STUDIES ON SPRAYING NITRATE OF RARE EARTH ELEMENTS UPON GRAPE VINES
Wang Yingjun, Li Daode, Li Baochang
ACTA AGRICULTURAE BOREALI-SINICA . 1987, (4): 81 -84 .  DOI: 10.3321/j.issn:1000-7091.1987.04.013