Results 1 to 3 of 3
- The Evaluation and improvement of soil fertility in Latin America : annual report to Agency for International Development. by International Soil Fertility Evaluation and Improvement Program.; North Carolina State University.(CARDINAL)157604;
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- Subjects: Soils; Agricultural assistance;
- Available copies: 4 / Total copies: 8
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- Soil test interpretation studies : field trials / by Hunter, Arvel Hatch,1921-; Fitts, J. W.(CARDINAL)200846; United States.Agency for International Development.(CARDINAL)168363; International Soil Fertility Evaluation and Improvement Program.;
Includes bibliographical references.- Subjects: Soils;
- Available copies: 1 / Total copies: 2
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- Modelos discontinuos para una rapida correlacion, interpretacion y utilizacion de los datos de analisis de suelos y las respuestas a los fertilizantes / by Waugh, Donovan Lloyd,1937-; Cate, R. B.(Robert Bancroft)(CARDINAL)142745; Nelson, L. A.(CARDINAL)169598; Waugh, Donovan Lloyd,1937-Discontinuous models for rapid correlation, interpretation, and utilization of soil analysis and fertilizer response data.; United States.Agency for International Development.(CARDINAL)168363; North Carolina Agricultural Experiment Station.(CARDINAL)164543; International Soil Fertility Evaluation and Improvement Program.;
Bibliography: pages 77-78.- Subjects: Soils;
- Available copies: 1 / Total copies: 2
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Results 1 to 3 of 3