Scientia Agricultura Sinica ›› 2016, Vol. 49 ›› Issue (21): 4179-4191.doi: 10.3864/j.issn.0578-1752.2016.21.012

• HORTICULTURE·STORAGE·FRESH-KEEPING·PROCESSING • Previous Articles     Next Articles

Effect of Furrow Irrigation Pattern and Irrigation Amount on Comprehensive Quality and Yield of Greenhouse Tomato

LI Hong-zheng, CAO Hong-xia, GUO Li-jie, WU Xuan-yi   

  1. Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Area of Ministry of Education, Northwest A&F University, Yangling 712100, Shaanxi
  • Received:2016-04-19 Online:2016-11-01 Published:2016-11-01

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Abstract: 【Objective】This study aims at exploring the effects of different furrow irrigation patterns and irrigation amounts on the comprehensive quality, yield, irrigation water use efficiency (IWUE) and comprehensive benefit of greenhouse tomato, optimizing the furrow irrigation pattern and irrigation amount of greenhouse tomato in northwest China, so as to provide a scientific basis for sustainable development of greenhouse tomato in the region. 【Method】Common furrow irrigation (CFI) and alternative furrow irrigation (AFI) were set as two furrow irrigation patterns. Based on the cumulative evaporation from a 20 cm diameter pan between two irrigations (E), 0.6E, 0.8E, 1.0E, 1.2E were set as four different levels of irrigation amount. The quality of tomato was evaluated comprehensively by principal component analysis (PCA) and grey correlation analysis (GCA). Principal components scores and grey weighted correlation degrees were regarded as the comprehensive quality of tomato. Weight values of comprehensive quality, yield and IWUE were calculated by the coefficient of variation method. Then, TOPSIS method was used to evaluate the comprehensive benefits of all irrigation treatments. 【Result】Tomato quality was affected by both furrow irrigation pattern and irrigation amount. The evaluation results of PCA and GCA were not completely consistent. However, both PCA and GCA acquired that tomato quality under AFI-0.6E and AFI-0.8E treatments were the best. Yield of AFI-0.6E treatment decreased by 22.56% while it just decreased by 9.42% under AFI-0.8E treatment compared to AFI-1.2E treatment which acquired the most yield. While, the IWUE of AFI-0.6E and AFI-0.8E had no significant difference. The result of TOPSIS showed that AFI-0.8E treatment had the largest comprehensive benefit. 【Conclusion】 AFI coupling with the irrigation amount of 0.8E could improve the quality of tomato and guarantee the yield and IWUE, consequently generate the largest comprehensive benefit. It was the optimal combination of furrow irrigation pattern and irrigation amount.

Key words: greenhouse tomato, furrow irrigation pattern, irrigation amount, comprehensive quality evaluation, yield, IWUE

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