The low rate of sowing, wide space between rows, proper amount of nitrogen and phosphorous and a timely irrigation also had good effect on seed production of sainfoin.
低播量、宽行距、施适量的氮磷肥料、适时灌溉对红豆草种子生产亦有良好的效果。
The low rate of sowing, wide space between rows, proper amount of nitrogen and phosphorous and a timely irrigation also had good effect on seed pr...