LalR.

Methods for assessment of soil degradation by: BlumW.H.; LalR.; ValentineC. [et al] (Language materials, printed)

The potential of U.S. cropland to sequester carbon and mitigate the greenhouse effect by: FollettR.F. [et al.]; KimbleJ.M.; LalR. (Language materials, printed)

Soil management and greenhouse effect by: KimbleJohn; LalR.; LevineElissa[et al] (Language materials, printed)

Soils and global change by: KimbleJohn; LalR.; LevineElissa[et al] (Language materials, printed)