The optimal temperature range for cauliflower is between 65 and 68° F. It is extremely sensitive to unfavorable conditions, such as unusually hot weather, drought or too low temperature, which often result in the formation of premature heads or curds. However it can yield up to 15,000 – 20, 000 kg cauliflower heads per acre based upon the variety you chose to cultivate. Hollow auger was used to collect root samples from a depth of 0–45 cm. Key words: Cauliflower, Crop duration, Curd yield, Temperature, Weather mong different vegetable crops, cauliflower (Brassica oleracea var. Cauliflower cultivation in 1 acre requires 300 – 350 gm/ acre of seed rate. Expected Expenditure (Rs) 45,000. Expectation. Temperature. Mix some mulch into this soil ridge to further aid in moisture retention, protect delicate roots, keep the ground cool, and inhibit weed growth. To increase moisture retention, make a narrow moat around each plant by mounding soil up in a ridge around it. 100-120 days after sowing. Cauliflower. The temperature … Expected Harvest. Duration of Cauliflower crop is 90-120 days. 10/kg cauliflower … The cauliflower crop is grown fro m seedlings raised in nursery beds. Cauliflower curd initiation temperature Optimum -15.5°C Crop duration Crop duration steadily declined from about 140 days down to about 90 days as the sowing date advanced from late February (calendar day 55) to early May (calendar day 130). The biometric observation of cauliflower crop was taken from centre rows of the treatments to avoid edge effects. The biometric properties such as LAI and RLD were observed for the entire crop duration starting from initial to maturity stage at an interval of 25 days. Cauliflower is a cool-season crop requiring more exacting temperature for quality production than its relatives. Cauliflower requires even moisture, so don’t let it dry out. The average price a farmer can get is Rs. Wiebe ( 1984 ), in particular, commented on the unusually hot summer of 1983 in the south of Germany where curd initiation in the summer cauliflower was delayed by several weeks. 80-100 Quintal/acre. Increases in crop duration after sudden periods of unusual high temperatures are frequently seen in commercial cauliflower production, causing recurring problems of continuity in supply. Expected Duration. 27. High temperature leads to yellowing of heads. Expected Income (Rs) 81,000. Heavy rains, cloudy weather at the time of curd formation is harmful as it affects the head quality. Favourable Climate. Climate. The less you weed, the better, as the roots are shallow and fragile.