论文部分内容阅读
有机农业是一种完全不用化学肥料、农药、生长调节剂、畜禽饲料添加剂等合成物质,也不使用基因工程生物及其产物的生产体系。其核心是建立和恢复农业生态系统的生物多样性和良性循环,以维持农业的可持续发展。有机农业生产体系中,作物秸秆、畜禽粪肥、豆科作物、有机废弃物是土壤肥力的主要来源。作物轮作以及各种物理、生物、生态措施是控制杂草和病虫害的主要手段。有机农业生产体
Organic agriculture is a completely without chemical fertilizers, pesticides, growth regulators, animal feed additives and other synthetic substances, do not use genetically engineered organisms and their products production system. Its core is to establish and restore the biodiversity and virtuous cycle of agro-ecosystems in order to sustain the sustainable development of agriculture. Organic farming system, crop stalks, livestock and poultry manures, leguminous crops, organic waste is the main source of soil fertility. Crop rotation and a variety of physical, biological and ecological measures are the main means of controlling weeds and pests and diseases. Organic agricultural production