论文部分内容阅读
毕节市地处云贵高原向黔中山原过渡的斜坡地带,水土流失严重,农耕地石化、地力减退、下等地多,农业生产受到极大影响。在分析农耕地土壤退化原因的基础上,提出了实行坡改梯、增施有机肥料、推广种植绿肥、合理轮作、改革耕作技术、客土、增施石灰、秸秆还田等改良措施。
Bijie is located in the slope of the transition from Yunnan-Guizhou Plateau to Qianzhongshan Plain with serious soil erosion, agrarian agriculture, diminishing of soil fertility and more land. Agricultural production is greatly affected. Based on the analysis of the causes of soil degradation in the arable land, the authors put forward the improvement measures such as slope to slope improvement, organic fertilizer application, popularization of green manures, rational rotation, cultivation techniques, soil, soil addition, lime addition and straw returning.