河南省砂姜黑土生物工程综合治理途径初探

砂姜黑土广泛分布于河南省的中南部地区，是影响农业低产的主要旱作土壤之一，文章就砂姜黑土的结构性状，低产成因作了简要分析，着重对运用生物工程措施的治理进行探讨，实践证明，采用生态林业工程和农田生态工程相结合的生物工程措施，增加土壤有机质含量，走农，林、牧、副、渔综合发展道路，并逐步完善农田水利配套体系，是治理砂姜黑土的最有效途径。

Probe into Bio-engineering Integrated Control of Sajang Meadow Soil in Henan Province

There is much sajang meadow soil in central and southern area of Henan province. It is proved to be the best way to prevent and control hard black soil by combining the biological way with engineering way, increasing the content of organic materials, completing the complemental structure of land irrigation, taking the road to develop agriculture, forest, livestock and substandard business comprehensively.