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8 treff

The world food problem : another low cost technology is needed : the failure of conventional agronomy
Papadakis, Juan
Bok Språk ikke angitt 1975
Pre-test in nitrogen fertilization, seed, tuber or root coating with phosphorus, and intercalary legumes, as means of economizing fertilizers and generalizing their use
Papadakis, Juan
Bok Språk ikke angitt 1971
Problems of our time
Papadakis, Juan
Bok Språk ikke angitt 1969
Soils of the world
Papadakis, Juan
Bok Engelsk 1969
Climates of the world and their agricultural pontentialities
Papadakis, Juan
Bok Engelsk 1966
Soils of the world
Papadakis, Juan
Bok Engelsk 1964
Climatic tables for the world ..
Papadakis, Juan
Bok Engelsk 1961
Inflation, employment, economic development and free economy
Papadakis, Juan
Bok Engelsk 1959