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Determinación del nivel de inóculo primario de Pseudomonas solanacearum en suelos con infestación natural
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-10)
Several methods were tested for detecting the residual inocuhnn of Pseudomonas solanacearum, Race 1, in inceptisols at Turrialba, Costa Rica, where lire bacterium is apparently endemic Planting healthy potato tubers in ...
Comportamiento juvenil de nueve procedencias de Pinus caribaea var. hondurensis Barret y Golfari en Costa Rica
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-10)
This is a preliminary assessment of the provenance test of Pinus caribaea vat. hondurensis Barret and Golfari established by the Tropical Agriculture Research Training Center (CATIE) in Costa Rica.
The analysis of the ...
Evaluación de los daños causados en frijol por larvas y adultos de los crisomélidos Diabrotica balteata LeConte y Cerotoma facialis Erickson
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-10)
Damage to common beans (Phaseolus vulgaris) by feeding of lame and adults of Diabrotica balteata LeConte and Cerotoma facialis Erickson was evaluated under greenhouse and field conditions. Second and third instar larvae ...
Caracterización del potasio en algunos suelos de Chanchamayo, selva alta del Perú
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-10)
The forms and availability of potassium for sorghum (Sorghum vulgare L.) were determined in 31 soil horizons from the orders Entisol, Inceptisol, Ultisol and Vertisol from the tropical humid region of Perk. Available K was ...
Longevidad, latencia y germinación de las semillas de Verbesina greemanii: efecto de la calidad de la luz
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-10)
During a year the longevity of buried and imbibited seeds was studied, also the effect of the spectral composition of the light on seed germination was investigated, on Verbesina greenmanii, a secondary growth plant from ...