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Rodent resistance in cacao, Theobroma cacao L.
(University of the West Indies, St. Augustine (Trinidad y Tobago), 1993)
The neotropical red squirrel (Sciurus granatensis Humboldt) was identified as the rodent damaging cacao pods in field studies in three locations in Trinidad. The rodent was observed to express a significant preference for ...
Potential use of Azospirillum as biofertilizer
(IICA, San José (Costa Rica), 1993-10)
Hace más de quince años se probó, por primera vez, el potencial de Azospirillum como biofertilizante en cereales. A pesar del optimismo de los resultados iniciales, la inoculación con Azospirillum en el campo ha demostrado ...
Natural resource conservation with peoples' participation in the uplands of the Maribios Volcanic Ranges of Nicaragua. I. Appropriate land use and rural social diversity
(IICA, San José (Costa Rica), 1993-07)
Biophysical and socioeconomic problems related to natural resource conservation of the uplands of the Maribios volcanic ranges of Nicaragua are discussed. Since the USDA method for land classification was found to be ...
Effects of Bauhinia monandra (Kurz) seed extracts on yield, mophology and anatomy of cassava plants
(IICA, San José (Costa Rica), 1993-10)
Estacas de yuca TMS30572 fueron remojadas parcialmente en extractos de semillas B. monandra por 70 h y, luego, sembradas en el campo en abril de 1988 y cosechadas en abril de 1989. Se llevaron a cabo un segundo y un tercer ...
Black sigatoka appearance in plantain in relation to disease control and farm management
(CATIE, Turrialba (Costa Rica). Atlantic Zone Programme Agricultural University Wageningen, Wageningen (Países Bajos) Ministerio de Agricultura y Ganadería, San José (Costa Rica), 1993)
Identification and distribution of melon-infecting viruses and their vectors in two provinces of Costa Rica
(IICA, San José (Costa Rica), 1993-07)
El virus de la mancha anular de la papaya o "papaya ringspot virus" (PRSV), el virus del mosaico de la sandía II o "watermelon mosaic virus II" (WMV-II), el virus del mosaico del pepino o "cucumber mosaic virus" (CMV) y ...
Natural resource conservation in the Maribios uplands of Nicaragua. III. Conceptual framework for incentives
(IICA, San José (Costa Rica), 1993-07)
Considerable work has been done on conservation incentives, but a simple, uniform decision-making criterion is still lacking. This paper develops a decision-making tool in the form of a three-part conceptual framework for ...
Land use classification through overlay procedures: research investigating the possibilities to classify land use by combining information from different thematic maps for the northern part of the Atlantic Zone of Costa Rica
(Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica). Atlantic Zone Programme Agricultural University Wageningen, Wageningen (Países Bajos) Ministerio de Agricultura y Ganadería, San José (Costa Rica), 1993)
Producing pineapple in the Atlantic Zone of Costa Rica: agronomic and marketing aspects
(Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica). Atlantic Zone Programme Agricultural University Wageningen, Wageningen (Países Bajos) Ministerio de Agricultura y Ganadería, San José (Costa Rica), 1993)
State of art on methodological packages for planning and implementation of natural resources conservation projects for rural development and modern watershed management concepts for developing countries
(CATIE, Turrialba (Costa Rica). Programa Manejo Integrado de Recursos Naturales. Area de Manejo de Cuencas, 1993)