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在海湾大西洋沿岸平原的LTAR耕地共同实验

Alisa W Coffin¹, Oliva Pisani¹, Kathryn Pisarello¹

¹USDA-ARS Southeast Watershed Research Laboratory, Tifton, Georgia, USA.

Journal of environmental quality

|October 27, 2024

概括

海湾大西洋沿岸平原 (GACP) 长期农业生态系统研究 (LTAR) 站点研究可持续农业. 研究比较当前的做法与冬季覆盖作物,如卡里纳塔在潮湿的沿海平原经济和环境的好处.

科学领域:

农业生态系统研究研究
环境科学环境科学
农业经济学农业经济学

背景情况:

海湾大西洋沿岸平原 (GACP) LTAR地区的特点是炎热,潮湿的夏季,带有有限深层含水层补充的沙土,以及浅浅的地下底流驱动的溪流.
主要的农业实践包括料,牲畜,林业,棉花和花生生产,面临经济转变,人口统计,害虫和疾病的挑战.

研究的目的:

评估GACP的农业系统的可行性和可持续性.
将现有农业实践与采用冬季覆盖作物的替代处理方法进行比较,以获得更好的经济和环境成果.
了解土地管理,环境因素和社会经济利益之间的相互作用.

主要方法:

在情节和现场尺度上实施一个共同的实验 (CE).
土地尺度CE:与冬季覆盖作物 (如虫) 的替代处理相比,现行做法的比较.
现场规模CE:对模仿现行管理的农场关键变量进行观察性监测.
收集关于植被,水文,土壤和气候的数据,用于建模和分析.

主要成果:

量化土地管理,环境条件和社会经济效益之间的关系.
创建数据集,以进行农业生态系统动态的先进建模和统计分析.
确定替代农业实践的潜在经济和环境效益.

结论:

GACP LTAR网站提供长期的,基于科学的解决方案,以提高农业系统的健康和福祉.
研究有助于在地方,区域和国家层面为可持续农业做出明智决策.
整合创新实践,如冬季覆盖作物种植,有望提高农业的弹性.

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