Winter Greenhouse

 Origin of the Loess Plateau in China's northern Shaanxi Shuiguozhixiang - Dali County, Shaanxi Dali jujube fruit nearly round, the average weight is about 20g, fruit surface smooth and clean; pericarp thin, pale 0 ripe stage like ocher red; white flesh, taste tender crisp; sweet taste. The inherent quality of jujube contains 19 kinds of amino acids needed by the body, and A, B, C, P and other vitamins, soluble solids content of 34% -38%, the average content of vitamin C3 52mg / 100g, which is called "living vitamin pill." Origin of the natural environment Dali jujube production area located off the eastern plains, the region is a warm-humid, semi-arid monsoon climate, the average temperature of 13.4 ℃, when the number of light 2385.2 hours, annual effective accumulated temperature ≥10 ℃ 4312 ℃, light and heat abundant resources, large temperature, annual precipitation 514mm, frost-free period 212 days, the area is flat, with clay loam soil type, rich in organic matter, soil moisture is good performance, unique natural conditions very conducive jujube cultivation. Dali jujube geographical scope of the geographical scope of longitude 109 ° 43 '~ 110 ° 19', latitude 34 ° 36 '~ 35 ° 02', mainly related to Dali County clever, two should, Pham, Shuangquan, Hsu Chuang, 17 towns Ani, chaoyi, Dam Bridge, Fengcun, Chengguan, civilians, Chiu Tao, Xiazhai, Qiang white, the official pool, Su village, Waring and the like. Production area of ??10,000 hectares, with an annual 80,000 tons of fresh dates. Dali jujube cultivation of various crops mode mode diverse, greenhouses, sheds, exposed to three. Greenhouse Koupeng early January, mature in late July; Koupeng greenhouse cultivation in late February, mature in early August; open field jujube mature in late September. Every year, from late July to December jujube market, to extend the shelf life, avoiding the risk of jujube concentrated market, and improve economic efficiency.