论文部分内容阅读
(三)黄豆饼与黑豆饼肥力的比较今年政府为了照顾农民的需要,替我们运来大量黄豆饼和其他肥料。而华北农民对黄豆饼多没有使用的习惯;一般反应,认为黄豆饼不如黑豆饼,不愿与黑豆饼等价购买使用。他的理由是黑豆比黄豆油性较大。其实榨成豆饼后,豆子里的油分已大部除去,所余无几。按本所田间试验,豆油对于普通作物,是无何效果的,已于本刊上期详细谈过,所以即使黑豆饼
(C) soybean cake and black bean cake fertility comparison This year the government in order to take care of the needs of farmers, shipped us a large number of soybean cake and other fertilizers. North China peasants and soybean farmers did not use the habit of more; general reaction, that soybean cake as black bean cake, unwilling to buy and use of black bean cake equivalent. His reason is that black beans are more oily than soybeans. In fact squeezed into bean cake, the beans in the oil has been removed most of the remaining. According to the field test of this field, soybean oil has no effect on common crops and has been discussed in detail in this issue, so even if the black bean cake