田菁粉的增产作用及其改土效应

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田菁粉是田菁种子经机器加工提取田菁胶后的下脚料,又称(豆劳)豆粉,是优质的有机肥料。它作为棉花的基肥和追肥,均可提高产量。田菁粉养分全、含量高。据分析,含全氮4.5~6.13%,全磷(p_2o_5)0.455~0.700%,全钾(k_2o)0.115~0.125%。含氮量比菜子饼、棉子饼高;含磷量则较低,含钾量低于菜子饼,而高于棉子饼。施用100公斤田菁粉肥料相当于施用115.8公斤菜子饼和155.9公斤棉子饼的用量。 Sesbania Sesbania is the seeds of Sesbania machine after the extract of Sesbania after scraps, also known as (soybean) soybean meal, is a high-quality organic fertilizer. It is used as a base fertilizer and top dressing cotton, can increase production. Sesbania nutrients all, high in content. According to the analysis, the total nitrogen 4.5 ~ 6.13%, total phosphorus (p_2o_5) 0.455 ~ 0.700%, total potassium (k_2o) 0.115 ~ 0.125%. Nitrogen content than rapeseed cake, cotton cake high; phosphorus content is lower, potassium content is lower than the rapeseed cake, but higher than cotton cake. The application of 100 kg of Senecio fertilizer amounts to 115.8 kg of rapeseed cake and 155.9 kg of cotton cake.
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