黄土高原广大产麦地区在夏作物如小麦、豌豆、扁豆等收获后,进行夏季休闲,伏耕晒垡,以保证其后作小麦丰产稳产。此项耕作措施是农民在长期生产实践中创造出来的一种保持土壤肥力的宝贵经验。二千多年前,氾勝之在关中地区教导农业时曾对这些宝 After the summer crops such as wheat, peas and lentils are harvested, the vast areas of the wheat producing region in the Loess Plateau are summertime for leisure and voluminous basking in order to ensure high and stable yield of wheat thereafter. This tillage measure is a valuable experience that farmers have created to maintain soil fertility in long-term production practices. More than two thousand years ago, Pan-victoria had been interested in teaching agriculture in Guanzhong