
STUDIES ON SPATIAL VARIABILITY OF CONTENTS OF PETROLEUM ETHER EXTRACTS FROM FLUE-CURED TOBACCO LEAVES AND SOIL FERTILITY FACTORS IN TOBACCO PLANNING FIELDS IN CENTRAL HENAN PROVINCE
CHEN Hai-sheng, LIU Guo-shun
Journal of Nuclear Agricultural Sciences ›› 2013 ›› Issue (1) : 108-117.
STUDIES ON SPATIAL VARIABILITY OF CONTENTS OF PETROLEUM ETHER EXTRACTS FROM FLUE-CURED TOBACCO LEAVES AND SOIL FERTILITY FACTORS IN TOBACCO PLANNING FIELDS IN CENTRAL HENAN PROVINCE
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