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大民3307是内蒙古大民种业2006年育成的玉米高产品种,2008年通过内蒙古自治区农作物品种委员会审定(内审玉2008024号)。该品种在兴安盟生育期125d左右,需≥10℃有效积温2 700℃左右,一般产量在12750~13 500kg/hm2,最高产量达15 000kg/hm2以上,累计推广6.0万hm2。1高产栽培技术1.1产量回归方程产量回归方程是采用二次回归正交旋转组合设计,选用种植密度(X1)区间值为7 500株/hm2,氮肥施用量(X2)区间值为N 30kg/hm2,磷肥施用量(X3)区间
DaMin 3307 is a high-yielding maize variety bred in Inner Mongolia in 1998. It was approved by the Crop Variety Commission of Inner Mongolia Autonomous Region in 2008 (Inner Jade 2008024). The varieties in Xingan League about 125d, about ≥10 ℃ effective accumulated temperature of about 2 700 ℃, the general output of 12750 ~ 13 500kg / hm2, the maximum output of 15 000kg / hm2 above, the total promotion of 60,000 hm2.1 high yielding cultivation techniques 1.1 Regression equation of output The regression equation of output was quadratic regression orthogonal revolving combination design. The range of planting density (X1) was 7 500 plants / hm2, the interval of nitrogen fertilizer application (X2) was N 30 kg / hm2, (X3) interval