
Effects of Different Water-biogas Slurry Integrate Irrigation Methods on the Growth, Yield and Quality of Tomato
Shi-zhi HE, Jian ZHENG
Effects of Different Water-biogas Slurry Integrate Irrigation Methods on the Growth, Yield and Quality of Tomato
To explore the effects of water-biogas slurry integrate irrigation methods under the condition of alternate partial root-zone irrigation (APRI) on the growth, yield and quality of tomato, two irrigation methods, surface irrigation (APRI-B) and hole irrigation (APRI-X) are adopted in two-season pot experiments. The results show that the irrigation method has significant influence on the growth, dry biomass distribution, yield and quality of tomato, such as APRI-X can promote the increase in plant height and stem diameter of tomato, as well as the photosynthetic rate and the formation of photosynthetic product. When compared with APRI-B, the method of APRI-X can improve the root dry biomass more than 23% and promote the roots to grow better into the deep soil and obtain a superior root-shoot ratio. Furthermore, the yield and water use efficiency (WUE) of APRI-X treatment are much higher than that of APRI-B, and the titratable acid, total soluble sugar, vitamin C, soluble protein, soluble solid and fruit firmness of tomato in APRI-X treatment are also better than that of fruits in APRI-X treatment. This indicates that the irrigation method of APRI-X can improve the taste and quality of tomato, as well as the quality for storage and transportation, which will be a good method for water-biogas slurry integrated irrigation in agriculture production.
biogas slurry / alternate partial root-zone irrigation / surface irrigation / hole irrigation / physiological and ecological index / yield and quality {{custom_keyword}} /
Tab.1 Effect of different irrigation methods on the plant and roots dry biomass of tomato表1 不同水/沼液一体灌溉方式对番茄干物质及根的影响 |
时间 | 指标 | APRI-X | APRI-B |
---|---|---|---|
2018春 | 总干物质质量/g | 91.64a | 80.87b |
地上茎秆干质量/g | 34.82a | 31.54b | |
总根干质量/g | 3.02a | 2.43b | |
根冠比 | 0.09 | 0.08 | |
果实干质量/g | 53.79a | 46.91b | |
上15 cm根质量/g | 1.87a | 1.67b | |
下15 cm根质量/g | 1.15a | 0.75b | |
根质量上/根质量下 | 1.63 | 2.23 | |
2018秋 | 总干物质质量/g | 95.46a | 85.13b |
地上茎秆干质量/g | 35.41a | 34.05ab | |
总根干质量/g | 3.15a | 2.55b | |
根冠比 | 0.09 | 0.08 | |
果实干质量/g | 56.91a | 48.52b | |
上15 cm根质量/g | 1.98a | 1.79b | |
下15 cm根质量/g | 1.17a | 0.77b | |
根质量上/根质量下 | 1.70 | 2.33 |
Tab.2 Effects of different irrigation methods on the yield, quality and water use efficiency of tomato表2 沼液灌溉方式对番茄品质、产量和水分利用效率的影响 |
时间 | 处理 | 可滴定酸/% | 可溶性总糖/% | 糖酸比 | 维生素C/ (mg·100 g-1) | 可溶性蛋白/(mg·g-1) | 可溶性固形物/% | 硬度/ (kg·cm-2) | 产量/g | 水分利用效率/(kg·m-3) |
---|---|---|---|---|---|---|---|---|---|---|
2018春 | APRI-X | 0.323a | 3.244a | 10.043 | 20.353a | 1.036a | 6.03a | 7.03a | 690a | 35.18a |
APRI-B | 0.287b | 2.875b | 10.017 | 19.136b | 0.972b | 5.85ab | 6.70b | 660b | 33.65b | |
2018秋 | APRI-X | 0.349a | 3.344a | 9.582 | 20.733a | 1.105a | 5.80a | 7.28a | 750a | 68.97a |
APRI-B | 0.311ab | 2.945b | 9.469 | 19.536b | 1.038ab | 5.62ab | 6.94b | 680b | 62.53b |
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