fresh weight. Measured from two years
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