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Fischer, Albert J.[Resistencia a herbicidas y umbrales de acción para el manejo integrado de malezas]Resistencia a herbicidas y umbrales de acción para el manejo integrado de malezas

Major weeds affecting bean crops and their control are examined. The following aspects are also included: (1) classification of weeds; (2) problems caused regarding production; (3) effect of competition; (4) agro-economic aspects and relationship with other cultural practices; (5) weed control me...


Fuentes de Piedrahíta, Cilia L.[Manejo y control de las malezas en el cultivo del frijol]Manejo y control de las malezas en el cultivo del frijol

Lozano, J.C.Bellotti, Anthony C.Reyes, J.A.Howeler, Reinhardt H.Leihner, D.E.Doll, Jerry D.[Problemas no cultivo da mandioca]Problemas no cultivo da mandioca

Lozano, J.C.Bellotti, Anthony C.Schoonhoven, Aart vanHoweler, Reinhardt H.Doll, Jerry D.Howell, DBates, T.[Field problems in cassava]Field problems in cassava

Tongglum, AnuchitLeihner, D.E.[Weed control in cassava screening of new chemicals used as pre-emergent herbicides for cassava and efficiency of weed control]Weed control in cassava screening of new chemicals used as pre-emergent herbicides for cassava and efficiency of weed control

Leihner, D.E.Domínguez, J.Fuentes de Piedrahíta, Cilia L.Giraldo Avila, GuillermoLópez Molina, J.[El coquito (Cyperus rotundus L.) : sus características y posibilidades de control]El coquito (Cyperus rotundus L.) : sus características y posibilidades de control

The main objectives of this expt. were to study the optimum dosage of the preemergence herbicide, oxyfluorfen, on different soil types by evaluating the chemical injury on cassava leaves; investigate the relationship between the diameter of the cutting and the initial growth; analyze aspects of m...


Kano, YLeihner, D.E.[Optimum dosage of a new preemergence herbicide oxifluorfen (Commercial name GOAL) on the cassava planted in different soil types]Optimum dosage of a new preemergence herbicide oxifluorfen (Commercial name GOAL) on the cassava planted in different soil types

Observations and recommendations on the use of the herbicide oxyfluorfen are included on the basis of research conducted at the Centro Internacional de Agricultura Tropical (CIAT) on its efficiency in selective weed control in cassava, effect on yield, rates of application, and possible combinati...


Leihner, D.E.Domínguez, J.Kano, YLópez, J.[Recomendaciones para el uso del nuevo herbicida pre-emergente "GOAL" en yuca]Recomendaciones para el uso del nuevo herbicida pre-emergente "GOAL" en yuca

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