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  2. Waterlogging (agriculture) - Wikipedia

    en.wikipedia.org/wiki/Waterlogging_(agriculture)

    In irrigated agricultural land, waterlogging is often accompanied by soil salinity as waterlogged soils prevent leaching of the salts imported by the irrigation water. From a gardening point of view, waterlogging is the process whereby the soil hardens to the point where neither air nor water can soak through.

  3. Rainwater harvesting in the Sahel - Wikipedia

    en.wikipedia.org/wiki/Rainwater_harvesting_in...

    Landscape gradient of the Sahel, photographed from space. The Sahel is an ecologically (rather than geopolitically) defined region of Africa.The noun Sahel comes from the Arabic sāḥil (Arabic: ساحل) describing a border, shore or edge, which aptly describes the transitional areas of Africa where savanna becomes the hyper-arid Sahara Desert.

  4. Zaï - Wikipedia

    en.wikipedia.org/wiki/Zaï

    Zaï pit process Zaï in Batodi, municipality of Tajaé, Niger. Zaï or tassa is a farming technique of digging pits in less permeable soil to catch water and concentrate compost. [1]

  5. Waterlogging - Wikipedia

    en.wikipedia.org/wiki/Waterlogging

    Waterlogging or water logging may refer to: Waterlogging (agriculture), saturation of the soil by groundwater sufficient to prevent or hinder agriculture; Waterlogging (archeology), the exclusion of air from an archeological site by groundwater, preserving artifacts; Underwater logging, the process of harvesting trees that are submerged under water

  6. Environmental impact of irrigation - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    waterlogging and drainage problems in villages, agricultural lands, and along roads - with mostly negative consequences. The increased level of the water table can lead to reduced agricultural production. shallow water tables - a sign that the aquifer is unable to cope with the groundwater recharge stemming from the deep percolation losses

  7. Drainage system (agriculture) - Wikipedia

    en.wikipedia.org/wiki/Drainage_system_(agriculture)

    Such a system is therefore called a checked, or controlled, drainage system. More usually, however, drainage systems are meant to function as regularly as possible to prevent undue waterlogging at any given time and it is this regular drainage system that is most often employed. In agricultural literature, this is sometimes also called a ...

  8. Agroecology - Wikipedia

    en.wikipedia.org/wiki/Agroecology

    Agroecology is defined by the OECD as "the study of the relation of agricultural crops and environment." [2] Dalgaard et al. refer to agroecology as the study of the interactions between plants, animals, humans and the environment within agricultural systems. [3]

  9. Leaching (agriculture) - Wikipedia

    en.wikipedia.org/wiki/Leaching_(agriculture)

    In agriculture, leaching is the loss of water-soluble plant nutrients from the soil, due to rain and irrigation. Soil structure, crop planting, type and application rates of fertilizers, and other factors are taken into account to avoid excessive nutrient loss.