Hardy Webster Campbell: Полный список книг

Hardy Webster Campbell: список всех книг (7)

Progressive Agriculture, 1916: Tillage, Not Weather, Controls Yield - Hardy Webster Campbell

Progressive Agriculture, 1916: Tillage, Not Weather, Controls Yield

Hardy Webster Campbell
Campbell's 1907 Soil Culture Manual. a Complete Guide to Scientific Agriculture as Adapted to the Semi-Arid Regions : the Proper Fitting of the Soil for the Conservation and Control of Moisture and the Development of Soil Fertility ; How Moisture ... - Campbell Hardy Webster 1850-

Campbell's 1907 Soil Culture Manual. a Complete Guide to Scientific Agriculture as Adapted to the Semi-Arid Regions : the Proper Fitting of the Soil for the Conservation and Control of Moisture and the Development of Soil Fertility ; How Moisture ...

Campbell Hardy Webster 1850-

2013
Campbell's 1907 Soil Culture Manual. A Complete Guide to Scientific Agriculture As Adapted to the Semi-Arid Regions - Hardy Webster Campbell

Campbell's 1907 Soil Culture Manual. A Complete Guide to Scientific Agriculture As Adapted to the Semi-Arid Regions

Hardy Webster Campbell

2018
Progressive Agriculture, 1916. Tillage, Not Weather, Controls Yield - Hardy Webster Campbell

Progressive Agriculture, 1916. Tillage, Not Weather, Controls Yield

Hardy Webster Campbell

2018
Progressive agricutlure, 1916, tillage, not weather, controls yield - Hardy Webster Campbell

Progressive agricutlure, 1916, tillage, not weather, controls yield

Hardy Webster Campbell

2012
Soil culture primer; a plain and practical discussion of the relation of plants to the soil and the principles of growth; the laws governing the movement of water in the soil and its evaporation from the surface - Hardy Webster Campbell

Soil culture primer; a plain and practical discussion of the relation of plants to the soil and the principles of growth; the laws governing the movement of water in the soil and its evaporation from the surface

Hardy Webster Campbell

2012
Campbell's 1905 soil culture manual; explains how the rain waters are stored and conserved in the soil; - Hardy Webster Campbell

Campbell's 1905 soil culture manual; explains how the rain waters are stored and conserved in the soil;

Hardy Webster Campbell

2012