EFFECT OF FARMLAND SURFACE COVERED POROUS MULCH MATERIALS ON SOIL WATER, HEAT AND WATER USE EFFICIENCY OF MAIZE - L. S. Feng; Z. X. Sun; C.R. Yan; M. Z. Zheng; J. M. Zheng; N. Yang; W. Bai; C. Feng (Journal of Animal and Plant Sciences, 2015)