Rational application of chemical fertilizers will not reduce the quality of the herbs. From the perspective of plant nutrition, the nutrients contained in chemical fertilizers and organic fertilizers have the same effect on crop growth. Production practice has also proved this point. For example, American ginseng was introduced to China in the 1970s . Its fertilization program is fermented manure plus various fertilizers, and its yield and quality are very high.
Total 1 | <First <Prev 1 Next> Last> |
share to:
Blow Molding Screw Barrel,Molding Screw Barrel, Blow Screw Barrel,injection screw and barrel
Zhejiang Zhongsu Screw Co., Ltd. , https://www.zhongsuscrew.com