Black gram — 1Crop suitability

• Climate suited to black gram

  Black gram suits a tropical and sub-tropical hot and humid growing season. It is generally grown in the kharif (rainy) and summer seasons. Heavy rain during flowering is harmful to yield.

  Pending expert review

  Source

  Crop Production Guide – Agriculture 2020 (Directorate of Agriculture, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Blackgram – Climate requirement, p. 133

  Region

  Tamil Nadu

  Last updated

  2026-11-04

• Acidic soils and organic nitrogen

  Lime application is recommended for pulses when the soil pH is less than 6.0. Half (50%) of the nitrogen can be substituted with an organic source: 850 kg of vermicompost per hectare.

  Pending expert review

  Source

  Crop Production Guide – Agriculture 2020 (Directorate of Agriculture, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Pulses – Nitrogen substitution / lime, p. 139

  Region

  Tamil Nadu

  Last updated

  2026-11-04