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两熟棉田,在底肥每亩施棉饼一百斤、钙镁磷肥五十斤的基础上,追肥每亩用五十斤硫酸铵,究竟怎样追施才能最有利于棉花壮苗早发,稳长多桃,早熟不早衰,保证棉花增产丰收?为了摸索这方面的经验,一九七三年汉阳县奓山公社农科所进行了试验。该所在追肥上进行了四种不同的处理,每亩密度四千一百六十株,试验结果,同样的追肥数量,由于采取了不同的追肥时间、次数与用量,棉株的座桃与产量就
Two cotton fields, fertilizer at the end of each application of cotton cake 100 jin, 50 kilograms of calcium magnesium phosphate on the basis of 50 kg per acre with top dressing ammonium sulfate, how topdressing the most conducive to cotton seedlings early onset, stable Long peaches, precocious premature failure, to ensure that cotton yield increase harvest? In order to explore this experience, in 1973 Hanyang County Hill Hill commune agricultural experiment. The top dressing on the four different treatment, the density of 4,160 acres per acre, the test results, the same number of top dressing, due to take a different top dressing time, frequency and amount of cotton peach and yield on