This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.
玻璃微量元

,是以玻璃为主要原
,
人适量的微量元
,经

成为熔融状态后,发生固相反应,即生成玻璃微量元

。





记第一季
在太阳底下是会


