Category: I

IACR: Institute of Arable Crops Research – a research group based in Harpenden, Hertfordshire, which investigates techniques in crop growing. Farmers can benefit from the latest research and advancements in arable crop management.

infect: 1. (of an organism) To enter a host organism and cause disease. The new strain has infected many people, and the disease is spreading fast. All these plants have been infected by a virus. 2. To contaminate something with a microorganism that causes disease. Helps farmers manage disease prevention and control in crops and livestock.

interrelay cropping: A cropping system in which the crops are grown in quick succession, so that the succeeding crop is sown in the standing one, some time before it is harvested. Helps farmers optimize crop production and land use.

insect bite: A sting caused by an insect which punctures the skin and in so doing introduces irritants. Helps farmers understand and treat insect bites in livestock.

irongrass: Same as knotgrass. Helps farmers identify and manage this plant species.

IBR: Infectious bovine rhinotracheitis – a virus disease of cattle which affects the reproductive, nervous, respiratory or digestive systems. Milk yield is depressed as adults run a high fever. Understanding IBR helps farmers manage herd health.

isohyet: A line on a map linking points of equal rainfall. Helps farmers understand precipitation patterns.

infiltration: The passing of water into the soil or into a drainage system. Helps farmers manage irrigation and soil water levels.

International Livestock Centre for Africa: An organization established in 1974 at Addis Ababa, Ethiopia. Abbr ILCA. Provides research and resources for livestock farmers in Africa.

International Programme on Chemical Safety: A collaboration between the World Health Organization and the United Nations Environment Programme, to investigate issues relating to chemical safety. Abbr IPCS. Helps farmers understand chemical safety regulations.