7 public-domain matches

Soil Type

Cover of Soil Nitrogen Supply

Soil Nitrogen Supply

Unknown author

Cover of IS 2192: Soil Working Equipment - Animal Drawn Mouldboard Plough, Fixed Type

IS 2192: Soil Working Equipment - Animal Drawn Mouldboard Plough, Fixed Type

Bureau of Indian Standards

Cover of The influence of vegetational type on seasonal abundance and species composition of soil fauna at different localities in Egypt

The influence of vegetational type on seasonal abundance and species composition of soil fauna at different localities in Egypt

Jean-François Ponge

Cover of Soil fauna and its importance in soil-type formation

Soil fauna and its importance in soil-type formation

Jean-François Ponge

Cover of A Soil Bacillus of the Type of De Bary's B. Megatherium

A Soil Bacillus of the Type of De Bary's B. Megatherium

W. Sturgis

Cover of The organic matter of the soil

The organic matter of the soil

Clarence Austin Morrow

Cover of Descriptions of soil types established and changes in classification since the publication of Bulletin 78

Descriptions of soil types established and changes in classification since the publication of Bulletin 78

United States. Bureau of soils