The orchard production situation in Guangdong province was analyzed and the related problems, including
mono-planting, frequent outbreaking of diseases and insect pests and more chemical pesticide inputting, short production
chain and low land use efficiency, more invasive alien species, soil degradation, serious water loss and soil erosion were
pointed out as well. Moreover, some typical ecological utilization models in orchards, such as pig-biogas-fruit model,
forest-fruit tree-grass-fish model, fruit-grass-livestock model, bee-keeping in orchard model, and intercropping
models between fruit trees and vegetables, edible mushrooms, peanuts, pasture grasses respectively were analyzed and
introduced from aspects of farming system structure, ecological benefits and application distribution. |