生态农业知识中心

循环利用:加强循环利用意味着降低农业生产的经济和环境成本

浪费是一项人为提出的概念—在自然生态系统中并不存在浪费。生态农业方法通过模拟自然生态系统,支持推动在生产系统内进行养分、生物质和水分循环的生物过程,从而提高资源利用效率,并将浪费和污染降至最低。

循环利用可通过多样化并在不同组成部分与活动之间构建协同效应,在农场层面和景观范围内进行。比如,包括根系深植树木的农林复合系统能够捕获一年生作物根系无法吸收的养分。农牧系统通过利用粪便进行堆肥或直接施肥,并将作物残茬和副产品用作家畜饲料,推动了有机质的循环利用。养分循环占所有非供给性生态系统服务经济价值的51%,畜牧业的融入在其中发挥着主要作用。同样,在稻田养鱼系统中,水生动物协助对水稻作物施肥并减少有害生物,降低了对外部肥料或杀虫剂等投入品的需要。

循环利用通过闭合循环和减少浪费提供了多种惠益,降低了对外部资源的依赖,提升了生产者的自主能力,降低了面对市场和气候冲击时的脆弱性。循环利用有机质和副产品为生态农业创新提供了巨大潜力。

Database

Agroecology Newsletter of August 2022
新闻通讯
2022
During the International Symposium on Agroecology for Food Security and Nutrition, held at FAO headquarters in Rome on 18 and 19 September 2014, stakeholders representing governments, civil society, science and academia, the private sector, and the UN system gathered to discuss the contribution of agroecology to sustainable food systems. The...
会议文件
2015
This video was developed by the Coalition on Agroecology for the United Nations Food Systems Summit. It highlighted the essential role of adopting agroecological practices to ensure global food security. The video also stressed the importance of the government's role in creating and adopting bold policies that will support agroecological...
视频
2021
The Animal Production and Health Division (NSA) and the Plant Production and Protection Division (NSP) are piloting the Tool for Agroecology Performance Evaluation (TAPE) in various countries to support the transition towards more sustainable food systems. In this context, 2 virtual trainings have taken place in Mali and China. TAPE is an...
China - Mali
论文
2020
The green revolution raised Vietnamese farmers' awareness converted their natural farming methods into conventional agriculture using short-term rice and vegetable hybrids and intensive inputs of agrochemicals. Unfortunately, Vietnamese society nowadays has a considerable concern about conventional farming's side-effect on human health and the natural environment. There is a robust demand...
Viet Nam
工作文件
2020