Investigation and Analysis of the Factors Affecting Carrot Continuous Production
CAO Yong-sheng, ZHANG Xue-song, DAI Su-ying
ACTA AGRICULTURAE BOREALI-SINICA . 2006, (S2): 148 -150 .  DOI: 10.3321/j.issn:1000-7091.2006.z2.036