Experiments on Dripping Irrigation under Mulching in the Vineyard of Arid Desert Area of Gansu Corridor

Soil moisture of two different treatments were determined.The result showed that treatment I need 18 times less of irrigation than treatment II and 395 m3/hm2 less of water than quota given.The growth of vine have no difference between two treatments but treatment I have deeper roots,10cm deeper than treatment II.There are less weeds growing through treatment I than through treatment II.In winter,vine twigs with treatment I have better liginification before winter over than with treatment II,and also sprout much more quickly.Soil moisture test showed that treatment I can save irrigation water 12% over treatment II and 60% over the conventional irrigation method.