增效磷肥的研制与增产效应研究

A Study Made for Developing Synergist of Phosphoric Fertilizer and Its Function on Enhancement of Crop Yield

以造纸废液中回收的木质素为主要原料对高溶磷肥改性,研制的增效磷酸二铵在水中溶解平衡时间延缓1倍;在14周观察期间土壤有效磷含量提高10%—20%;两年田间实验结果,冬小麦、夏玉米产量分别提高18.5%和14.36%。

Modification of phosphoric fertilizer with lignin from waste liquor of a paper-pulp-making factory and preparing synergist of phosphoric manure were conducted in the present study. The balance time for dissolution of the phosphoric compound containing the synergist in water was found to be double compared with control. According to a 14-week period for observation, the content of activity of phosphate was heightened by about 10%— 20%. The outturns of yield for planting wheat and summer maize in two-year test increased by 18.5% and 14.36%, respectively.