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半夏高产繁殖栽培技术研究

2013-04-29王海玲,王孝华,阮培均,梅艳,张俊,赵明勇

湖北农业科学 2013年5期
关键词:磷肥半夏氮肥

王海玲,王孝华,阮培均,梅艳,张俊,赵明勇

摘要:通过不同播种密度及氮肥、磷肥施用量对半夏产量的影响研究,为半夏(Pinellia ternata)高产繁殖栽培技术提供依据。采用3因子5水平二次通用旋转组合设计方法进行试验。结果表明,3个试验因子对半夏块茎产量影响的重要程度从大到小为播种密度、P2O5施用量、N施用量。建立了各因素与半夏块茎产量的数学模型,通过对模型解析和模拟寻优,提出半夏块茎产量≥2 700 g/m2和半夏块茎产量≥3 100 g/m2的优化栽培方案。

关键词:半夏(Pinellia ternata);高产;密度;氮肥;磷肥

中图分类号:S567 文献标识码:A 文章编号:0439-8114(2013)05-1073-04

Study on Cultivation Technique of High-Yielding Multiplication for Pinellia ternata

WANG Hai-ling,WANG Xiao-hua,RUAN Pei-jun,MEI Yan,ZHANG Jun,ZHAO Ming-yong

(Agriculture Science Institute of Bijie Prefecture of Guizhou Province, Bijie 551700, Guizhou, China)

Abstract: In order to provide a basis for high-yielding cultivation technique of Pinellia ternata, effects of planting density and respective applications of organic, nitrogen and phosphate fertilizer on the yield of P. ternate were studied. 5-level quadratic currency rotational combinational method adopted on the 3 factors was performed. It indicated that the planting density was the most important factor restricting the tuber yield of P. ternata, application of phosphate fertilizer was the second one and application of nitrogen fertilizer was the last one. And then a mathematic model was built between the 3 factors and the tuber yield of P. ternata. Using model analysis and simulation optimization, an optimum cultivation schemes about the tuber yield of P. ternata more than 2 700 g/m2 and 3 100 g/m2 were proposed.

Key words: Pinellia ternata; high-yielding; density; nitrogen fertilizer; phosphate fertilizer

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