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《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2012年10期

Page:

28-32

Research Field:

Publishing date:

Info

Title:

Study on Growth,Physiology and Yield of Different Tomato Varieties with Supplying Nutrient Solution by Negative Pressure Irrigation

Author(s):

MAO Si-shuai ¹; 2; LI Yu-ning²; HU Yue-gao²; XUE Xu-zhang¹; WU Xin-yan ¹; 3; CHEN Fei¹

1.National Research Center for Intelligent Agricultural Equipments,Beijing 100097;
2.College of Agronomy and Biotechnology,China Agricultural University,Beijing 100193;
3.Department of Environment Science,Agricultural University of Hebei,Baoding,Hebei 071000

Keywords:

negative pressure irrigation; tomato varieties; yield; productive efficiency of nutrient solution

PACS:

S 641.2

DOI:

-

Abstract:

To further improve the application of the negative pressure irrigation device on tomato production so as to increase the yield of tomato and raise productive efficiency of nutrient solution，the negative pressure irrigation technique were employed with supplying optimized nutrient solution to the 6 cultivars，to be specific‘Feitian’，‘420’，‘Hart’，‘Rabbi’，‘Sally’，and ‘Jinpeng’，and selected the cultivar with strong，resistant to disease，high productive，and high productive efficiency of nutrient solution.The results showed that under the nutrient solution from negative pressure irrigation，‘Sally’ grew the best；‘Hart’ and ‘420’ was weak.In terms of physical signs，‘Sally’，and ‘Jinpeng’ showed high net photosynthetic rate.While transpiration rate of ‘Jinpeng’ and ‘420’ was relatively high.the SPAD value of ‘Sally’ was highest while the SPAD value of ‘Hart’ was the lowest.Fruit yield of ‘Sally’ was the highest；‘Rabbi’，‘Jinpeng’ and ‘Feitian’ follow；‘420’ were the low and ‘Hart’ was the lowest.On the aspect of the production efficiency of nutrient solution，‘Rabbi’，‘Sally’，‘Feitian’ and ‘Jinpeng’ had the same effect；‘420’ and ‘Hart’ showed lower effect.Considered all of the elements mentioned above，‘Sally’ had the best achievement when applying this kind of irrigation.

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