When the fertilizer application rate was N 337.5 kg/hm~2 and K_2O 337.5 kg/hm~2,and the lower and upper limits of irrigation were 40 kPa and 6 kPa respectively,the yield of tomato was the highest and the fruit quality was preferable.
Meanwhile, SC27 could increase the contents of 17 amino acids, especially the contents of essential amino acids for human body, and also raised the contents of protein, carbohydrate, Vc, P, Ca, Fe, Zn in fruit, thus the fruit quality was improved.
After our country joins WTO, facing the domestic and international fruit markets, there is not only the challenge but also the opportunities, only forming optimizing the structure of seeds rationally, improving fruit quality, implement produce standardization, developing post-harvest industry, perfection agricultural science technology popularization system, exploring world market constantly, we could promote the sustainable development of the fruit industry of our province
Affected by the covering film, the inside transmittance was only to 65%～80%. In the greenhouse, the fruit quality was affected by the decrease of the time and quality of the sunlight, photosynthetic efficiency and unreasonable constructions, etc. It was significant to choose proper films and strengthen protection, as well as choose reasonable cultivation facilitates and supplementing sunlight measures.