{{cite journal | last1=Li | first1=M. | author2=Y. J. Xu | author3=H. Wang | author4=L. Y. Yuan | author5=X. R. Wang | author6=J. Z. Li | author7=D. J. Zhang | author8=F. X. Huang | year=2022 | title=STUDY ON SOIL QUALITY CHARACTERISTICS AND SPATIAL DIFFERENCE OF THE WALNUT PRODUCING AREA IN HUBEI PROVINCE OF CHINA | journal=Journal of Animal and Plant Sciences | volume=32 | issue=6 | pages=1682-1690 | doi=10.36899/JAPS.2022.6.0576 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=AG-21-0269}}