Historical questions about Beidahuang

1. Turn wasteland into fertile wilderness, and turn the former wilderness into a densely populated area. A commercial grain base, producing more than 15 million tons of grain every year, solving the problem of survival and employment for millions of people. 2. The erosion of the black soil layer, water and soil Loss, sedimentation, floods, droughts, and wind and sand disasters are common, the climate is abnormal, and the number of animals decreases. 3. Suspension of business to open up wasteland, return farmland to forests, and restore vegetation. Reduce soil erosion disasters, improve the environment, promote the development of food production, greatly improve the quality of food production, and increase the variety of wild animals. 4. Over-exploitation by humans has destroyed the natural environment and caused the decline of civilization. Therefore: 1. Protect and love nature 2. Cherish natural resources and rationally develop and utilize them 3. Maintain ecological balance, cherish and treat life well 4. Control people's own development and meet their needs. Do not harm the environment as a cost of development.