. dong xiao mai bo zhong qi yu sheng zhang fa yu tiao jian de nong ye qi xiang jian ding. botany. 表6 1953-1956å¹´å¬å°éº¥æ-ç§æ¶æä¸å深度çå壤湿度ï¼ï¼ ) ãæ·± å¹´ 1953 20 1 40 (%),(%)ï¼(%). 1954 0â5| 20 I 40 (%)!(%)ï¼(%). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original wan min wei liu ming xiao cui du chang. ke xue chu ban she

---

Size: 1625px × 1538px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectbotany