interspecificrelationship相关论文
Protocooperation or commensalism: Research on the interspecific relationship between the Père David&
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Use of genetically engineered plants that express insecticidal Cry proteins derived from Bacillus thuringiensis(Bt)have ......
混交林在不同阶段应采取不同的调整措施,相对稳定期(0~4a)以局部松土除草为宜,竞争初期(5~10a)采取块状透光伐,伐除强度为30%,竞争盛期(10a以上)则采用疏伐的......