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一、黎优57的基本特点(和新稻68-11相比):“三短、一长、一省”.“三短”:秧令较短,适宜秩令为25-30天;有效分蘖期较短,20天左右;全生育期较短,130-135天.“一长”:灌浆期长,从抽穗到成熟为45-50天.“一省”:比68-11少用化肥20%左右.二、黎优57栽培技术要点:根据黎优57的特点,在培育带蘖、适令壮秧和合理密植的基础上,主攻早促重促,
First, the basic characteristics of Liyou 57 (compared with the new rice 68-11): “Three short, one long, one province ”. “Three short ”: Young seedling shorter, suitable rank order of 25- 30 days; the effective tillering period is shorter, about 20 days; the whole growth period is short, 130-135 days. “A long”: a long filling period, from heading to maturity for 45-50 days. “A province ”: Less fertilizer than 68-11 about 20%. Two, Liyou 57 cultivation techniques: According to the characteristics of Liyou 57, nurturing with tillers, to make strong seedlings and reasonable close planting on the basis of the main attack early to promote heavy ,