最近想做篇综述，但有几篇英文文献无法下载全文，恳请各位大侠相助！

1.Determinants of agricultural best management practice adoption: Evidence from the Literature.
Authors:Prokopy, L. S.1    Floress, K.2    Klotthor-weinkauf, D.2    Baumgart-getz, A.3
Source:Journal of Soil & Water Conservation; Sep/Oct2008, Vol. 63 Issu

2.Community, Collaboration, and Countryside: Does Collaboration Lead to the Adoption of Agricultural Best Management Practices?Authors:Campbell, Joseph T.1 campbell.844@osu.edu    Koontz, Tomas1 koontz.31@osu.edu
Source:Conference Papers -- Western Political Science Association; 2008 Annual Meeting, p1-28, 28p, 8 Charts

3.Understanding farmer adoption of agricultural best management practices.
Authors:Stalker Prokopy, Linda   
Source:Journal of Soil & Water Conservation; Sep/Oct2008, Vol. 63 Issue 5, p169A-169A, 1p

4.The effect of socioeconomic factors on the adoption of best management practices in beef cattle production
作者: Kim, S; Gillespie, JM; Paudel, KR
来源出版物: JOURNAL OF SOIL AND WATER CONSERVATION   卷: 60   期: 3   页: 111-120   出版年: MAY-JUN 2005

5.TO ADOPT OR NOT TO ADOPT: FACTORS AFFECTING AGRICULTURAL BEST MANAGEMENT PRACTICE ACCEPTABILITY AND ADOPTION
6.The impact of public policy on conservation tillage in US agriculture
（后两篇只查到文章题目）

       再次恳请各位大侠帮忙！！！！！！！