Production végétale

This category contains 360 resources

Evergreen Agriculture: The use of fertilizer trees in maize production in Malawi.

Agroforestry is a set of tools which farmers can use to increase yields, build soil fertility, raise their income, and boost their food security. ICRAF and its partners have worked closely with farmers for decades to promote and develop simultaneous intercropping practices to address the challenges in soil fertility facing smallholder farmers.

As supplementary technology in evergreen agriculture, agroforestry technology will focus on the concept of simultaneous intercropping of proven fertilizer trees in replenishing soil fertility and increasing crop yields. Simultaneous intercropping is an agroforestry technique whereby nitrogen-fixing woody trees are simultaneously grown with annual crops on the same piece of land at the same time. This is done in order to improve soil fertility and increase yields. While the trees are on the land throughout the year, the crops planted at the beginning of the rainy season dominate during the growing season.

Evergreen Agriculture: Conservation Agriculture in maize production in Malawi.

Evergreen Agriculture is a combination of conservation agriculture and agroforestry practices within the same spatial and temporal dimensions. In other circles, evergreen agriculture is referred to as agroforestry based conservation agriculture or Conservation Agriculture With Trees (CAWT). Evergreen agriculture is being tested by ICRAF in conjunction with partners in Malawi and across Africa as the means for enhancing soil fertility, increasing crop productivity and increasing food production.

This section will focus on the principles and practices of Conservation Agriculture (CA) as applied in maize production in Malawi. Conservation agriculture also improves the soil health and productivity as well as improves the crop production. ICRAF envisages that a combination of these two technologies together with other technologies will improve soil health and improve crop production and finally improves food security in Malawi.

Establishing a tree nursery

At present the need to plant trees on farms is on the increase. It is difficult, however, for smallholders to access – at the right time, in the right quantities and of high quality – the trees that they want to plant. In order to meet present and future demand for planting materials, there is a need to promote on-farm and community tree nurseries. Such nurseries can be owned and managed by individual farmers, by self-help groups, by schools, by churches and/or by a range of other local institutions. They provide income-generating opportunities, act as models for further nursery development, provide seedlings more cheaply to planters, and can raise the particular species that local people are interested in. The practice describes the various steps involved in the establishment of a tree nursery.

Grafting Techniques of Allanblackia spp

This technology describes various stages of propagating Allanblackia species by grafting.

Grafting is a technique widely used in horticulture and forestry for the mass production of selected plants, and is one of the most successful methods for propagating Allanblackia vegetative. The technique involves formation of a union between scions taken from desirable mother trees and rootstocks that are normally young or healthy seedlings established in the nursery.

By grafting, the period between field establishment and when a tree flowers and fruits is generally shorted. This means that farmers can realize revenues more quickly.

Improved Fallows

Natural fallow is land resting from cultivation, usually used for grazing or left to natural vegetation for a long period to restore soil fertility lost from growing crops. Improved fallow is also land resting from cultivation but the vegetation comprises planted and managed species of leguminous trees, shrubs and herbaceous cover crops. These cover crops rapidly replenish soil fertility in one or at most two growing seasons. They shorten the time required to restore soil fertility; they help to improve farmland productivity because the plant vegetation that follows them is superior in quality; and they increase the range of outputs, because the woody fallow species can also produce fuel wood and stakes.

This practice aims to describe how to establish and manage improved fallow as an innovative agroforestry technology that can meet the different needs of the farmers
and improve the natural resource base. It is intended to serve as a useful guide for extension staff, non-governmental organizations, community-based organizations
and farmers.

Les Techniques d'Agriculture de Conservation dans les zones rurales d'Haïti

Ceci n'est pas la version finale de cette fiche technique: le contenu est sous révision et pourrait être modifié. La version finale sera disponible après validation technique vers le 30 août 2017.

