生物炭
沼渣
环境科学
土壤改良剂
土壤肥力
土壤质量
堆肥
环境修复
修正案
生物肥料
营养管理
农学
废物管理
厌氧消化
营养物
土壤水分
化学
工程类
生态学
有机化学
甲烷
热解
污染
生物
政治学
法学
土壤科学
作者
Kumuduni Niroshika Palansooriya,Pavani Dulanja Dissanayake,Avanthi Deshani Igalavithana,Ronggui Tang,Yanjiang Cai,Scott X. Chang
标识
DOI:10.1016/j.scitotenv.2023.163311
摘要
One-third of the annual food produced globally is wasted and much of the food waste (FW) is unutilized; however, FW can be valorized into value-added industrial products such as biofuel, chemicals, and biomaterials. Converting FW into soil amendments such as compost, vermicompost, anaerobic digestate, biofertilizer, biochar, and engineered biochar is one of the best nutrient recovery and FW reuse approaches. The soil application of FW-based amendments can improve soil fertility, increase crop production, and reduce contaminants by altering soil's chemical, physical, microbial, and faunal properties. However, the efficiency of the amendment for improving ecosystem sustainability depends on the type of FW, conversion method, application rate, soil type, and crop type. Engineered biochar/biochar composite materials produced using FW have been identified as promising amendments for soil remediation, reducing commercial fertilizer usage, and increasing soil nutrient use efficiency. The development of quality standards and implementation of policies and regulations at all stages of the food supply chain are necessary to manage (reduce and re-use) FW.
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