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The treatments were arranged in a split-plot design, with dairy cattle manure applied at 0 and 20 Mgha−1 as the main factor. The subplots consisted of six fertilizer treatments (NK, PK, NP, NPK, NPKMg and the unfertilized check). The four year rotation included silage corn, (Zea...
NPK 原产地 Hebei, China 分类 复合肥 别名 npk 23-10-5 6s 1z肥料 分子式 N-P2O5-K2O EINECS编号 52136-45 释放速度 可控的 状态 颗粒 用途 农业用途 品牌 Hanhao 型号 npk 23-10-5 6s 1z fertilizer 产品名称 氮磷钾复合肥 NPK 23-10-5 ...
Properties of a Central Cameroon Acrisol A study was conducted on an Acrisol in Centre Cameroon in order to evaluate the combined effects of Tithonia diversifolia (FTd) and inorganic fertilizers (NPK and Urea) on maize grain yields and soil properties. The experimental design was a randomized ...