| 施肥量与种植密度对苦瓜产量的影响 |
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| 引用本文： | 张曼,刘文君,何忠,黄凤婵,方锋学,高忠奎,汤丹峰.施肥量与种植密度对苦瓜产量的影响[J].南方农业学报,2012,43(9):1297-1301. |
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| 作者姓名： | 张曼 刘文君 何忠 黄凤婵 方锋学 高忠奎 汤丹峰 |
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| 作者单位： | 广西农业科学院蔬菜研究所,南宁,530007广西农业科学院,南宁,530007广西农业科学院甘蔗研究所,南宁,530007 |
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| 基金项目： | 广西科技攻关项目(桂科攻0537007-1-8) |
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| 摘 要： | 目的]研究不同施肥量和种植密度对不同采收阶段苦瓜产量的影响,以期提高苦瓜品质和产量,进而增加农民收益.方法]以翠中翠苦瓜为材料,采用416-B最优混合设计,探讨氮、磷、钾施用量和种植密度对苦瓜果实产量形成的影响.结果]氮与苦瓜前期产量呈极显著正相关,氮、磷、钾对苦瓜产量影响力大小依次为:氮>钾>磷;15 d内苦瓜累积产量(y1)与种植密度呈极显著正相关;15 d内苦瓜累积产量的最优氮磷钾配方为:N 304.80 kg/ha、P 148.65kg/ha、K 351.75 kg/ha,种植密度29010株/ha.结论]氮肥和种植密度是影响苦瓜前期产量形成的主要因素.
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| 关 键 词： | 苦瓜 施肥 种植密度 产量 影响 |
Effects of fertilization and planting density on yield of bitter gourd |
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| ZHANG Man,LIU Wen-jun,HE Zhong,HUANG Feng-chan,FANG Feng-xue,GAO Zhong-kui,TANG Dan-feng.Effects of fertilization and planting density on yield of bitter gourd[J].Journal of Southern Agriculture,2012,43(9):1297-1301. |
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| Authors: | ZHANG Man LIU Wen-jun HE Zhong HUANG Feng-chan FANG Feng-xue GAO Zhong-kui TANG Dan-feng |
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| Institution: | 1(1 Vegetable Research Institute,Guangxi Academy of Agricultural Sciences,Nanning 530007,China;2 Guangxi Academy of Agricultural Sciences,Nanning 530007,China;3 Sugarcane Research Institute,Guangxi Academy of Agricultural Sciences,Nanning 530007,China) |
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| Abstract: | Objective]Effects of different fertilization and planting density on bitter gourd yield at different harvesting stages were studied to improve the yield and quality of bitter gourd in order to assist in increasing farmers’ income.Method]Using Cuizhongcui bitter gourd as test material,effects of nitrogen,potassium,phosphorus,and planting density on yield of bitter gourd were evaluated based on the optimum compound design 416-B.Result]Nitrogen application rate was significantly positively correlated with bitter gourd yield at early harvesting stage.The influence degree of 3 factors on yield followed the following sequence:N > K > P.Planting density was significantly positively correlated with the accumulative yield of bitter gourd(y1)in 15 days.To achieve the highest accumulative yield of bitter gourd in 15 days,the optimal N,P,K application formula was N 304.80㎏/ha,P2O5 148.56㎏/ha,and K2O 351.75㎏/ha,with planting density of 29010 plants/ha.Conclusion]Nitrogen fertilizer and planting density were the most predominant factors affecting yield rate of bitter gourd at early harvesting stage. |
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| Keywords: | bitter gourd fertilization planting density yield effect |
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