LI Ya-qin,ZHENG Gen-chang. Effect Analysis of Application of N,P and K Fertilizers on Cucumber in Winter Plastic Greenhouses [J].Northern Horticulture,2014,38(12):146-149.
冬棚黄瓜的氮磷钾肥配施效应分析
- Title:
- Effect Analysis of Application of N,P and K Fertilizers on Cucumber in Winter Plastic Greenhouses
- 文章编号:
- 1001-0009 (2014)12-0146-04
- Keywords:
- winter plastic greenhouses; cucumber; NPK fertilizer; effect analysis
- 分类号:
- S 642.2
- 文献标志码:
- A
- 摘要:
- 以“中荷10号”黄瓜为试材，采用“3414”试验设计方案，对冬棚黄瓜的NPK肥配施效应进行了分析。结果表明：随着NPK肥施用量的增加，黄瓜产量均呈先增后减趋势，符合肥料报酬递减律，增产效应为N＞P2O5＞K2O；NP、NK具有正向互作效应，而PK为反向互作效应，最高产量的N∶P2O5∶K2O配合比率为424.32∶251.01∶219.03，最高产量达57 038.23 kg/hm2，最佳种植效益的配合比率为388.16∶248.25∶159.15，可获得最佳种植效益128 215.27元/hm2；全肥区产量较高，与高N区、高P区、高K区无显著差异，且产投比相对较高，是最优处理组合。
- Abstract:
- Taking‘Sino dutch No.10’cucumber as material,application effect of NPK fertilizer on winter greenhouse cucumber was analyzed by using‘3414’test design scheme.The results showed that with the increasing of N,P,K fertilizer application,cucumber yield showed a trend of initial increasing and then decreasing,in line with the fertilizer law of diminishing returns,the yield increasing effect of fertilizer was N>P2O5>K2O;and the positive interaction effect were NP,NK,while the PK for reverse interaction effect,the maximum yield of N∶P2O5∶K2O of matching ratio was 424.32∶251.01∶219.03,the maximum yield was 57 038.23 kg/hm2,the best combining ratio of planting benefit was 388.16∶248.25∶159.15,and the best planting benefit was 128 215.27 yuan/hm2 under the combining ratio;the yield was higher in the complete fertilizer area.and there was no significant difference between the high N,P,K area,and the ratio of output to input was relatively higher,it was the optimal treatment combination.
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备注/Memo
第一作者简介：李亚芹（1981-），女，硕士研究生，研究方向为园艺作物高产栽培理论与实践。E-mail：liyaqin134@126.com.
责任作者：郑根昌(1959-)，男，本科，教授，硕士生导师，现主要从事作物高产栽培理论的教学与科研工作。
收稿日期：2014-01-24