【摘 要】
：
本文用回归分析法,研究了同量不同期,同期不同量追施尿素及不同量氮,磷配合作底肥对谷子产量的效应。分析结果初步明确了拔节一次每亩追施30.6斤尿素为佳。将等量尿素用于拔
【机 构】
：
延安地区农业科学研究所,延安地区农业科学研究所,延安地区农业科学研究所,
论文部分内容阅读
本文用回归分析法,研究了同量不同期,同期不同量追施尿素及不同量氮,磷配合作底肥对谷子产量的效应。分析结果初步明确了拔节一次每亩追施30.6斤尿素为佳。将等量尿素用于拔节期,抽穗期各追施1/2为最经济。氮、磷配合不必过分强调,应以氨为主,磷肥不施或少施。
In this paper, using regression analysis, the same amount of different periods, the same period different amounts of topdressing urea and different amounts of nitrogen and phosphorus as the base fertilizer on the yield of millet. The results of the preliminary analysis of a jointing 30.18 kg of urea per acre top dressing is better. The same amount of urea for jointing stage, heading time each chasing 1/2 is the most economical. Nitrogen, phosphorus do not have to be over-emphasized with ammonia-based, phosphate fertilizer applied or less.
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