The Annual Report of the President on activities carried out under Public Law 480, 83rd Congress, as amended, during the period January 1 through December 31, 1967.

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

Inorganic nutrition, fertilization and soil amelioration for lowland rice.
by: Mitsui, Shingo
Published: (1956)

Fertilizer requirements for rice on the soils of the Gulf Coast Prairie of Texas /
by: Templin, E. H. (Edward Henry), 1903-
Published: (1948)

Effect on yields of rice of different nitrogenous fertilizers applied as topdressings /
by: Wyche, R. H. (Robert H.)
Published: (1950)

Yield results from fertilizer tests on Gulfrose rice, 1959 /
by: Evatt, Nathan S.
Published: (1960)

Rice fertilization. : A six-year isotope study on nitrogen and phosphorus fertilizer utilization /
Published: (1970)

Fertilizer requirements for rice on Texas Gulf Coast Prairie soils, 1947-49 /
Published: (1950)

Effect on rice yields of nitrogenous fertilizers applied as a topdressing to dry, wet and flooded soils /
by: Wyche, R. H. (Robert H.)
Published: (1949)

Fertilizer requirements for rice following improved and unimproved pastures /
by: Wyche, R. H. (Robert H.)
Published: (1951)

Fertilizer requirements for rice in rice-pasture rotations /
by: Evatt, Nathan S.
Published: (1957)

Fertilizer requirements for rice of the Gulf Coast Prarie of Texas, 1947-48 /
by: Wyche, R. H. (Robert H.)
Published: (1949)

Fertilizer-water depths tests on rice, 1956-57 /
by: Evatt, Nathan S.
Published: (1958)

Effects of certain fertilizers on germination and seedling growth of rice /
by: Arceneaux, Thomas Joseph
Published: (1931)

Effect of time of application of various fertilizers on the yield of rice varieties of different maturity, 1949-50 /
by: Cheaney, Robert L.
Published: (1951)

Influence of fertilizers and lime applied to rice in 1949 on pasture production in 1950 and 1951 /
by: Weihing, Ralph M.
Published: (1952)

The efficiency of fertilizer applications on dry, wet and flooded soils, as measured by rice yields /
by: Wyche, R. H. (Robert H.)
Published: (1951)

Selected bibliography of rice-soils, plant nutrition, and fertilizer use for rice /
by: Ratan, R. D.
Published: (1979)

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

Fertilizers for rice in Texas /
by: Wyche, R. H. (Robert H.)
Published: (1941)

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

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

Differential response of four upland rice (Oryza sativa L.) cultivars to phosphorus fertilization on an alfisol and ultisol in southwestern and southeastern Nigeria /
by: Kiazolu, James
Published: (1983)

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)

Fertilizer demonstrations & trials : wheat, rice, sugarcane, tobacco.
Published: (1979)

Fertilizer requirements for rice on the soils of the Gulf Coast Prairie of Texas, 1947-50 /
by: Cheaney, Robert L.
Published: (1951)

Resource management in rice systems : nutrients : papers presented at the International Workshop on Natural Resource Management in Rice Systems: Technology Adaptation for Efficient Nutrient Use, Bogor, Indonesia, 2-5 December 1996 /
Published: (1999)

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)

Rice herbicide and growth regulator field evaluation, 1988 /
by: Eastin, E. F.
Published: (1989)

Zinc fertilization and behaviour in flooded soils /
by: Mikkelsen, Duane S. (Duane Soren), 1921-
Published: (1977)

The movement and efficiency of applied phosphorus to rice (Oryza sativa L.) in flooded soil.
by: Folsom, Bobby Lee
Published: (1975)

Methods of estimating fertilizer response with an application to urea use on rice in Jogjakarta, Indonesia /
by: Molster, H. C.
Published: (1978)

Rice fertilizer recommendations /
by: Hodges, R. J., et al.
Published: (1969)

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)

Anhydrous ammonia as a nitrogenous fertilizer for rice in Texas /
by: Wyche, R. H. (Robert H.)
Published: (1951)

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)

Annual report on activities carried out under Public Law 480, 83d Congress, as amended, during the period January 1 through December 31, 1973.
Published: (1974)