The effect of fertilisers on grasses in certain areas in South Africa : with special reference to nitrogen.

Guide to grasses of South Africa /
by: Van Oudtshoorn, Frits
Published: (1992)

The grasses and pastures of South Africa /
Published: (1955)

Manuring of grass land for hay /
by: Brenchley, Winifred Elsie, 1883-
Published: (1924)

Increasing nitrogen efficiency for rice cultivation.
Published: (1980)

Nitrogen fertilizer recommendations for maize produced in the tropics : comparison of three computer-based models /
by: Osmond, Deanna Lynn
Published: (1991)

Isotopic studies of Azolla and nitrogen fertilization of rice /
Published: (1993)

Efficiency of nitrogen fertilizers for rice : proceedings of the Meeting of the International Network on Soil Fertility and Fertilizer Evaluation for Rice, Griffith, New South Wales, Australia, 10-16 April 1985.
Published: (1987)

Isotopic Studies of Azolla and Nitrogen Fertilization of Rice : Report of an FAO/IAEA/SIDA Co-ordinated Research Programme on Isotopic Studies of Nitrogen Fixation and Nitrogen Cycling by Blue-Green Algae and Azolla /
by: Kumarasinghe, K. S.
Published: (1993)

Evaluation of nitrogen, phosphorus and iron sources for winter wheat production /
by: Rogers, Dale Martin, 1937-
Published: (1972)

An economic evaluation of nitrogen fertilization of Montana winter wheat /
by: Garnick, Bradley
Published: (1979)

Nitrogen nutrition of cotton : practical issues : proceedings of First Annual Workshop for Practicing Agronomists : February 7, 1990, Hilton Riverfront Inn, North Little Rock, AR /
Published: (1990)

Nitrogen nutrition of cotton : practical issues : proceedings of First Annual Workshop for Practicing Agronomists : February 7, 1990, Hilton Riverfront Inn, North Little Rock, AR /
Published: (1990)

Étude de la fumure minérale azotée intensive des céréales et du rôle spécifique de la matière organique dans la fertilité des sols au Mali /
by: Traore, M. F.
Published: (1974)

Fertilizer trials on wheat : report on experiments conducted from 1953-1956 under the Fertilizer Use Project /
Published: (1959)

Fertilización nitrogenada en caña de azúcar : criterios para una labor eficiente.
Published: (2000)

Biological nitrogen fixation associated with rice production /
Published: (1991)

Nitrogen Nutrition of Cotton: Practical Issues.
Published: (1990)

The economic effects of phosphorus fertilization on potatoes in the Cochabamba Region /
by: Adams, Kendall A.
Published: (1979)

Practical application of azolla for rice production : proceedings of an international workshop, Mayaguez, Puerto Rico, November 17-19, 1982 /
Published: (1984)

Practical Application of Azolla for Rice Production : Proceedings of an International Workshop, Mayaguez, Puerto Rico, November 17-19, 1982 /
by: Silver, W. S.
Published: (1984)

Organic matter and rice.
Published: (1984)

Sulfur fertilizer policy for lowland and upland rice cropping systems in Indonesia : proceedings of a seminar held at Jakarta 18-20 July, 1989 /
Published: (1989)

A proceedings of the XXVI International Horticultural Congress.
Published: (2003)

An introduction to the study of the South African grasses : with notes on their structure, distribution, cultivation, etc. /
by: Phillips, Edwin Percy
Published: (1931)

Maximizing the efficiency of fertilizer use by grain crops /
Published: (1980)

Agronomic and economic evaluation of urea placement and sulfur-coated urea for irrigated paddy in farmers' fields in eastern India /
by: Martinez, Adolfo
Published: (1983)

Forage management for maximum use ; or, How to survive in '75 /
by: Alston, G. D. (George Dale)
Published: (1975)

Fertilizing forages /
by: Grey, Carl
Published: (1975)

[Review of results on fertilizers for rice /
Published: (1935)

Workshop : Ecological Aspects of Vegetable Fertilization in Integrated Crop Production in the Field : Einsiedeln, Switzerland, 7 to 11 September 1992 workshop /
Published: (1993)

Fertilizacion del maiz de temporal en el centro-norte de Mexico /
Published: (1976)

Fertilizacion del frijol de temporal en el centro-norte de Mexico /
Published: (1976)

Proceedings of the International Workshop on Ecological Aspects of Vegetable Fertilization in Integrated Crop Production in the Field /
Published: (1999)

The effect of fertilization on the nutritive value of pasture grass /
by: Crampton, Earle W. (Earle Wilcox), 1895-, et al.
Published: (1935)

Determinacion de la mejor dosis de fertilizacion nitrogenada y fosforica y de la densidad de poblacion en el maiz forrajero B-15 /
by: Smithers Hogg, James Adalbert, 1958-
Published: (1979)

Forage fertilization
Published: (1974)