我们的研究表明，有许多区域生活着区域性的社会，它们的居住密度相当大，定居，而且从事半精耕细作的农业。
Our work suggests there were many areas with regional societies, that were fairly densely settled, sedentary, and practiced semi-intensive agriculture.
再次，研究包世臣在种植业方面精耕细作的技术思想，包括多熟种植、土壤耕作、中耕管理、合理施肥技术思想等。
Taking planting as a main point, it studies Bao thought of intensive farming, such as multi-crop a year, soil tillage, mid-cultivation management and reasonable application of manure, etc.
刀，耜往往与锄，铲并用，配套，说明当时已经有了精耕细作的生产程序，标志着当时农业生产已达到相当高的水平。
Knives, si often hoe, shovel and use, supporting, at the time that has been intensive production processes, agricultural production marked the time has reached a very high level.
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