Results of the national crop trials and others, 1975

cereal crops crops cultivos cultivos de cereales enfermedades de las plantas ensayos de variedades feed crops fitomejoramiento fruit crops frutales grain legumes hortalizas (plantas) industrial crops leguminosas de grano maladie des plantes oil crops plant breeding plant diseases plantas forrajeras plantas industriales plantas oleaginosas plante de culture plante industrielle recherche rendement rendimiento research trial methods variedades varieties variety trials vegetable crops yields