金沙江干热河谷区退耕还林工程项目营造林技术推广应用——以元谋县为例

Application of Afforestation Technology of Grain for Green Projectin Dry-hot Valley Region of Jinsha River——Taking Yuanmou County for example

通过在元谋干热河谷特殊的地理环境区域内实施退耕还林工程项目,开展了耐旱性树种选择研究和引进树种驯化适应性种植,推广使用良种壮苗、封山育林造林技术措施、营林造林配套技术应用,提高了造林预整地质量。着力推出保水剂技术应用,探讨了采用不同的技术措施以提高造林成活率、保存率和成林率。总结了元谋干热河谷区实施退耕还林工程项目中的经验,为金沙江干热河谷区植被恢复重建提供参考。

T hrough the implementation ofreturning farmland to forestproject in special geographical environ-mentareas ofYuanmou Dry -hot Valleyin Yunnan Province ,this studycarried out a research on selecting-drought tolerancetreespeciesand introducing species for adaptiveplanting ,and promoted the use of good seeds and strongseedlings .Moreover ,it adopted different technical measurestoimprove the survival rate andkeep ra-teofafforestation and promotethevegetation restoration and ecological reconstruction ,such asclosing hillsides to facilitate afforestation ,silviculture techniques application of matching technology for afforestation ,,impro-ving thesoil preparation quality of reforestation ,focuson the application ofwater -retainingagent technolo-gyand so on .The experience of grain for green projects in Dry -hotValleycanplaya guiding and promoting ro-leinaccelerating the vegetation restoration in the areas of JinshaRiver .