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为了确定磷矿粉肥对水稻的肥效,1974年我们在黄坪、南棚、兴桥等大队进行了磷矿粉肥肥效的试验及调查研究。结果证明水稻施用磷矿粉肥增产效果显著。区委曾先后组织现场参观十余次,使全区施用磷矿粉肥形成了一个高潮。 一、磷矿粉肥对水稻当季的效果 磷矿粉肥对水稻当季肥效的田间试验在黄坪大队五生产队进行,试验田土壤为冲积
In order to determine the fertilizer effect of phosphate rock fertilizer on rice, we conducted experiments and investigations on the fertilizer efficiency of phosphate rock fertilizer in Huangping, Nanpeng, Xingqiao and other brigades in 1974. The results show that the application of phosphate rock phosphate fertilizer yield significantly. The district party committee has successively organized more than ten visits to the site and made the climax of the phosphate fertilizer application in the region. First, the effect of phosphate rock fertilizer on the rice season Field trials of phosphate rock fertilizer on the rice season fertilizer efficiency in Huangping Brigade five production teams, the experimental field soil alluvial