Drenajes agrícolas para ingenieros / by Roe, Harry B.

Subjects:

La Erosión del suelo y su control / by Ayres, Quincy C.

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Hydrologic conditions and artificial recharge through a well in the Salem heights area of Salem, Oregon : artificial recharge of ground water / by Foxworthy, Bruce L.

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Manual de técnica agrícola /

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Alimentación del cerdo / by Cunha, Tony J.

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Physioengineering principles / by Merva, George E.

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Conservación del suelo : el suelo - la erosión / by Quevedo, Casiano V.

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Plants in action : a laboratory manual of plant physiology / by Machlis, Leonard

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Conserving american resources / by Parson, Ruben L.

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Hidráulica agrícola / by Silveyra, Ricardo

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Handbook of applied hydrology : a compendium of water-resources technology /

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Irrigated soils : their fertility and management / by Thorne, David W.

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Suelos y fertilizantes / by Bear, Firman E.

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Erosión hídrica por escurrimiento superficial / by Palacios, Atilio A.

Subjects: “…EROSION POR EL AGUA 19247…”

Manual de fertilidad de suelos y uso de fertilizantes / by Darwich, Néstor A.

Subjects:

Geografía económica argentina / by Arnolds, Alfonso

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The Plant in relation to water : a study of the physiological basis of drought resistence / by Maximov, Nicolai A.

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Water in the physiology of plants / by Crafts, Alden S.

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Ecological animal geography / by Allee, W. C.

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l'Homme et le sol / by Prat, Henri

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