Effects of two soil improvers on maize growth and yield in northern Shaanxi arid region
LI Xiao-wei, BAI Chun-mei, TIAN Li, LI Xiao-tao
HUBEI AGRICULTURAL SCIENCES . 2019, (8): 64 -66 .  DOI: 10.14088/j.cnki.issn0439-8114.2019.08.014