Effect of Planting White Clover as a Cover Crop on the Microclimate of a Peach Orchard and the Peach Quality Effects of weeding methods on weed community and its diversity in a citrus orchard in southwest Zhejiang. Study of the Influence of Different Tending Measures to the Damages and Population Density of Leaf Mites in Bamboo Grove Potential Biocontrol Activity of Pestalotia funerea and its Mutant to Parasitic Seed Plants and Weeds