The Role of Organic Matter in Modern Agriculture /

Crop fertilization on Texas High Plains soils /
by: Valentine, James Hardy, et al.
Published: (1968)

Crop fertilization on East Texas soils /
by: Welch, C. D., et al.
Published: (1977)

Crop fertilization on East Texas soils /
by: Welch, C. D., et al.
Published: (1974)

Crop fertilization on East Texas soils /
by: Welch, C. D., et al.
Published: (1979)

Crop fertilization on Coast Prairie and Coastal Bend soils /
by: Welch, C. D., et al.
Published: (1976)

Crop fertilization on Texas alluvial soils /
by: Welch, C. D., et al.
Published: (1970)

Crop fertilization on Texas alluvial soils /
by: Welch, C. D., et al.
Published: (1972)

Field crop fertilization on Texas Blackland and Grand Prairie soils /
by: Welch, C. D., et al.
Published: (1980)

The soil and the microbe : an introduction to the study of the microscopic population of the soil and its role in soil processes and plant growth /
by: Waksman, Selman A. (Selman Abraham), 1888-1973, et al.
Published: (1931)

Crop fertilization on Texas Blackland and Grand Prairie soils /
by: Welch, C. D., et al.
Published: (1971)

Crop fertilization on Texas Blackland and Grand Prairie soils /
by: Welch, C. D., et al.
Published: (1968)

Crop fertilization on Texas High Plains soils /
by: Pennington, Dale, et al.
Published: (1968)

Developments in plant and soil sciences.

Soil nutrients removed by some crops /
by: Bennett, William F.
Published: (1957)

Chemicals, humus, and the soil ; a simple presentation of contemporary knowledge and opinions about fertilizers, manures, and soil fertility.
by: Hopkins, Donald Percy, 1909-
Published: (1948)

Microorganisms and organic matter of soils /
Published: (1970)

Managing organic matter in tropical soils : scope and limitations : proceedings of a workshop organized by the Center for Development Research at the University of Bonn (ZEF Bonn) - Germany, 7-10 June, 1999 /
Published: (2001)

Humic Substances in Soil and Crop Sciences: Selected Readings.
Published: (1990)

Rangeland soil quality - organic matter /
Published: (2001)

The Significance and Regulation of Soil Biodiversity : Proceedings of the International Symposium on Soil Biodiversity, held at Michigan State University, East Lansing, May 3-6, 1993 /
by: Collins, H. P.
Published: (1995)

Organic soil amendments and fertilizers /
by: Chaney, David E.
Published: (1992)

Darwin on humus and the earthworm ; the formation of vegetable mould through the action of worms with observations on their habits /
by: Darwin, Charles, 1809-1882
Published: (1966)

Visual soil evaluation : realising potential crop production with minimum environmental impact /
Published: (2015)

Study week on organic matter and soil fertility. April 22-27, 1968.
Published: (1969)

Soil organic matter its nature, its role in soil formation and in soil fertility,
by: Kononova, M. M. (Marii︠a︡ Mikhaĭlovna), 1898-1979
Published: (1966)

Soil Organic Matter: Analysis and Interpretation.
Published: (1996)

China, recycling of organic wastes in agriculture : report on an FAO/UNDP study tour to the People's Republic of China 28 April-24 May 1977.
Published: (1977)

Soil fertility and organic matter as critical components of production systems : proceedings of a symposium /
Published: (1987)

Field and forage crop fertilization in the Trans-Pecos and Edwards Plateau regions /
by: Welch, C. D., et al.
Published: (1977)

Iron Nutrition in Soils and Plants : Proceedings of the Seventh International Symposium on Iron Nutrition and Interactions in Plants, June 27-July 2, 1993, Zaragoza, Spain /
by: Abadía, J.
Published: (1995)

Humic substances : structures, models and functions /
Published: (2001)

Designer cropping systems for polluted land /
by: Pandey, Vimal Chandra, et al.
Published: (2024)

Population sizes of clover rhizobia in soil in East Texas, influence of liming on rhizobial survival, and number of rhizobia needed for prompt nodulation of arrowleaf and crimson clovers /
by: Nazih, Nadia
Published: (1992)

Soil quality resource concerns : soil biodiversity.
Published: (1998)

Soil organic matter and biological activity /
Published: (1985)

Micronutrients in Tropical Food Crop Production /
by: Vlek, Paul L. G.
Published: (1985)