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农业废弃物生物黑炭转化还田作为低碳农业途径的探讨  (4)

时间:2016-01-09 10:20 文章来源:http://www.lunwenbuluo.com 作者: 潘根兴,张阿凤,邹 点击次数:

  因此,建议国家重视生物黑炭的固碳减排和农业生产作用,将生物黑炭技术的研发和试验示范列入应对气候变化研究与发展的优先发展领域。我国迫切需要研究开发适用于我国小规模农田、适合以水稻为主的农作物秸轩的快速和高效的生物黑炭转化技术,解决作物秸轩就地处理的机具小型化和可移动性问题。同时,以美国为代表的发达国家开发的生物黑炭农业应用技术,主要是针对旱地种植的玉米、小麦等作物秸轩,我国需要试验研究针对稻-麦轮作、稻-油轮作田上的作物秸轩生物黑炭就地还田的养分配比、施用量和施用方式等问题,提出适合特定轮作体系的秸轩生物黑炭就地还田解决方案,从而配合生物黑炭就地处理机具形成1个生物黑炭农业应用的根本解决方案。
  8.结语
  就应对气候变化的固碳减排与农业发展问题而言,已经在世界上形成了生物黑炭农业应用的热潮,并成为各国政府和国际组织、非政府组织推动农业应对气候变化的主要领域,研究和推广机构不断涌现,科学研究资助计划不断推出,在社会经济和国际气候变化方面相关政策、经济和对话机制不断出台。欧美国家已经在生物黑炭农业应用上占据主导地位,我国一方面需要加强在这一领域的国际合作和交流,另一方面,迫切需要针对我国农业经营特色和农业废弃物资源现状,开展生物黑炭技术的试验和应用研究。建议在科技部和农业部应对气候变化相关领域计划中将生物黑炭技术列为优先发展方向,探索将生物黑炭农业应用作为农业、农村发展和应对气候变化的主要途径的技术、经济和政策体系,为我国争取更大的固碳减排空间和生物黑炭应对气候变化对话的更大话语权。
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