1997: Agronomía Mesoamericana: Vol. 8, Issue 2 (July-December)

Articles

Vegetation study in slash/mulch bean (frijol tapado).

Franklin Herrera, Gloria Meléndez

01-11
- PDF (Español (España))
The social rentability of government agricultural researh on basic grains: the Guatemala maize case, 1973- 90.

Mamerto Reyes

12-20
- PDF (Español (España))
Guidelines for a weed management that increase the populations of beneficial insects in oil palm (Elaeis guineensis Jacquin).

Ramón Mexzón

21-32
- PDF (Español (España))
Fighting weeds in mono-cultures of forage peanut (Arachis pintoi).

Eugenio Araya, Jorge Elizondo, Carlos Jiménez, Anaité Quan

33-43
- PDF (Español (España))
White grubs complex (Phyllophaga spp., Anomala spp. and Cyclocephala spp.) associated to agricultural crops of the Central Valey and Dry Pacific of Costa Rica.

Giselle Abarca, Miguel Quesada

44-53
- PDF (Español (España))
Isolation of supressing agents of Pseudomonas solanacearum E. F. Smith in tomato (Lycopersicon esculentum).

Jorge M. Cartín, Amy Wang

54-58
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Collecting of potato wild species in Guatemala.

David M. Spooner, Vicente Martínez, Roel Hoekstra, Ronald G. van den Berg

59-66
- PDF (Español (España))
Double cross hibrids produced with lines improved by gamete and backcross selection.

Enrique Navarro, Gustavo Burciaga, Salvador González, M. Cristina Vega, Regino Morones, Elias Sandoval

61-71
- PDF (Español (España))
The potential use of single cross hybrids of the intermediate vegetative cycle, in the sub tropical regions of México.

Ernesto Preciado, Arturo Terron

72-77
- PDF (Español (España))
The response ofmaize towards application ofnitrogen, in rotation with Canavalia, under two cultivation types, at Río Hato, Panamá, 1993-94.

Roman Gordon, Jorge Franco, Nivaldo De Gracia, Andrés González

78-84
- PDF (Español (España))
The usage of maize wastes as surface cover and its implications in the economy of nitrogen on maize cultivars.

José Luis Zea, M. Osorio, Jorge Bolaños

85-89
- PDF (Español (España))
Evaluation of the potencial productivity of the black sorghum to forage (Sorghum almum).

Eugenio Araya, Carlos Jiménez, Henry Soto, Anité Quan

90-95
- PDF (Español (España))
Effect of weed management on the population of macadamia nutborer Ecdytolopha torticornis Meyrick (LEP: Tortricidae).

Helga Blanco-Metzler, Rodolfo Villalobos, Allan D. Wat, Derek Cosens

96-100
- PDF (Español (España))

Technical Notes

Purple nutsedge control in sugarcane (Saccharum officinarum L.).

Carlos Segura N., Renán Agüero A.

101-106
- PDF (Español (España))
Control of root pathogens on onion seedling nursaries.

Juan Ramón Navarro, Gerardina Umaña

107-111
- PDF (Español (España))
Reproduction of Meloidogyne incognita on several weeds present in Costa Rica.

Róger López

112-115
- PDF (Español (España))
Notes on the biology and ecology of Anastrepha obliqua (Diptera: Tephritidae), pest of plants in Tropical América. I. Imnature forms.

Julia Soto-Manitiu, Luis G. Chaverri, Luis Fernando Jirón

116-120
- PDF (Español (España))
The maize/common bean association as an alternative for the agriculture ofzones with problems of chilling injury to crops.

José S. Barrales

121-126
- PDF (Español (España))
Relationship betwen amount of rain and secondary growth in amaranth (Amaranthus hipochondriacus L.).

José S. Barrales

127-130
- PDF (Español (España))
Validation of the lines of cornmon bean (Phaseolus vulgaris, DOR 482), in the eastern zone of EI Salvador.

