(,232038)[]TQ443[]B[]100429932(2001)0520029202[]2001203216[](1970-),,,;;;,80,ISEP(),(1),,,;(2),50%90%,;(3),;(4),;(5)1,,,,,,,,,,:(),1(1):,,1ISEP(2):,,(3):,PE()(4):PLC,AC,,2,,,,6,2(20),6520019M2SizedNitrogenousFertilizerProgressNo15Sep12001©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(13):,,(46):,(K+),H+HCl,7%,KCl,HCl(78):HCl,,(912):K+,HCl(1820)(1317):HNO3,K+,H+,KNO3(1820):78,KNO3,3121%KNO3ISEP,:26:56:23:715:01777t:01666t:100t:6t:110kWhISEP:2215:60:2115:1015:0179t:0183t:100t:719t:100kWh,:21:21:12:67:01858t:01855t:110t:8t:110kWh,:,,,,035©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.