| The conversion of cropland to forestland program is a typical agricultural joint production. This paper highlighted the level of joint production about typical famers based on case investigation of northern part of Shanxi province, and discussed the reasons of the difference. The result showed that the level of agricultural joint production were depend on many kinds of factors, characteristics of products, land scale and environment had no obvious effect , policy and regulations, characteristics of farmer and risk preference had an important influence on it. |
