论文部分内容阅读
材料和方法 本文报道了在旁遮普邦1978—1979年和1979—1980年取得的田间试验结果。处理设有磷、钾肥的三个施用量,即17公斤P/公顷(P17);26公斤P/公顷(P26);和26公斤P/公顷+25公斤K/公顷(P26+K25)。3种施肥方式:直接施于花生的效应;施于前作小麦的磷和钾的残效;以及小麦、花生都施磷、钾肥的累积效应。以两种作物都不施磷、钾肥作为对照。每个主区分为三个部分,小麦随机施50、
Materials and Methods This article reports the field test results obtained in 1978-1979 and 1979-1980 in Punjab. Three applications of phosphorus and potassium fertilizers were processed, ie 17 kg P / ha (P17); 26 kg P / ha (P26); and 26 kg P / ha + 25 kg K / ha (P26 + K25). Three kinds of fertilization methods: the direct application of peanut effect; applied to wheat before the phosphorus and potassium residues; and wheat, peanuts are phosphorus, potassium accumulation effect. The two crops are not phosphorus, potassium as a control. Each main division is divided into three parts, 50 wheat randomly,