An investigation on soil nutrient status and water content in Ziziphus jujuba cv. Lingwuchangzao orchards of main producing area in Ningxia
LI Hui, LI Bai-yun
HUBEI AGRICULTURAL SCIENCES . 2020, (7): 72 -76 .  DOI: 10.14088/j.cnki.issn0439-8114.2020.07.016