Effect of Drip Tape Irrigation on Vegetable Production in Greenhouse

The paper tested and examed the vegetable product with drip tape irrigation in greenhouse. The results show that the irrigation with drip tape under plastic mulching film can make a good ecological environment for vegetables growing, e.i., water, fertilizer, air, temperature condition, etc., and it can increase the average temperature 1.5～2℃ in 5～15 cm soil layer in greenhouse, increase the average air temperature 0.5℃, decrease air relative humidity 10 %～15 % , improve the soil performance to decrease diseases and harmness , save water , also fertilizer and chemical , advance ripe season of the vegetables. That technology is worthy to spread in greenhouse.