Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Jürgen Pohlan"'
Autor:
Pedro Moraga Quezada, Roger Ilich Bolaños Taleno, Mario Pilz, Rodolfo Munguía Hernández, Hermann Alfred Jürgen Pohlan, Mirna Barios, Jeremy Haggar, William Gamboa Moya
Publikováno v:
La Calera, Vol 11, Iss 17, Pp 41-47 (2011)
En el año 2000 se establecieron dos repeticiones de un ensayo de café, en el Centro de Capacitación y Servicios Regionales del Café del Pacífico Sur – UNICAFE; una tercera repetición fue establecida en el año 2001 en el Centro Experimental C
Externí odkaz:
https://doaj.org/article/1503de9fe2774a5d82e5c4017c4719ed
Publikováno v:
Journal of Agriculture and Rural Development in the Tropics and Subtropics, Vol 109, Iss 1, Pp 85-93 (2008)
Caffeine released from decaying seeds and leaves accumulates in a soluble form in the soil. The compound is known to inhibit mitosis, reduce the access of nutrients and water to surrounding plants which is one of limiting problems in intercropped cof
Externí odkaz:
https://doaj.org/article/5ac567ab50a449ae9fe1009f5adb44fe
Autor:
E. Guzmán-Ramón, R. Gómez-Álvarez, H. A. Jürgen Pohlan, J. C. Alvarez-Rivero, J. Pat-Fernández, V. Geissen
Publikováno v:
Journal of Agriculture and Rural Development in the Tropics and Subtropics, Vol 109, Iss 1, Pp 1-14 (2008)
The survey was carried out from September 2006 to January 2007 in three papaya production sites located in main papaya production zones in Tabasco; SE Mexico. There are differences in size of the cultivated area, in the yield of the papaya as well as
Externí odkaz:
https://doaj.org/article/83667558da7447eaafb7df721b853b02
Autor:
H. Alfred Jürgen Pohlan, William G. Gamboa Moya, Dennis J. Salazar Centeno, Francisco Marroquín Agreda, Marc J. J. Janssens, Ángel Leyva Galán, Elena Guzman, Ernesto Toledo Toledo, Regino Gómez Àlvarez
Publikováno v:
Journal of Agriculture and Rural Development in the Tropics and Subtropics, Vol 108, Iss 2, Pp 123-148 (2007)
La situación en la fruticultura orgánica de Mesoamérica no es fácil a cualificar y cuantificar. Indudablemente existen áreas certificadas sin embargo faltan datos exactos. En otra manera muchos campesinos cultivan frutas y vegetales sin el uso d
Externí odkaz:
https://doaj.org/article/d1c2ffcdbe684d80a5e80fff6bc6aeee
Publikováno v:
Plant Diseases and Their Management in Organic Agriculture
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1ef769e63ff5b63f04d22c3be4e2f19
https://doi.org/10.1094/9780890544785.027
https://doi.org/10.1094/9780890544785.027
Autor:
Peter Läderach, Jürgen Pohlan, Thomas Oberthür, Myles J. Fisher, Raul Rosales Lechuga, Simon E. Cook, Marcela Estrada Iza
Publikováno v:
Field Crops Research. 120:321-329
There is growing interest of international markets in differentiated agricultural products from the tropics. Coffee is a tropical crop of relatively high quality, whose value is increasing as consumer demand in developed countries for specialty coffe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d95cc2930a67595ca99d523930ab300b
https://doi.org/10.1016/j.fcr.2010.10.006
https://doi.org/10.1016/j.fcr.2010.10.006
Autor:
Jürgen Pohlan, Alex Pacheco
Publikováno v:
Revista Colombiana de Ciencias Hortícolas. 1:94-102
La mayor parte de los productos naturales que causan alelopatia son compuestos del metabolismo secundario sintetizados por plantas y microorganismos, la mayoria de los identificados actualmente estan presentes en plantas aromaticas. Los efectos alelo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78e27a828caf51e1074805d26ca5c505
https://doi.org/10.17584/rcch.2007v1i1.1148
https://doi.org/10.17584/rcch.2007v1i1.1148
Publikováno v:
The Open Agriculture Journal. 2:84-89
Coffee ecosystems in the Soconusco, Chiapas, Mexico, with Coffea arabica are characterized by different cropping intensities, high diversity of soil and climate conditions. The main objective of this long-term study was the analysis of comprehensive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4ba6f41bca1f72c56191cc09f17ea22
https://doi.org/10.2174/1874331500802010084
https://doi.org/10.2174/1874331500802010084
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