• Kor hour / Kor period is the critical growth period of a crop during which water demand is maximum. 
  • For most crops, the kor period varies between 2 and 4 weeks.
  • Kor watering is given during Kor period. 
  • Kor watering is given to a crop when it has grown a few centimeters high.
  • The depth of water applied in kor watering is known as kor depth.

 

Crop

Kor period

Kor depth

Rice

2-4 weeks

19 cm

Wheat

3-8 weeks

13.5 cm

Last modified: Sunday, 17 May 2026, 11:52 PM