YE Lin,ZHAO Xia,NA Xuewei,et al.Effect of Water-Fertilizer Coupling on Muskmelon Photosynthesis and Yield in Greenhouse[J].Northern Horticulture,2016,40(01):34-38.[doi:10.11937/bfyy.201601009]
水肥耦合对日光温室厚皮甜瓜光合速率及产量的影响
- Title:
- Effect of Water-Fertilizer Coupling on Muskmelon Photosynthesis and Yield in Greenhouse
- 文献标志码:
- A
- 摘要:
- 为了探讨日光温室甜瓜水肥耦合效应，试验采用3因素5水平二次回归正交旋转组合设计，对灌水量、施氮量、施钾量与日光温室甜瓜光合速率和产量的相关性进行了研究，并建立了数学模型。结果表明：甜瓜光合速率、产量与灌水量、施氮量、施钾量呈正相关，3因素对光合速率和产量的影响程度大小同为：X1＞X2＞X3，即灌水量＞施氮量＞施钾量。当灌水量、施氮量、施钾量分别为2 250 m3/hm2、600 kg/hm2、450 kg/hm2时，光合速率最高可达12.24 μmol?m-2?s-1，甜瓜产量最高可达70 272.58 t/hm2。灌水量、施氮量和施钾量对甜瓜叶片光合速率和产量影响的趋势基本一致，二者呈显著正相关。数学模型拟合较好，可用于指导日光温室甜瓜生产。
- Abstract:
- To study effect of water and fertilizer coupling on musk melon in solar greenhouse,with 3 factors and 5 levels quadratic regression orthogonal rotational combination design，irrigation，application amount of nitrogen and potassium application rate and muskmelon in solar greenhouse photosynthetic rate and yield correlation were studied，and a mathematical model was established.The results showed that the photosynthetic rate，yield and irrigation amount，nitrogen application rate and amount of potassium fertilizer were positively correlated.The effect of 3 factors on photosynthetic rate and yield was：X1>X2>X3.When the irrigation amount，the amount of N and K were 2 250 m3/hm2，450 kg/hm2 and 600 kg/hm2，the photosynthesis rate was 12.24 μmol?m-2?s-1，the yield of the melon was up to 70 272.58 t/hm2.The effect of irrigation，nitrogen fertilizer and potassium application on the photosynthetic rate and yield of melon leaves were consistent，and the two had a significant positive correlation.The mathematical model could be used to guide the production of melon in greenhouse.
参考文献/References:
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备注/Memo
第一作者简介：叶林（1977-），男，蒙古族，内蒙古阿拉善左旗人，硕士，讲师，现主要从事设施园艺与蔬菜生理生态等研究工作。E-mail：yelin.3993@163.com.基金项目：宁夏大学校级自然科学基金资助项目（ZR1452）；2014宁夏大学课程建设资助项目。