disease and insect pest 第1页

Pilot Study of Obstruction Effect of Continuous Cropping on Aconitum carmichaeli A COMPARATIVE STUDY ON THE KERNAL TECHNIQUES FOR PESTICIDEINJECTION SYRINGE AND DESIGN OF ITS 6HZ.D625B TYPE Ecological effects of six diseases and insects on larch crown Effects of Partial Leaf Area Reduction on Yield and Quality of Camellia oleifera The possible influence of future climate change on cotton production,and disease and insect pests in Hebei Province