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Xueqi Su, Xiaomeng Guo, Qian Chen, Zheng Sun, Xianchao Shang, Yun Gao, Tao Yu, Li Zhang, Long Yang and Xin Hou
Unreasonable cultivation methods and management measures have led to widespread obstacles in tobacco continuous cropping in planting areas, resulting in reduced tobacco yield and soil degradation. Therefore, intercropping tobacco with other crops is an e...
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Lin Cai, Hongbao Zhang, Yongjie Deng, Weiqiang Tian, Guangjin Fan and Xianchao Sun
Tobacco brown spot caused by Alternaria alternata is a devastating fungal disease endangering plant production. To effectively control brown spot disease, an antagonistic Actinomyces strain, Streptomyces hygroscopicus JY-22, was isolated from rhizospheri...
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Zhiyuan Pan,Xianchao Sun
Pág. 107 - 121
Calculating accurately the optimal hedge ratio plays an important role in the futures market for both practitioners and academicians. In this paper, we combine copula and nonparametric technique, where marginal setting is modeled by nonparametric techniq...
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