对重庆市郊区1998年至1999年春玉米上蚜虫种群的发生情况进行了系统调查。
A systematic investigation was made of the aphid populations and their bio-distribution on spring-sown maize plants in 1998~1999 in the suburbs of Chongqing.
对重庆市郊区1998年至1999年春玉米上蚜虫种群的发生情况进行了系统调查。
A systematic investigation was made of the aphid populations and their bio-distribution on spring-sown maize plants in 1998~1999 in the suburbs of Chongqing.
应用推荐