1 Allowable application of base fertilizer

1) Farmyard manure. There are mainly c.......

• Model NO.: See .......

First, the prevention of weeds, clear ditch drainage: weeds directly affect the growth of .......

According to foreign data reports, soybean rooting and budding stage root spray fertilizer.......

In recent years, various types of agricultural plastic film have been widely used as green.......

Symptoms of boron deficiency are generally characterized by apical growth inhibition, late.......