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一、供试材料: 供试材料共32个,包括我所三代以上材料12个,我市郊县群众选育材料8个,引入材料10个,推广品种2个,以东方红三号为对照。其中群选材料为:南大生物系的0—4—1,西郊第六埠大队的埠280—2,东郊十三顷大队的多穗三号,静海刘官庄的静丰1号,武清414大队的414—05、12420、永东1号,蓟县西山北头大队的7501等,其他品系名称从略。二、试验地概况及田间管理: (一) 试验地概况:土质为粘壤土,前茬晚玉米,玉米收获后每亩施大粪灰渣1500斤,9月23日机耕五寸深,畜耙两次,10月3日播种,亩播量20斤,亩施种肥尿素7.5斤。
First, the test materials: a total of 32 test materials, including the material I have three generations of more than 12, my suburban counties of the 8 members of the breeding material, the introduction of materials 10, to promote varieties 2, with the East Red 3 as control . Among them, the selected materials are: 0-4-1 of the Department of Biology of South University, 280-2 of the Sixth West Brigade in the western suburbs, more Sui No.3 of the thirteen ares in the eastern suburbs, Jingfeng No.1 of Liu Guanzhuang in Jinghai, Wuqing 414 brigade 414-05,12420, Yongdong 1, north of the Jixian County 7501 and other lines, other lines omitted. Second, the experimental site and field management overview: (A) of the experimental site Overview: Soil is clay loam soil, before the late crop of corn, maize after application of large fecal ash 1500 kg, on September 23 five-inch deep plowing, rake harrow two Times, October 3 sowing, mu sowing 20 kg, Kushushi urea fertilizer 7.5 kg.