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

Maria Tekülve, the Deputy Head of Division and Focal Point for Rural Development and Agroecology at the German Federal Ministry for Economic Cooperation and Development (BMZ) reflects on the role of agroecological approaches in international cooperation in an interview with Silvia Richter for the International Journal for Rural Development. The material reflects Maria Tekülve's...
Germany
论文
2021
More than 12 million small-scale farmers and their families in the risk-prone, dryland areas of the Western Sahel have become chronically vulnerable to food and nutrition insecurity. This growing crisis is due to a constellation of factors, including the collapse of soil fertility and climate change. Agroecology Plus Six (AE+6)...
Burkina Faso - Mali - Senegal
创新
2018
Experiencias en el diseño de una agricultura sustentable. Con el Profesor Miguel Altieri, PhD (Universidad de California, Berkeley) www.agroeco.org
Chile
视频
2016
Sustainable Public Food Procurement (PFP) represents a key game changer for food systems transformation. It can influence both food consumption and food production patterns. It can deliver multiple social, economic, and environmental benefits towards sustainable food systems for healthy diets. This publication aims to contribute to the improved understanding, dissemination, and...
书籍
2021
In this chapter, we first examine key concepts that are relevant to understanding the links between biodiversity and ecosystem services. We then review the relationship between biodi-versity and ecosystem services, as well as the complexities arising from such linkages. We then provide an in-depth description of the links between biodiversity...
书籍
2016