一、选用良种．提高播种质量在红花产区全面采用良种新红花1号、2号，并保证种子纯度在95％以上。红花于5cm地温达5℃以上时即可播种，适期早播可以提高产量。南疆地区播期一般在3月上旬至下旬，北疆地区一般在4月上中旬。播种采用谷物播种机条播，播种深度4－5cm，根据密... First, the selection of seeds. Improve the quality of planting Full use of safflower producing areas safflower No.1 and No.2 in safflower producing areas and ensure that the purity of the seeds is above 95%. Safflower in 5cm temperature above 5 ℃ can sow, premature sowing can improve the yield. Sowing southern part of the general in early March to late, northern region generally in mid-April. Seeding sowing machine with corn sowing, sowing depth 4-5cm, according to the secret ...