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Autor: López M., J.

Background information is given on a cassava seed production project to be carried out on the northern coast of Colombia to improve crop productivity in the region through the use of improved planting material. The proposed methodology includes a survey to determine seed quality problems and geog...


López M., J.[Antecedentes y bases para un proyecto de produccion de semilla de yuca en la Costa Norte de Colombia]Antecedentes y bases para un proyecto de produccion de semilla de yuca en la Costa Norte de Colombia

Recent information on the biological balance between purple nutsedge (Cyperus rotundus) and cassava is analyzed; the possibilities of influencing this balance to favor cassava are also studied. The slow initial growth of cassava highly favors the development and propagation of C. rotundus, result...


Leihner, D.E.Holguin V., J.López M., J.[El coquito (Cyperus rotundus L.) en el cultivo de yuca: Interacciones y control]El coquito (Cyperus rotundus L.) en el cultivo de yuca: Interacciones y control

The type and magnitude of losses in cassava caused by Cyperus rotundus were determined. Two field expt. were conducted at Instituto Colombiano Agropecuario-Caribia exptl. station, Magdalena (Colombia) at 35 m.a.s.l. The location has an annual mean temp. of 280 degrees Celsius, mean annual precipi...


Leihner, D.E.López M., J.[Perdidas en el rendimiento y la calidad de la yuca (Manihot esculenta Crantz) causadas por coquito (Cyperus rotundus L.)]Perdidas en el rendimiento y la calidad de la yuca (Manihot esculenta Crantz) causadas por coquito (Cyperus rotundus L.)

In view of the lack of information on the use of herbicides in polycultures including non-commercial crop species, 2 expt. were designed to identify herbicides and doses suitable for crop associations including cassava. A total of 6 products were tested single or in mixtures having been chosen fo...


López M., J.Leihner, D.E.[Control quimico de malezas en policultivos con yuca (Manihot esculenta Crantz)]Control quimico de malezas en policultivos con yuca (Manihot esculenta Crantz)

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