不同播量和秧龄对机插水稻秧苗素质的影响研究

Shaanxi Journal of Agricultural Sciences(2018)

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Abstract
以机插水稻秧苗为研究对象,探讨不同播量及秧龄对机插水稻秧苗素质的影响.结果表明:在陕西汉中地区,川优6203水稻机械育秧随秧龄的增加成秧率下降.秧龄在25 d左右,盘播60~80 g稻种秧苗素质好、个体差异小,群体整齐,成秧率高;秧龄在35 d左右,盘播70 ~90 g稻种秧苗素质好、个体差异小,群体整齐,成秧率高.汉中地区,川优6203水稻机械育秧在超长秧龄情况下,不能盘播低于60 g.
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