Guías de Producción de Frutas y Verduras, Manuales de Horticultura

Effects of season and fruit size on the quality of ‘egusi’ melon [Citrullus lanatus (Thunb) Matsum and Nakai] seed

  A study was undertaken at the Teaching and Research Farm of the University of Agriculture, Makurdi in the wet and dry seasons of 2005 and 2007 to monitor the effects of season and fruit size on the seed quality of ‘egusi’ melon [Citrullus lanatus (Thunb.) Matsum and Nakai]....
P. A. Kortse
J. A. Oladiran
T. S. Msaakpa
ARPN Journal of Agricultural and Biological Science

African Organic Agriculture Training Manual: Cocoa Crop Management

Cocoa (Theobroma cacao) plantations are one of the most important forms of land use and are of enormous economic importance to developing countries in the humid tropics. The main cocoa producing countries in Africa include Cameroon, Ivory Coast, Ghana and Nigeria in West Africa. However, organic...
Joachim Milz
Brian Ssebunya
FiBL, Research Institute of Organic Agriculture, Switzerland

Evaluación de alternativas para la protección de semilleros de tomate (Lycopersicum esculentum Mill) contra el ataque del complejo mosca blanca (Bemisia tabaci, Gennadius)-Geminivirus

  Con el objetivo de evaluar alternativas de protección físicas y químicas de semilleros de tomate, se llevó a cabo un ensayo en el Municipio de Tisma, Masaya; en el período comprendido entre mayo y septiembre del año 2007. Los tratamiento evaluados...
Edgardo Jiménez-Martínez
Victor Sandino-Díaz
Victor Hugo Rodríguez-Salguera
José Luis Morales-Blandón
Universidad Nacional Agraria - Nicaragua

Efficacy of biofoliar spray on plant nutrients of different mulberry varieties

  Biofoliar spray is a technique of feeding plants by applying nutrients directly on their leaves in a ready form. The objective of the current study was to investigate the interactive biofoliar formulation on their concentrations (15ppm, 30ppm and 45ppm) to enhance plant nutrients (N, P, K,...
Venkatesh Kumar
Dhiraj Kumar
Satguru Prasad
Journal of Biopesticides

Watering and Fertilizing Tomatoes in a High Tunnel

Successful production of tomatoes within a high tunnel hinges on proper watering and fertilization. High tunnels exclude natural rainfall, so timely irrigation is important. Because tomato fruits are more than 90 percent water, yield and quality suffer when plants are under drought stress. When...
Lewis W. Jett
University of Missouri Extension

Irrigation Basics for Eastern Washington Vineyards

For crop production, water is everything. Although water is critical to plant growth and survival, water sources and control over them can vary substantially across the production regions of the world. For grapes, many regions in New World production areas would not be so successful without...
Michelle Moyer
R. Troy Peters
Rick Hamman
Washington State University

African Organic Agriculture Training Manual: Coffee Crop Management

Coffee is a major commodity on the global market. In Africa the crop is grown in many sub-Saharan countries and mainly by small-holder farmers. Although many species of coffee exist, commercial production is based principally on Coffea arabica and Coffea canephora, commonly referred to...
Brian Ssebunya
FiBL, Research Institute of Organic Agriculture, Switzerland


El huerto doméstico Las variedades de ajo se clasifican como cuello duro o cuello blando. Las variedades cuello duro (Allium sativum var. ophioscorodon) producen un tallo con flores (técnicamente un escapo) y se cononcen por los bulbillos o hijuelos que brotan. Las flores, si es...
Eldon Everhart
Cindy Haynes
Richard Jauron
Iowa State University

Asfixia radicular en huertos de paltos: Manejo del riego y suelo

En el palto, los productos de la fotosíntesis y las reservas nutricionales del árbol se distribuyen preferencialmente hacia los frutos y el desarrollo vegetativo del árbol, en desmedro del crecimiento del sistema radicular, lo que hace que las raíces sean altamente...
Raúl Ferreyra E.
Gabriel Sellés V.
Pilar Gil M.
Rafael Ruiz Sch.
INIA Chile

Lowering the Soil pH with Sulfur

Blueberries prefer acid soils with a pH of 4.5 to 5.5. With the popularity of blueberries many people are interested in quickly adjusting their soil pH. Acidifying soil is not an exact science; this handout is just a guide. The cheapest way to lower the soil pH is to add elemental sulfur to the...
Mark Longstroth
Michigan State University