Taking pigment pepper American Red as the research subject, the thesis studies on the influence of scale irrigation on the growth, production and physiological index of pigment pepper under the arid conditions in Inland areas of Gansu Province (Liangzhou District, Wuwei City as the typical area). The result shows that:
1. Under mulched drip irrigation,20~45m3/667m2 scale irrigation has no notable effect on the height and stem diameter of pigment pepper while under strip irrigation, the same am...