论文部分内容阅读
石河子垦区今年才开始推广液氨施肥,为了观察液氨施肥的效果,我们作了小区试验。一、试验内容及方法试验内容:(一)液氨同固体氮肥肥效及经济效益的比较。固体氮肥有尿素、硝酸铵和碳酸氢铵,在等氮量的条件下进行试验。即亩用纯氮素30斤,折算液氨为36.5斤、尿素65.2斤、硝酸铵为88.2斤、碳酸氢铵为176.5斤。试验处理分为五个:对照区、液氨区、尿素区、硝酸铵区和碳酸氢铵区。(二)液氨施用量试验分为:低量区(10斤/亩),中量区(20斤/亩),高量区(40斤/亩),最高量区(60斤/亩),再加对照,共计五个处理。(三)液氨同磷肥用量比例试验。
Shihezi reclamation area began to promote liquid ammonia fertilizer this year, in order to observe the effect of liquid ammonia fertilization, we made a plot test. First, the test content and methods Test content: (a) liquid ammonia with solid nitrogen fertilizer efficiency and economic benefits comparison. Solid nitrogen fertilizers are urea, ammonium nitrate and ammonium bicarbonate, and are tested under isocratic nitrogen conditions. Namely mu with pure nitrogen 30 pounds, liquid ammonia conversion is 36.5 pounds, 65.2 kg of urea, ammonium nitrate is 88.2 pounds, ammonium bicarbonate is 176.5 pounds. Test treatment is divided into five: control area, liquid ammonia area, urea area, ammonium nitrate and ammonium bicarbonate area. (B) The liquid ammonia application test is divided into: low volume (10 kg / acre), medium volume (20 kg / acre), high volume (40 kg / acre) , Plus control, a total of five processing. (C) liquid ammonia with the proportion of phosphate fertilizer test.