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一、缩行增株,合理密植杂交油葵植株生长整齐,无分枝,叶缘上举,果盘倾斜度小。可采用60厘米等行距或60+40厘米宽窄行播种,增加田间株数。采用宽窄行播种,土地利用率比传统的70厘米等行距播种提高28%以上。二、适当推迟播期,使油葵开花盛期避开夏季高温正播油葵开花盛
First, the shrinkage by strains, a reasonable close planting Hybrid oil sunflower plants grow neatly, no branches, leaf margin on the move, fruit plate tilt is small. Can be 60 cm spacing or 60 +40 cm wide and narrow row sowing, increase the number of plants in the field. Seeding with wide and narrow lines, the land utilization rate increased by 28% or more compared with the conventional 70 cm line spacing sowing. Second, the appropriate postponed sowing, so that the flowering of oil sunflowers to avoid the summer high-temperature oil sunflowers are Sheng