5Doss R C.Designing Agricultural Technology for AfricanWomen Farmers:Lessons from 25 Years of Experience[J].World Development,2001,29(12):2075-2092.
6Ervin C A.Factors Affecting the Use of Soil Conservation-Practices[J].Land Economic,1982,58:79-90.
7Feder G,Just R E.Adoption of Agricultural Innovations inDeveloping Countries:A Survey[J].Economic Developmentand Cultural Change,1985,33:255-297.
8Hoiberg E,Hufman W E.Profile of Iowa Farm and FarmFamilies:1978[Z].USA:Iowa Agricultural and Home Eco-nomics Experiment Station and Cooperative Extension ServiceBulletin,1978.
9Jamnick S F,Klindt T H.An Analysis of No-tillagePracticeDecisions,Department of Agricultural Economics and RuralSociology[Z].USA:University of Tennessee,1986.
10Wozniak,Gregory D.Human Capital,Information and theEarly Adoption of New Technology[J].Journal of HumanResources,1987,22:.