Sandy desertification hazard is one of the most devastating hazards in the agro-pastoral region in Northern China.
沙质荒漠化灾害是我国北方农牧交错区最为严重的灾害之一。
2
The yield of the annual forage and feed crops mixture grassland in agro-pastoral transitional zone of Yanmenguan region in Shanxi was studied.
研究了雁门关农牧交错带不同一年生牧草及饲料作物混播草地的产草量。
3
First, this thesis summarizes man-land relationship and agro-pastoral area research progress, and then discusses system coordinate development theories.