Botanical name: Brassica caularapa - Knol – khol Importance: This cultivated for knob (swollen portion above the ground).Leaves are also used for cooking.In India it is cultivated in Kashmir. Its cultivation is limited in other states. Late varieties are used as animal fodder. Late varieties: Some of the best varieties are wiser snscor, wiser tribe, king of north White Vienna: is an early varieties with a duration of 60 – 80 days heads are slightly oblong and light green in colour. Purple Vienna: little brittle enough 80 – 90 mature. Heads slightly purple and medium size. King of north: plant height only 20 – 30 cm.Knobs are flatish round and dark green in colour, cops comes to maturity 60 -75 days. Soil: It is a hardy vegetable can be grown variety of soil, however well trained red loamy soil is best suited for its cultivation. pH vary 5.8 to 6.8. Climate: Temperature range is 10 – 20 0 C is ideal. Continuous hot weather is detrimental which induce knob development....
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