“双两大”栽培是采用每蔸双株,两段育秧,大蔸大行移栽的一种高产栽培新技术。大面积示范栽培,一般比普通栽培法亩增稻谷40～60公斤,每亩大田节省用种量0.5公斤,收到了显著的增产节支效果。其栽培技术要点是:一、培育健壮小苗第一段场地育秧,选择平、硬、净的水泥晒坪、三合土晒坪或空坪隙地(但要求垫一层细砂或地膜作隔离层,以利寄插时起苗)。然后 “Double big ” Cultivation is a high-yielding cultivation of new technology that uses double-stranded per plant, double-staged transplanting and large plantation. Large-scale demonstration cultivation, generally than the average cultivation method of rice by 40 to 60 kilograms, per acre field save the amount of 0.5 kg, received a significant increase in yield and savings. The cultivation techniques are: First, nurturing the first section of robust nursery seedlings, choose flat, hard, clean cement floor, triple sand ground or empty flat ground clearance (but require a layer of sand or plastic cushion for the isolation layer to Lee pin inserted when the seedlings). then