Manejo de Suelos - Fertilización, Compostado, Nutrición vegetal
Calculating the Fertilizer Value of Broiler Litter
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Given below is a procedure to calculate the value of broiler litter based on prevailing retail selling prices of commercial fertilizers containing nitrogen (N), phosphorus (P) labeled as %P2O5 (the oxide expression used in the fertilizer industry) and potassium (K) labeled as %K2O. The calculation...
University of Georgia
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Lowering the Soil pH with Sulfur
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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...
Michigan State University
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Soil Application of Zinc Improves Growth and Yield of Tomato
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In a glasshouse pot experiment, effect of soil applied Zinc (@ 0, 5, 10 & 15 mg kg-1) on the growth, yield and biochemical attributes was studied of two tomato cultivars; VCT-1 and Riogrande. Zinc application increased the plant growth and fruit yield in both cultivars. Maximum plant growth...
International Journal of Agriculture and Biology
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Effects of NPK (15:15:15) Fertilizer on Some Growth Indices of Pumpkin
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Effects of NPK (15:15:15) fertilizer on some growth indices of pumpkin, Cucurbita moschata (Duch. ex Lam.) Duch. ex Poir. were studied. Eight treatments viz; 0, 200, 250, 300, 350, 400, 450 and 500 kg of NPK fertilizer per hectare (kg ha-1) were used in a Randomized Complete Block Design (...
Asian Journal of Agricultural Research
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Uso de compostas y vermicompostas para la producción de tomate orgánico en invernadero
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Una alternativa en la agricultura orgánica es la utilización de sustratos orgánicos. El objetivo del presente trabajo fue evaluar el efecto de tres compostas y tres vermicompostas mezcladas en diferentes proporciones (100, 75 y 50%) con arena, sobre el rendimiento y calidad de...
Interciencia
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Composting on Organic Farms
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One of the main goals of every organic farmer is to build longterm soil fertility and tilth by feeding the soil with a variety of natural amendments. The regular addition of compost is one of the best ways to enhance soil organic and humic content, which helps to build a fertile soil structure....
North Carolina Cooperative Extension Service
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Best Management Practices for Wood Ash as Agricultural Soil Amendment
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Wood was burned in the United States in the 1700s through the early 1900s to produce ash for chemical extraction. The ash was used mainly to produce potash for fertilizer and alkali for industry. As other potash production technologies became more economical, the value of wood ash as a raw...
University of Georgia
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Obras de conservación de suelos y agua en laderas
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En esta publicación El Proyecto Red SICTA, del IICA/Cooperación Suiza, hace un esfuerzo por rescatar diversas alternativas de Conservación de Suelos y Agua (CSA), tomando en cuenta que las laderas son ambientes heterogéneos.
Desde el punto de vista técnico-cient...
Proyecto Red SICTA del IICA/Cooperación Suiza en América Central
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Safer Tomato Production Techniques
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A field guide for soil fertility and pest management
This guide provides comprehensive information for tomato growers and extension staff on healthy seedling production, application of balanced and optimum quantities of organic fertilizers, and management of major insect and mite pests and...
AVRDC – The World Vegetable Center
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Integrated use of Rhizobium leguminosarum, plant growth promoting rhizobacteria and enriched compost for improving growth, nodulation and yield of lentil (Lens culinaris Medik.)
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Maintenance of high bacterial population in the rhizosphere improves the efficiency of the organisms. This high bacterial population can be maintained by the application of enriched compost which supports their growth and activities. Thus integrated use of Rhizobium, plant growth promoting...
Chilean Journal of Agricultural Research
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