He found a progressive decline in pollination over the years which was most pronounced early in the flowering season.
他发现这些年来开花授粉逐步下降，尤其是在开花季节早期最为明显。
Flowering Season: Summer, Fall (early).
开花季节：夏，秋季(早期)。
Spraying soybeans by different densities of paclobutrazol in early flowering and profuse flowering season, the result showed that, chl and Pr antents were increased;
在大豆始花和盛花期用不同浓度的多效唑喷施全株，结果表明：处理后，大豆叶片叶绿素含量、可溶性蛋白质含量增加；
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