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当前位置: 首页 > 文章 > 氮肥和氮磷钾配比对蓖麻生育特性、干物质积累和产量的影响 江西农业学报 2019 (3) 71-75
Position: Home > Articles > Effects of Nitrogen Application Rate and Nitrogen-Phosphorus-Potassium Ratio on Growth Characteristics, Dry Matter Accumulation and Yield of Castor Plants Acta Agriculturae Jiangxi 2019 (3) 71-75

氮肥和氮磷钾配比对蓖麻生育特性、干物质积累和产量的影响

作  者：
吴慧;殷婕;朱广龙;焦秀荣;周桂生
单  位：
扬州大学实验农牧场;教育部农业与农产品安全国际合作联合实验室;扬州大学农业科技发展研究院
关键词：
蓖麻;施氮量;氮磷钾配比;生育特性;产量;产量构成
摘  要：
在粘壤土上开展试验,研究了施氮量和氮磷钾配比对蓖麻品种淄蓖7号生长特性、干物质积累和产量的影响。结果表明:施氮量、氮磷钾配比以及两者互作对蓖麻的生长特性、干物质积累和产量均产生了显著或极显著的影响;随着施氮量从225.0 kg/hm~2到375.0 kg/hm~2、氮磷钾配比从1∶0∶0提高到1∶0.9∶1.5,蓖麻的株高、叶干重、茎干重、叶面积指数、籽粒产量均显著增加;籽粒产量的增加主要来源于每株穗数的增加和百粒重的提高;施氮量375 kg/hm~2、氮磷钾配比1∶0.9∶1.5处理的籽粒产量最高,达2163.6 kg/hm~2。
译  名：
Effects of Nitrogen Application Rate and Nitrogen-Phosphorus-Potassium Ratio on Growth Characteristics, Dry Matter Accumulation and Yield of Castor Plants
作  者：
WU Hui;YIN Jie;ZHU Guang-long;JIAO Xiu-rong;ZHOU Gui-sheng;Experimental Farm, Yangzhou University;Joint International Research Laboratory of Agriculture and Agroproduct Safety, Ministry of Education;Institute of Agricultural Science and Technological Development, Yangzhou University;
单  位：
WU Hui%YIN Jie%ZHU Guang-long%JIAO Xiu-rong%ZHOU Gui-sheng%Experimental Farm, Yangzhou University%Joint International Research Laboratory of Agriculture and Agroproduct Safety, Ministry of Education%Institute of Agricultural Science and Technological Development, Yangzhou University
关键词：
Castor;;Nitrogen application rate;;Nitrogen-phosphorus-potassium ratio;;Growth characteristics;;Yield;;Yield components
摘  要：
A field experiment was carried out in clay loam to investigate the effects of nitrogen application rate and nitrogen-phosphorus-potassium ratio on the growth characteristics, dry matter accumulation and grain yield of castor variety Zibi No. 7. The results indicated that: nitrogen application rate, nitrogen-phosphorus-potassium ratio, and their interaction all had significant or very significant effects on the growth characteristics, dry matter accumulation and grain yield of castor plants; when the application rate of nitrogen increased from 225.0 kg/hm~2 to 375.0 kg/hm~2, and the nitrogen-phosphorus-potassium ratio increased from 1∶0∶0 to 1∶0.9∶1.5, the plant height, dry leaf weight, dry stem weight, leaf area index and grain yield of castor plants all increased significantly; the increase in grain yield was caused mainly by the increase in both single-plant spike number and 100-grain weight; the treatment of applying 375 kg/hm~2 nitrogen combined with the nitrogen-phosphorus-potassium ratio of 1∶0.9∶1.5 obtained the highest castor grain yield(2163.6 kg/hm~2).

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