Technology
A comparison of the fertilizer efficiency of the demonstration user Xia Xianglei Jin Dashengyuan chelated Fertilizer in Liujing Village, Peiqiao Town, Yongcheng City, Henan Province
Last： A comparison of the fertilizer efficiency of Jin Dashengyuan chelated fertilizer by demonstration user Sun Hongling in Liuyuan Village, Wolong Township, Yongcheng City, Henan Province
Next： A comparison of the fertilizer efficiency of Baodejun Jin Dashengyuan chelated Fertilizer, a demonstration user in Shanhe Village, Huangtukan Town, Donggang City, Dandong City, Liaoning Province
