CAJ | 학술논문

通过怀川916小麦超高产最适播期和播量试验，结果表明：该品种超高产最适播期为10月5-10日，过早或过晚播种均极显著减产，尽管如此，但在10月20日最晚播种仍可保持9062.5 kg/hm2的产量水平。可见怀川916小麦不仅是一个适合中早茬种植的高产优质良种，也是一个供作晚秋茬种植的理想品种。回归分析表明，超高产最适播量为130.0 kg/hm2，延期播种需增加播量。分析表明，从10月5日以后，每晚播1 d，需增加播量4.5 kg/hm2，增穗7.8万穗/hm2，以密补晚，可挽回因延迟播种的减产损失92.04 kg/hm2。由于株高随播种的推迟而逐渐降低，因此以密补晚而增加密度，将不会招致倒伏。
통과부천916소맥초고산최괄파기화파량시험，결과표명：해품충초고산최괄파기위10월5-10일，과조혹과만파충균겁현저감산，진관여차，단재10월20일최만파충잉가보지9062.5 kg/hm2적산량수평。가견부천916소맥불부시일개괄합중조치충식적고산우질량충，야시일개공작만추치충식적이상품충。회귀분석표명，초고산최괄파량위130.0 kg/hm2，연기파충수증가파량。분석표명，종10월5일이후，매만파1 d，수증가파량4.5 kg/hm2，증수7.8만수/hm2，이밀보만，가만회인연지파충적감산손실92.04 kg/hm2。유우주고수파충적추지이축점강저，인차이밀보만이증가밀도，장불회초치도복。
Through the study of the best sowing time and amount of super high yield for Huaichuan 916 wheat ,the result showed that the best sowing time of the super high yield wheat variety was to be for 5-10 of October ,if earlier or later ,the yield would be lower obviously. But the yield level of 9 062.5 kg/hm2 could be kept when sowed latest on 20 of October. Thus ,Huaichuan 916 wheat would be a good variety of high yield and good quality suitable to be planted earlier and also an ideal one to be planted in late autumn. Regression analysis showed that sowing amount of super high yield was to be 130.0 kg/hm2,sowing amount must be added if planted at a later time.Analysis showed that later than 5 of October ,if planted one day later,4.5 kg/hm2 more planting amount needed to be added and 78 000 panicles/hm2 more wheat heads could be got,planting densely to supply lateness, and 92.04 kg/hm2 reduction loss could be got rid of because of later planting. Plant height would be getting lower and lower due to being planted at a later time,but planting densely to supply lateness would not lead to lying down.