氮磷配施对沿海滩涂黄秋葵生长发育、产量及品质的影响

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基金项目:

盐城市农业科技创新专项引导资金项目

江苏省农业科技自主创新基金项目[CX(12)5071]

江苏省盐土生物资源研究重点实验室开放课题(JKLBS2013008)

Effect of Phosphorus and Nitrogen Fertilization on Growth,Yield and Quality of Okra Grown on Seashore Saline Soil

1. Institute of Agricultural Sciences of Jiangsu Costal Area,Observation and Experimental Station on Costal Saline land,Ministry of Agriculture;
2. Institu te of Industrial Crops,Jiangsu Academy of Agricultural Sciences

摘要: 通过田间小区试验的方法,研究氮磷配施对沿海滩涂黄秋葵生长发育、产量及品质的影响。结果表明:氮(N)肥、磷(P)肥对黄秋葵生长发育、产量及品质均具有显著效应,以N肥影响最大;当氮肥为300kg·hm-2、磷肥为160kg·hm-2时,黄秋葵产量最高,且荚果单果重、果皮光合色素含量、游离氨基酸、可溶性蛋白含量和荚果黏度达到最高值,即黄秋葵产量与整体品质较高,表明在本试验条件下,该施肥量为江苏沿海滩涂黄秋葵大田种植最佳施肥模式。
- 黄秋葵 /
- 氮磷 /
- 产量 /
- 品质 /
- 盐土
Abstract: A field experiment was conducted on saline soil to evaluate the effects of the application of phosphorus fertilizers,in combination with nitrogen,on the growth,yield and quality of okra.Significant effects were found,especially when nitrogen was applied.With the application of N 300kg·hm-2 and P 160kg·hm-2,the greatest yield,as well as the pod weight,contents of peel pigment,free amino acids and soluble protein,and viscosity of mucilage of the okra pods was obtained.The results suggested that the tested fertilization was appropriate for okra cultivation in the coastal regions in Jiangsu province.
- okra /
- phosphorus and nitrogen fertilization /
- yield /
- quality /
- saline soil