Food and Agriculture : Glossary

There are 46 documents in this section.

  • Catchment

    23 January 2001

    A drainage basin, or the area drained by a particular river system. Adjacent drainage basins are separated by watersheds. In North America, the term watershed refers to the entire drainage basin, and the height of land between basins referred to as a divide.

  • Agronomy

    14 September 2000

    The study of land management and rural economy.

  • Cash cropping

    14 September 2000

    Growing crops for monetary return rather than direct food supply.

  • Contour ploughing

    14 September 2000

    A method of cultivation designed to reduce soil erosion. Ploughing is carried out across the slope, rather than up and down it. This reduces the flow of water and reduces the potential for erosion.

  • Crop rotation

    14 September 2000

    Arable system in which a field is planted with different crops in a regular sequence over a set period of years. For example, a corn crop, which has high nitrogen demands, might be followed by a leguminous crop like peas or clover to restore the nitrogen to the soil. Crop rotation helps replenish nutrients and control pest infestations.

  • Fallow

    14 September 2000

    Land left unsown for a season, giving it a rest from cropping.

  • Fodder

    14 September 2000

    Animal food which has been grown or collected specifically for livestock. For example, hay, straw, feed grain, grass, kale.

  • Genetic engineering

    14 September 2000

    Inserting genes from one source into another using molecular techniques.

  • Genetically modified organism (GMO)

    14 September 2000

    The product of genetic engineering.

  • Green Revolution

    14 September 2000

    The term given to the rapid increase in crop production brought about in the late 1950s and 1960s by a combination of increased fertiliser use and the introduction of new high yielding varieties of grain.