Factors of soil formation : a system of quantitative pedology / by Jenny, Hans

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Ecología de los cultivos / by Papadakis, Juan

Subjects:

Ecologie agricole / by Papadakis, Juan

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O Meio physico e a producçao agraria : liçoes de ecologia agricola / by Azzi, Girolamo

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Aims and methods in the study of vegetation /

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El Bosque y la conservación del suelo : su importancia cultural y económica / by Wagner, Helmuth O.

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Environment and plant development / by Lundegardh, Henrik

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Cultivos : aclimatación y distribución / by Wilsie, Carroll P.

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Oecology of plants : an introduction to the study of plant-communities / by Warming, E.

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Distribución regional y condiciones ecológicas de los eucaliptos cultivados en la Argentina : problemas inherentes / by Golfari, Lamberto

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Madurez para la lectura / by Downing, John

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Los Climas y el organismo humano / by Duhot, Emile

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Geobotánica / by Villar, Emilio H. del

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Los Insectos y su ambiente / by Pfadt, Robert E.

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Plants and environment : a textbook of plant autecology / by Daubenmire, R. F.

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Plants and environment : a textbook of plant autecology / by Daubenmire, R. F.

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Range ecology / by Humphrey, Robert R.

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L'ambiente fisico e agrario dei paesi caldi / by Fenaroli, Luigi

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Ataque de problemas de productividad agrícola, mediante análisis y síntesis ecológicos / by Zaffanella, Marino J.

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Heliofanía /

Subjects: “…FACTORES AMBIENTALES 19443…”