Sulfate-type saline resource and development prospect of chloride-free potash fertilizer in China;
中国硫酸盐型盐湖资源及无氯钾肥开发展望
The chloride-free potash fertilizer include potassium sulphate,potassium nitrate,potassium dihydrogen phosphate and so on.
我国目前生产的无氯钾肥主要有硫酸钾、硝酸钾和磷酸二氢钾等。
The paper indicts the present various kinds of the technologies of manufacturing the chloride-free potash fertilizer, especially K 2SO 4, and on the basis forecasts the future trend of studying and making K 2SO 4 in our nation.
介绍了当前我国无氯钾肥 (特别是硫酸钾 )的生产现状及各种工艺 ,在此基础上展望我国硫酸钾生产和研究的方向 ,并提出一条新的路线———热复分解升华法制硫酸钾 。
The utilization of straw and chemical potassium in rice\|wheat rotation system,respectively,was studied by means of a pot experiment.
采用盆栽试验 ,研究秸秆钾和化肥钾两种不同来源的钾素在作物和土壤中的吸收利用情况。