With exception of soils that are cold and wet at planting time, no evidence exists that surface broadcasting of potassium fertilizer is not an adequate method of fertilization under reduced tillage.
除非在播种时土壤寒冷潮湿,没有证据表明在少耕制下钾肥地表撒施是一种不适当的方法。
Roundup of Technological Advances in Medium and Small Wet Phosphoric Acid and Phosphate Compound Fertilizer Plants
中小型湿法磷酸和磷复肥装置技术进步综述
ammonia volatilization loss of nitrogen fertilizer from rice field and wet deposition of atmospheric nitrogen in rice growing season
稻田氮肥的氨挥发损失与稻季大气氮的湿沉降
It's a economical way to make compound fertilizer named Potassium Phosphate, Using carnallite and wet phosphoric acid by double decomposition reaction.
用光卤石和湿法磷酸通过复分解反应生产磷钾复合肥料是较经济的方法。
英语网 · 双语娱乐资讯
英语网 · 初中英语作文
英语网 · 双语新闻