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Reseña de libros
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1963-04)Reseñas de distintos libros, escritas por diferentes autores. Cada reseña explica de qué trata la obra, cómo está estructurada, qué temas aborda y aporta una crítica, en la que los autores especifican en qué puede mejorar ... -
Acao de detergentes sobre o crescimento de "seedlings" de milho (Zea mays L.)
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1962-01-01)The action of several detergents upon the growth of seedlings of hybrid corn (Zea mays L.) was determined Of seven "Carbowax type detergents, used at the concentration 02 per cent, only Carbowax-200 was phytotoxic regarding ... -
Sobre o poder germinativo de sementes do algodao mocó, Gossypium hirsutum Marie-Galante Hutch., tratadas pelo ácido sulfúrico
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1962-01-01)The germinative power of Macó cotton seeds (Gossypium hirsutum mariegalante Hutch) desinfected with concentrated sulphuric acid (density 184) during 50 minutes of exposition, was determined sowing the seeds at 1, 15, 30 ... -
Un hongo semejante a Ceratocystis moniliforme en cacao en Costa Rica
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1962-01-01)In the course of laboratory work with diseased plants of cacao, a fungus was isolated, that differs from Ceratocystis fimbriata and C. paradoxa. Its morphological characteristics indicate that the isolate is similar to C. ... -
La fermentación de pequeñas muestras en investigaciones sobre el procesado del cacao
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1962-01-01)Rohan trays were sub-divided by plywood walls into ten compartments in order to cure cacao samples as small as 3000 grams, when all compartments were filled with cacao beans. The position of the samples within the tray did ... -
Rendimiento de clones de Hevea resistentes a Dothidella ulei
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1963-04)Data are tabulated of rubber yields. Los Diamantes* (Costa Rica) farm. of rubber clones resistant to the South America Leaf Blight (SALB) caused by Dothidella ulei. The information corresponds to the period from September ... -
Responsabilidades educativas y financieras de la S.A.T.E.C. en Guadeloupe
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1963-04)SATEC (Société d’Assistance Technique et de Crédit Social d’Outre-Mer) is a French organization with two main purposes: supervised credit and education in the French overseas territories. The question arises whether there ... -
Efecto de diversas dosis de óxido cuproso y zineb aplicados a bajo volumen en el control de la Monilia en el cacao
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1963-04)An experiment was made in 1959 in Pichilingue, Ecuador, to control Monilia disease in cacao with two different dosis of cuprose oxide and zineb. Cuprous oxide was more effective than zineb. The lower dosis of cuprous oxide ... -
The point of irreversibility in cacao seed sensitivity to cold
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1963-04)La inhibición de la germinación de semillas de cacao por el frío fue reversible si se les colocó inmediatamente después en agua a 37 grados centígrados por diez minutos. Cuando las semillas permanecieron por diez minutos ... -
Plantas tóxicas y sospechosas para el ganado en Tucumán, Argentina
(Instituto Interamericano de Ciencias Agrícolas (IICA), 1963-04)A list is presented of the toxic and suspected plants in the cattle areas of Tucumán, Argentina. Data given include the poisonous principle, vegetative part on which this principle is located, growing stage in which it is ...
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