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Position: Home > Articles > Effect of Amount of Nitrogen Fertilizer Applied on Green Asparagus Acta Agriculturae Shanghai 2005,21 (4)

不同氮肥用量对绿芦笋的影响

作  者:
陆锡康;陈忠;陈泉生;黄祖才
单  位:
上海市崇明县农业技术推广中心;上海市崇明县蔬菜技术推广站;上海市崇明县新河镇农业技术推广中心
关键词:
绿芦笋;氮肥用量;产量
摘  要:
通过不同氮肥用量对绿芦笋的试验结果表明,纯N16.20kg/667m2对一年生大棚绿芦笋的效果最显著,较常规施肥对照区(纯N 21.72kg/667m2)增产24.24%、增加收入27.13%,是目前比较合适的施肥水平;纯N 10.68kg/667m2的处理区次之,较对照区增产4.30%、增加收入3.16%;纯N27.24kg/667m2(高肥区),对作物的地下根须生长发育有明显的抑制作用,主要表现为根须生长不良、根毛萎缩,较对照区减产6.22%、减少收入18.92%。
译  名:
Effect of Amount of Nitrogen Fertilizer Applied on Green Asparagus
作  者:
LU Xi-kang~1,CHEN Zhong~2,CHEN Quan-Sheng~2,HUANG Zu-cai~3(~1Agro-technology Extension Center of Chongming County,Shanghai 202150,China;~2Vegetable Technology Extension Station of Chongming County,Shanghai 202150,China;~3Xinhe Township Agro-technology Extension Center of Chongming County,Shanghai 202156,China)
关键词:
Green asparagus;Amount of nitrogen fertilizer applied;Yield
摘  要:
The experimental results showed that the application amount of pure N 16.20kg/667m~2 had the best effect on annual green asparagus under plastic tunnel,which increased yield by 24.24% and output value by 27.13% compared with the control plot of conventional application(pure N 21.72 kg/667m~2);the effect of application amount of pure N 10.68kg/667m~2 came second,which increased yield by 4.30% and output value by 3.16% compared with the control;the application amount of pure N 27.24kg/667m~2 had an obvious inhibiting action on the development of the crop's roots,which decreased yield by 6.22% and output value by 18.92%.

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