Aschen-analysen von landwirthschaftlichen producten : fabrik-abfallen und wildwachsenden pflanzen ... /

Tests of agrochemicals and cultivars /
Published: (1980)

Sulfur : a missing link between soils, crops, and nutrition /
Published: (2008)

Sulfur : a missing link between soils, crops, and nutrition /
Published: (2008)

Trace elements in crop production /
by: Srivastava, P. C.
Published: (1996)

Boron in plant and animal nutrition /
Published: (2002)

Zinc in soils and plants : proceedings of the International Symposium on "Zinc in Soils and Plants," held at the University of Western Australia, 27-28 September, 1993 /
Published: (1993)

The use of sulphur containing products in agriculture : proceedings of the symposium, Seville 17-18 May, 1978.
Published: (1978)

Boron in Plant and Animal Nutrition /
by: Goldbach, Heiner E.
Published: (2002)

Zinc in Soils and Plants : Proceedings of the International Symposium on 'Zinc in Soils and Plants' held at The University of Western Australia, 27-28 September, 1993 /
by: Robson, A. D.
Published: (1993)

Boron in soils and plants : proceedings of the International Symposium on Boron in Soils and Plants held at Chiang Mai, Thailand, 7-11 September 1997 /
Published: (1997)

Phosphorus requirements for sustainable agriculture in Asia and Oceania : proceedings of a symposium, 6-10 March 1989 /
Published: (1990)

Symbiotic nitrogen fixation : prospects for enhanced application in tropical agriculture /
Published: (2004)

Boron in Soils and Plants : Proceedings of the International Symposium on Boron in Soils and Plants held at Chiang Mai, Thailand, 7-11 September, 1997 /
by: Bell, R. W.
Published: (1997)

Potassium in Agriculture.
Published: (1985)

Advances in plant and animal boron nutrition : proceedings of the 3rd International Symposium on all Aspects of Plant and Animal Boron Nutrition /
Published: (2007)

Analytical methods for agricultural contaminants /
Published: (2019)

Nitrogen metabolism in rice /
by: Basuchaudhuri, P.
Published: (2016)

Sulfur: A Missing Link between Soils, Crops, and Nutrition.
Published: (2008)

Soil, fertilizer, and plant silicon research in Japan /
by: Ma, Jian Feng
Published: (2002)

Statistische Analysen : mathematische Methoden der Planung und Auswertung von Versuchen /
by: Nollau, Volker
Published: (1979)

Biologically active natural products : potential use in agriculture : developed from a symposium sponsored by the Division of Agrochemicals at the 194th Meeting of the American Chemical Society, New Orleans, Louisiana, August 30-September 4, 1987 /
Published: (1988)

Agrikulturchemische Untersuchungsmethoden fur Dunge- und Futtermittel, Boden und Milch.
by: Nehring, K. (Kurt)
Published: (1960)

Management of biological nitrogen fixation for the development of more productive and sustainable agricultural systems : extended versions of papers presented at the Symposium on Biological Nitrogen Fixation for Sustainable Agriculture at the 15th Congress of Soil Science, Acapulco, Mexico, 1994 /
Published: (1995)

Potassium in agriculture /
Published: (1985)

Relation of geology and trace elements to nutrition ; abstracts and papers based on presentations at a symposium held at the annual meeting of the Geological Society of America, New York, New York, 1963 /
Published: (1967)

Practical agricultural chemistry. : A manual of qualitative and quantitative analysis for agricultural students /
by: Robertson, Frederick D. S.
Published: (1907)

Biologically active natural products : potential use in agriculture /
Published: (1988)

Micronutrients in agriculture ; proceedings of a symposium held at Muscle Shoals, Alabama, April 20-22, 1971 /
Published: (1972)

Agricultural analysis ; a handbook of methods excluding these for soils /
by: Wright, Charles Harold
Published: (1938)

Six trace elements in soils ; their chemistry as micro-nutrients /
by: Leeper, G. W. (Geoffrey Winthrop), 1903-
Published: (1970)

Boron and its role in crop production /
Published: (1993)

Agricultural qualitative and quantitative chemical analysis : After E. Wolff, Fresenius, Krocker, and others /
by: Caldwell, G. C. (George Chapman), 1834-1907
Published: (1869)

Quantitative agricultural analysis /
by: Mahin, Edward G., 1876-
Published: (1923)

Sulphur research and agricultural production in India /
by: Tandon, H. L. S. (Hari Lal Singh), 1943-
Published: (1991)

Phosphorus: Agriculture and the Environment.
Published: (2005)

Official and tentative methods of analysis of the Association of Official Agricultural Chemists /
Published: (1920)