Based on the statistical data of land use change,from the perspective of sustainable use,we use literature inquiry,statistical analysis,GIS spatial analysis and
This experiment was conducted to evaluate nutrient digestion in the rumen and flow to the duodenum of steers grazed on orchardgrass( Dactylis glomerata L.,OG) o
The farmers’ income growth in Rongchang County is mainly from the family business and wage income,accounting for 55. 4% and37. 9%,respectively; the growth rate
Farmland is the primary resource for food production,related to food security and people’s livelihood.The basic farmland is the essence of farmland,and it is n