XU Qiong-hua,WANG Guo-wei,XU Zheng-rong.Study on A Mathematical Model for the Relationship Between Amounts of N,P,K Application and Tomato Yield in Eco-organic Soilless Culture[J].Northern Horticulture,2013,37(18):12-15.
有机无土栽培配施氮磷钾与番茄产量数学模型的研究
- Title:
- Study on A Mathematical Model for the Relationship Between Amounts of N,P,K Application and Tomato Yield in Eco-organic Soilless Culture
- 文章编号:
- 1001-0009(2013)18-0012-04
- Keywords:
- tomato; eco-organic and soilless culture; N; P and K fertilizer; yield
- 分类号:
- S 641.2
- 文献标志码:
- A
- 摘要:
- 以“金鹏一号”番茄为试材，采用三元二次回归饱和D最优试验设计方法，研究了有机无土栽培配施氮磷钾对番茄不同时期产量的影响，以期建立N、P、K肥施用量与番茄产量形成之间的方程模型。结果表明：N、P、K对番茄的早期、中期和后期产量都有明显的影响，番茄前期的最佳施肥量每次是N 0.72 g/株、P2O5 0.35 g/株、K2O 1.00 g/株时，番茄小区最高产量达16.49 kg；番茄中期的最佳施肥量每次是N 0.78 g/株、P2O5 0.29 g/株、K2O 1.30 g/株时，番茄小区最高产量达22.06 kg；番茄后期的最佳施肥量每次是N 0.74 g/株、P2O5 0.30 g/株、K2O 1.11 g/株时，番茄小区最高产量达18.01 kg。
- Abstract:
- Taking Solanum lycopersicum‘Jinpeng No.1’ as material,by the saturating D-optimal design in ternary quadratic regression,the influence of cooperation application of N,P,K in the organic and soilless culture on the yield of Solanum lycopersicum in different stages were studied,and the equation model between the application amount of N,P,K and the yield of Solanum lycopersicum were also established.The results showed that the influence of N,P,K nutrient on the yield of Solanum lycopersicum in the early,middle and late stage were obvious.In the early stage,the optimum application amount of N was 0.72 g,P2O5 0.35 g,and K2O 1.00 g each plant every time,and the highest yield was up to 16.49 kg each square.In the middle stage,the optimum application amount of N was 0.78 g,P2O5 0.29 g,and K2O 1.30 g each plant every time,and the highest yield was up to 22.06 kg each square.In the late stage,the optimum application amount of N was 0.74 g,P2O5 0.30 g,and K2O 1.11 g each plant every time,and the highest yield was up to 18.01 kg each square.
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备注/Memo
第一作者简介：徐琼华(1975-)，女，云南玉溪人，农业推广硕士，讲师，现主要从事设施园艺等课程教学与科研工作。E-mail：mami1975@126.com.
收稿日期：2013-04-15