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Factors to be taken into consideration in advising the use of a fertilizer formula for wheat. Publication year: 1955 Language: Spanish The study of the soil can be achieved with all the meticulousness that you want, but the influence of the weather conditions is so great and so indecisive in Spain from one year to the next, that it c... Free eBook |
![]() | Soil Maps from Spanish provinces. Pontevedra Publication year: 1964 Language: Spanish This book starts with an overview of the province, its climate and current state of agriculture. Later, a study of the soil that has been performed is described. It ends with a series of appendices on... Free eBook |
![]() | Comparación de métodos de selección para la mejora simultánea de varios caracteres en Tribolium castaneum Publication year: 1985 Language: Spanish ... Free eBook |
![]() | Nº.30. Contribution to the Spanish fish fauna. Biology of inland waters III Publication year: 1944 Language: Spanish Cataloging the flora and fauna of the various national aquatic environments are among the works of the "Group of Experiences on Biology of Inland Waters ". In this book, we describe new locations of t... Free eBook |