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  • What are the main production constraints for groundnuts?
  • The main production constraints for groundnut include abiotic stresses (drought, high temperatures, poor fertility, low pH, Ca deficiency, and chlorosis) and biotic stresses (diseases ¨C rust, leaf spot, and aflatoxin contamination; and insect pests ¨C pod borers, aphids, thrips and mites).
  • How much oil does a groundnut kernel contain?
  • Groundnut kernels contain 47-53% oil and 25-36% protein. The crop is cultivated between 40oN to 40oS of the equator. Groundnut is a self po llinated crop whereby flowers are produced above ground and, after fertilization, pegs move towards the soil, and seed-containing pods are formed and developed underneath the soil.
  • Can groundnut oil be used in biodiesel production?
  • Groundnut haulms are in high demand for fodder, and the groundnut cake after the extraction of the oil is also mixed in animal feeds or organic fertilizers. More recently due to promotion of bioenergy production, use of groundnut oil in biodiesel production is also being evaluated.
  • What is the productivity of groundnuts?
  • The productivity of groundnuts varies from 3500 kg/ha in the United States of America to 2500 kg/ha in South America, 1600 kg/ha in Asia, and less than 800 kg/ha in Africa. This is due mainly to various abiotic and biotic constraints.