1. Recurso clave
    1/1/2002 Acidification of soil is a natural process with major ramifications on plant growth. As soils become more acid, particularly when the pH drops below 4.5, it becomes increasingly difficult to produce food crops. As soil pH declines, the supply of most plant nutrients decreases while aluminum and a...
  2. Recurso clave 1/1/1995 Fourteen chapters address various aspects of human waste or, as the editor puts it, the "by-products," of our increasingly urban and industrial society. Topics range from the societal, political, and regulatory issues associated with land application to more technical issues such as the negative...
  3. 1/1/1980 Among its other activities, FAO has focused on developing natural resources and approaches for their better utilization in order to increase food production in developing countires.This FAO book contains technical papers on soil and plant testing services in many different countries. Also...
  4. 1/7/2004 Leímos un artículo en Appropriate Technology (Volumen 28, No. 3; Julio/Septiembre 2001) sobre agricultores en Níger que usaban tapas de botellas para distribuir pequeñísimas cantidades de fertilizante. A pesar de las condiciones de sequía, los agricultores que usaron esta técnica cosecharon de 50...
  5. 1/1/2012 Una pregunta que se nos hace en ECHO es: “Tienen ustedes una finca orgánica?” Y la respuesta es: “No. Porque debido a nuestros suelos, clima y objetivos únicos nosotros utilizamos herbicidas, insecticidas y fertilizantes minerales según se necesiten. Al mismo tiempo, nuestra meta es minimizar...
  6. 19/1/1997 Information about making bonemeal fertilizer from animal bones.
  7. 15/5/2013 Sustainable Decentralized Water Treatment for Rural and Developing Communities Using Locally Generated Biochar Adsorbents An Introduction to Bokashi Fertilizers and Soil Amendments
  8. Anaerobic digestion, or biodigestion, involves the microbial degradation of organic materials in an oxygen-free environment. Feedstocks for anaerobic digestion include livestock manures, crop residues, culled fruit and vegetables, food waste, and other organic by-products. The process produces...
  9. 19/7/1994 Nitrogen fertilizer should not be applied to trees and shrubs directly after transplanting.
  10. 20/4/2014 La consuelda es una planta única y perenne que requiere un mínimo de mantenimiento luego de plantada y que puede proporcionar rendimientos altos y sostenidos de hojas ricas en nutrientes para ser usadas como fertilizante, alimento para animales y más.