播量与秧龄对优质常规水稻黄华占机械育秧秧苗素质的影响
Shaanxi Journal of Agricultural Sciences(2022)
Abstract
以优质水稻品种黄花占机械育苗为研究对象,探讨在陕西汉中4月20日左右播种育时播量与秧龄对秧苗素质的影响.结果表明:在陕西汉中地区,4月20日左右播种,黄花占机械育秧秧龄在25 d左右,每平方厘米播1.8~2.4粒稻种较为适宜,秧苗素质利于机械插秧,此时,苗高12~14 cm,茎基宽2.4~3.1 mm,成苗率在80%左右.
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