Rolando Ventura, Carlos Reyes

131-138
- PDF (Español (España))
Potential productivity of crosses of varieties of open pollination with simple hybrids of corn.

Alejandro Espinosa, Margarita Tadeo, Angel Piña, Rafael Martínez

139-142
- PDF (Español (España))
Evaluation of cornmercial soil mixtures for growing coffee (Coffea arabica L. var caturra) in nurseries.

Flor de María Argueta, Rocio Rodríguez, Miguel Monroig

143-146
- PDF (Español (España))
Grazing and phosporic fertilizer evaluation on intercropped pastures (Cynodon nlemfluensis) and (Arachis pintoi).

Byron Barrios, M. Hernández, W. Valdez

147-151
- PDF (Español (España))
The prevention of fowl cholerra with the aqueous extract of epacine (Petiveria alliacea), stinkwood (Centrum lanatum), Quina (Coutarea hexandra), and tempate (Jatropha curcas) in poultry production.

C. M. Carrillo, E. A. Chinchilla, L. A. González, R. A. Toledo, H. G. Zambrana

152-158
- PDF (Español (España))

Analyzes and Comments

Research and extension to promote the sustainability of the basic gratns system in the slopes in the area of El Salvador.

Richard Barber

159-164
- PDF (Español (España))

1997: Agronomía Mesoamericana: Vol. 8, Issue 2 (July-December)

Articles

Vegetation study in slash/mulch bean (frijol tapado).

The social rentability of government agricultural researh on basic grains: the Guatemala maize case, 1973- 90.

Guidelines for a weed management that increase the populations of beneficial insects in oil palm (Elaeis guineensis Jacquin).

Fighting weeds in mono-cultures of forage peanut (Arachis pintoi).

White grubs complex (Phyllophaga spp., Anomala spp. and Cyclocephala spp.) associated to agricultural crops of the Central Valey and Dry Pacific of Costa Rica.

Isolation of supressing agents of Pseudomonas solanacearum E. F. Smith in tomato (Lycopersicon esculentum).

Collecting of potato wild species in Guatemala.

Double cross hibrids produced with lines improved by gamete and backcross selection.

The potential use of single cross hybrids of the intermediate vegetative cycle, in the sub tropical regions of México.

The response ofmaize towards application ofnitrogen, in rotation with Canavalia, under two cultivation types, at Río Hato, Panamá, 1993-94.

The usage of maize wastes as surface cover and its implications in the economy of nitrogen on maize cultivars.

Evaluation of the potencial productivity of the black sorghum to forage (Sorghum almum).

Effect of weed management on the population of macadamia nutborer Ecdytolopha torticornis Meyrick (LEP: Tortricidae).

Technical Notes

Purple nutsedge control in sugarcane (Saccharum officinarum L.).

Control of root pathogens on onion seedling nursaries.

Reproduction of Meloidogyne incognita on several weeds present in Costa Rica.

Notes on the biology and ecology of Anastrepha obliqua (Diptera: Tephritidae), pest of plants in Tropical América. I. Imnature forms.

The maize/common bean association as an alternative for the agriculture ofzones with problems of chilling injury to crops.

Relationship betwen amount of rain and secondary growth in amaranth (Amaranthus hipochondriacus L.).

Validation of the lines of cornmon bean (Phaseolus vulgaris, DOR 482), in the eastern zone of EI Salvador.

Potential productivity of crosses of varieties of open pollination with simple hybrids of corn.

Evaluation of cornmercial soil mixtures for growing coffee (Coffea arabica L. var caturra) in nurseries.

Grazing and phosporic fertilizer evaluation on intercropped pastures (Cynodon nlemfluensis) and (Arachis pintoi).

The prevention of fowl cholerra with the aqueous extract of epacine (Petiveria alliacea), stinkwood (Centrum lanatum), Quina (Coutarea hexandra), and tempate (Jatropha curcas) in poultry production.

Analyzes and Comments

Research and extension to promote the sustainability of the basic gratns system in the slopes in the area of El Salvador.

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