Among the 4 plant growth regulators used in this experiment, PSB was the best effective for the drought-resistance of soybean seedlings.
Among the 4 plant growth regulators used in this experiment, PSB was the best effective for the drought-resistance of soybean seedlings.
喷施宝、云大120、地中宝、福施壮4种植物生长调节剂对不同大豆品种幼苗生长的影响基本一致，以喷施宝的效果最好，其次为云大120。