He found a progressive decline in pollination over the years which was most pronounced early in the floweringseason.
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。
2
FloweringSeason: Summer, Fall (early).
开花季节：夏，秋季(早期)。
3
Spraying soybeans by different densities of paclobutrazol in earlyflowering and profuse flowering season, the result showed that, chl and Pr antents were increased;