1-16 of 16 Books
Soil and Soil Fertility Management Research in Sub-Saharan Africa
Soil and Soil Fertility Management Research in Sub-Saharan Africa
By Henk Mutsaers,Danny Coyne,Jeroen Huising,Stefan Hauser,Alpha Kamara

Geotherapy
By Thomas J. Goreau,Ronal W. Larson,Joana Campe
Artificial fertilizers
Artificial fertilizers
By B. Leslie Emslie

An inquiry into the nature and value of the various shell muds used in Prince Edward Island as manures and improvers of the soil
By J. W. Tayler

Soil fertility management for sustainable agriculture
By Prasad, Rajendra

Soil management
By D. B. Davies,D. Lj. Eagle,J. B. Finney

Soil chemistry and its applications
By Malcolm S. Cresser

On the general management of a farm
By Farmer in the district of Montreal

Biological approaches to sustainable soil systems
By Norman Thomas Uphoff

Healthy Soils For Sustainable Gardens
By Steve Buchanan