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FAO -

An expanding world population and the urgency of eradicating hunger and malnutrition call for determined policies and effective actions to ensure sustainable growth in agricultural productivity and production. Assured access to nutritionally adequate and safe food is essential for individual welfare and for national, social and economic development. Unless extraordinary efforts are made, an unacceptably large portion of the world’s population, particularly in developing countries, could still be chronically undernourished in the coming years, with additional suffering caused by acute periodic shortages of food.

For biomass synthesis, which serves as the food resource for humans and animals, nutrient supply to plants is a prerequisite. Therefore, an adequate and appropriate supply of plant nutrients, is a vital component of a crop production system. 

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  1. Ressource principale 20/01/2009 All plants need certain mineral elements for proper growth, development, and maintenance. The basic structure of all organisms is built of carbon (C), oxygen (O) and hydrogen (H). Plants obtain these elements from water (H2O) in the soil and carbon dioxide (CO2) in the air, so no input is...
  2. 20/01/2002 The conventional view of the relationship between soil nutrients and crop productivity in the tropics is leading to both damaging agricultural policies and inefficient and damaging farm-level practices. There is no need to use the huge quantities of chemical fertilizers that are so often...
  3. This article is from ECHO Asia Note #29 The old adage ‘You can’t fix a problem if you don’t know you have one’ underpins the basic science of diagnosing plant nutrient deficiencies. For years, farmers and scientists have worked together to identify a set of visual clues that can be used to...
  4. 03/10/2017 Soils of smallholder farmers are often depleted of organic matter and available soil nutrients, and may also be acidic and/or saline. We will review the causes and extent of these soil-related challenges in the developing world. A variety of possible management responses to these challenges will...
  5. 20/01/2011
  6. 07/05/2013 Just as he demystified the soil food web in his ground-breaking book Teaming with Microbes, in this new work Jeff Lowenfels explains the basics of plant nutrition from an organic gardener's perspective. Where Teaming with Microbes used adeptly used microbiology; Teaming with Nutrients employs...
  7. The International Plant Nutrition Institute (IPNI) is a not-for-profit, science-based organization dedicated to the responsible management of plant nutrition for the benefit of the human family. IPNI began operating in January of 2007 and now has active programs in Africa, Australia/New Zealand,...
  8. 15/06/1993 Amazon.com Description This book discusses the role of essential nutrients in relation to nearly two dozen crops. Use the book's 307 color photographs to diagnose disorders in the field. The accompanying text explains symptoms in detail, with information provided by 31 crop experts. Covers the...
  9. A comprehensive collection of crop nutrient deficiency photos. A range of nutrient deficiency examples are provided for 14 prominent crops. Text and diagrammatic descriptions are also provided. alfalfa, banana, barley, canola, citrus, cotton, maize, oil palm, potato, rice, sorghum, soybean,...
  10. This collection provides a comprehensive assortment of hundreds of classic cases of crop nutrient deficiency documented from research plots and farm fields located around the world. IPNI would like to thank our contributors; many are agricultural researchers, extension staff, crop scouts, and...
  11. Including Agribiological Research 85 Years of Excellence. With its focus on soil-plant interactions, the Journal of Plant Nutrition and Soil Science is one of the leading journals on this topic. It publishes reviews, high-standard original papers, and short communications covering the entire...
  12. Plant and Soil publishes original research papers and solicited review articles that deal with the interface of plant biology and soil sciences, and are of general interest. We give preference to those manuscripts with a strong mechanistic component which develop and test hypotheses aimed at...
  13. Plantnutritionistsacross the globe are on their toes to find ways and means to identify nutrient constraints as early in standing crop season as possible while dealing with perennial crops. Exciting progress has been made over the years, and accordingly, the basis of nutrient management strategy...
  14. Abstract -Journal of Plant Nutrition, 2006 On-farm studies were conducted during 2002–2004 to determine fertility status, including sulfur (S) and micronutrients, and crop response to fertilization on farmers’ fields in the semi-arid zone of India. Nine hundred-twenty four soil samples taken from...
  15. 20/05/2016 Vegetable crops thrive with the right combination of nutrients. By learning about the nutrients already present in their soil, farmers can determine the right amount and right type of fertilizer to use to promote good plant growth. In this video produced by the World Vegetable Center for the...
  16. 20/01/2006 An expanding world population and the urgency of eradicating hunger and malnutrition call for determined policies and effective actions to ensure sustainable growth in agricultural productivity and production. Assured access to nutritionally adequate and safe food is essential for individual...
  17. AccessAgriculture Training Video Des agriculteurs en Côte d’Ivoire montrent comment ils améliorent la production de manioc tout en restaurant la fertilité des sols. Il y a 5 choses à faire : l’utilisation de variétés améliorées résistantes au virus de la mosaïque du manioc; l’application de...
  18. AccessAgriculture Training Video Les oignons poussent bien dans des conditions très variées, mais pendant la saison pluvieuse, ils ont plus de chance d’être attaqué. Les maladies de l’oignon peuvent faire plier les feuilles et réduire le rendement. Les maladies peuvent se propager à travers le...
  19. AccessAgriculture Training Video Les oignons ont besoin d’un sol riche et fertile. Cultivez vos oignons seulement une fois tous les 3 ans dans le même champ. Plantez vos oignons dans des plates-bandes surélevées, en particulier pendant la saison pluvieuse. Repiquez vos plantules quand ils...
  20. AccessAgriculture Training Video Les plantules d’oignon requièrent un sol meuble. Ajoutez du compost. En saison pluvieuse, vous devez élever la hauteur de la pépinière afin que les racines des plantules ne pourrissent pas. Si vous utilisez de la semence de bonne qualité, la plupart des semences...
  21. AccessAgriculture Training Video Pour résoudre les problèmes de la pauvre fertilité du sol et lutter contre la mauvaise herbe striga avec des moyens limités, certaines producteurs de Niger font la micro dose aux cultures de sorgho et de mil. Comparativement à l’application à la volée, l’apport...
  22. AccessAgriculture Training Video Lorsque l'urée est appliqué dans la lame d’eau, il se dissout facilement et l'azote se perd rapidement et échappe donc à la plante de riz. Autrement dit, environ deux sur trois sacs de d'urée appliqué de cette manière échappent à la plante. Par contre, le...
  23. AccessAgriculture Training Video Dans cette vidéo vous apprendrez tout ce qu’il faut savoir sur les nutriments, la structure des sols, la matière organique et les moyens de maintenir la fertilité du sol. Ceci vous permettra de continuer à cultiver votre terre en produisant des cultures saines....
  24. Research, led by Dr Guillaume Chomicki from the Department of Plant Sciences, University of Oxford, has demonstrated that millions of years of ant agriculture has remodelled plant physiology. Farming ants deposit nitrogen-rich faeces directly inside plants, which has led to the evolution of these...
  25. Abstract, International Journal of Molecular Science, 2019 K+is an essential cation and the most abundant in plant cells. After N, its corresponding element, K, is the nutrient required in the largest amounts by plants. Despite the numerous roles of K in crop production, improvements in the...