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腐植酸铵在我县推广过程中,由于存在烧伤种苗现象,有些地方一度停止生产和使用。去年,我所在石湖沟公社下长阴子大队搞了腐铵不同施用方法的对比试验。共设单施腐铵180斤、腐铵180斤拌土540斤(1:3)、腐铵180斤拌土900斤(1:5)、腐铵540斤拌过磷酸钙180斤(3:1)和碳铵50斤等5个等氮量处理,均做口肥一次施入。玉米行距1.8尺,株距1.0尺。试验面积为0.1亩,折合每亩施底肥(猪粪)6,000斤。4月25日播种。生长过程中,
Ammonium huminate in my county to promote the process, due to the existence of burn seedling phenomenon, in some places once stopped production and use. Last year, I was in Shihugou commune under the Changyinzi brigade out of the different methods of application of the comparison test. A total of 180 sets of facilities to make a single deposition of ammonium chloride, petrifaction 180 pounds of 540 tons of mixed soil (1: 3), 180 pounds of humic ammonium mixed soil 900 pounds (1: 5), 540 pounds of powdered ammonium superphosphate 180 kg (3: 1) and ammonium bicarbonate 50 kg of nitrogen treatment such as 5, are used to make a fat manure. Corn spacing of 1.8 feet, spacing 1.0 feet. Test area of 0.1 acres, equivalent to the base fertilizer per mu (pig manure) 6,000 pounds. April 25 planting. During growth,