Weather and yield /

Subjects:

Crop physiology : some case histories /

Subjects:

Fisiología de los cultivos / by Evans, L. T.

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Crop-water relations /

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Cultivos de regadío / by Mela Mela, Pedro

Subjects:

Cómo se cultivan las hortalizas de raíz, tubérculo y bulbo / by Leñano, Fausto

Subjects:

Plagas y enfermedades de las plantas cultivadas / by Domínguez García-Tejero, Francisco

Subjects:

World crop protection / by Stapley, J. H.

Subjects:

Agriculture : the science and practice of farming / by Watson, James A.

Subjects:

Quinientos consejos agrícolas / by Aguirre Andrés, Jesús

Subjects:

Cultivos herbáceos extensivos / by Guerrero García, Andrés

Subjects:

Principles of field crop production / by Martin, John H.

Subjects: