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以山东省农业科学院作物研究所新近育成的优质面包专用小麦济南 17号、95 5 15 9和优质高产面条小麦 935 0 31为材料 ,选择我省不同气候、生态条件和不同地力水平的菏泽市 (鲁西南区 )和陵县 (鲁北区 )研究氮肥不同施用时间和不同施用量对产量和产量形成因素的影响 ,结果表明 :要实现优质小麦的高产栽培 ,不论地力、气候、产量如何 ,氮肥最佳施用时期为春季实行 2次追肥 ,即在基肥 15 0kg/hm2 尿素基础上 ,追肥以拔节期 2 2 5kg/hm2 加孕穗期 75kg/hm2 尿素最为理想。在中等地力和中产水平条件下 ,纯N施用量以 2 2 5kg/hm2产量高。二者结合起来 ,为相似类型品种优质高产栽培的理想氮肥施用方案
Taking Heze (Heze) city of different weather, ecological conditions and different soil fertility levels of Jinan as the material, the newly developed high quality bread wheat Jinan 17, 95 5 15 9 and the high quality and high yield noodle wheat 935 0 31 were bred by Crop Research Institute of Shandong Academy of Agricultural Sciences Southwest Shandong) and Lingling (Lubei District) to study the effects of nitrogen fertilizer application time and different application rates on the yield and yield formation factors. The results showed that to achieve the high-yielding cultivation of good quality wheat, regardless of soil fertility, climate and yield, The best application period is 2 topdressing in spring, that is, top dressing with 150kg / hm2 urea on base of topdressing jointing 225kg / hm2 plus booting 75kg / hm2 urea is the most ideal. At moderate levels of geotechnical and intermediate levels, pure N application rates were high at 225 kg / hm2. The combination of both, for similar types of high-yielding varieties of high quality ideal nitrogen fertilizer program