L'application des techniques d'agriculture de conservation répond à une nécessité d'apporter des réponses pratiques à la dégradation des sols, la faible fertilité des sols, et à la protection des bassins hydrographiques de la zone considérée. Les objectifs de cette technique sont de conserver, d'améliorer et de faire un usage plus efficient des ressources naturelles à travers la gestion intégrée des sols, de l'eau et d'autres ressources disponibles. Cette fiche technique décrit les trois principes de l'agriculture de de conservation en réponse à l'adaptation à la sécheresse, aux changements climatiques en particulier aux variations de la température et de la pluviométrie. Sa principale caractéristique est la régénération des sols plus rapide de sorte que l'intensification de la production agricole soit économique, écologique et socialement durable. Elle repose sur trois principes de base:

  1. La rotation ou association de cultures
  2. Le zéro labour ou labour minimal
  3. La couverture permanente du sol

Prácticas tradicionales de jardines flotantes para la producción de hortalizas en Bangladesh

El presente documento es una traducción de la versión original en inglés (http://teca.fao.org/read/8867). La práctica del jardín flotante es un sistema de producción indígena local de mayor éxito en los humedales, áreas sumergidas e inundadas de los distritos seleccionados del sur y sur-oeste (Pirojpur, Barisal y Gopalganj) de Bangladesh. Las prácticas agrícolas de jardín flotante han sido adoptadas por los agricultores locales desde hace casi dos siglos. Esta tecnología se describe en detalle cómo construirla y gestionar estos jardines para la producción de diferentes cultivos (hortalizas y especias).

Mejora de jardines flotantes tradicionales para la producción de hortalizas en Bangladesh

El presente documento es una traducción de la versión original en inglés (http://teca.fao.org/read/8868). La agricultura de jardines flotantes (conocida localmente como vasoman / dhap chash) es una tecnología de innovación de producción de cultivos locales para el ecosistema sumergido en las regiónes delsur de Bangladesh. Tradicionalmente, los agricultores de los distritos Gopalganj, Pirojpur y Barisal han usado la práctica ya desde hace casi dos siglos adaptándose a las condiciones de inundación / de sumersión. Para adaptar las prácticas tradicionales de jardines flotantes para cultivar cucurbitáceas u otros tipos de hortalizas enredaderas con éxito, se realizaron programas de investigación. Esta tecnología describe cómo se implementa dicha práctica mejorada para la producción de hortalizas enredaderas y cómo administrarla.

Método del cultivo hidropónico simple no circulante para vegetales

El presente documento es una traducción de la versión original en inglés (http://teca.fao.org/read/8825). El cultivo hidropónico es el método más común de cultivo de plantas agrícolas sin tierra, que incluye el cultivo de plantas sobre un sustrato o en un medio acuoso con raíces desnudas. Los métodos hidropónicos no circulantes, sobre todo, no requieren electricidad ni una bomba. Con el método presentado en este documento, se puede cultivar todo el cultivo con sólo una aplicación inicial de agua y nutrientes. No se necesita agua o fertilizantes adicionales. Normalmente, el cultivo termina cuando la mayor parte de la solución nutritiva esté consumida. Este documento proporciona dos detalladas descripciones paso a paso de kits del cultivo hidropónico simple no circulante para el cultivo de hortalizas a pequeña escala, uno para vegetales de ciclo corto (por ejemplo, lechuga o kai choy) y otro para hortalizas de ciclo largo (por ejemplo, pepino o tomate).

Construction of a non-recirculation hydroponic unit for commercial lettuce production

Hydroponics is the most common method of soil-less culture (growing agricultural plants without the use of soil), which includes growing plants either on a substrate or in an aqueous medium with bare roots. Non-circulating hydroponic methods, importantly, do not require electricity or a pump. With the method presented in this document, the entire crop can be grown with only an initial application of water and nutrients. No additional water or fertilizer are needed. The crop is usually terminated when most of the nutrient solution is consumed. This document provides a detailed description of the construction of the growbeds and grow sheets used in the non-circulating hydroponic unit for commercial lettuce production.

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