[1]王永乐,宋家祥,王建棠,等.淮北棉区棉花高能同步增产原因分析[J].南京农业大学学报,1988,11(03):8-13.[doi:10.7685/j.issn.1000-2030.1988.03.002]
 Wang Yongle,Song Jiaxiang,Wang Jiantang,et al.THE REASON OF COTTON YIELD-INCREASING WITH SYNCHRONISM OF ACTIVELY ENERGY-CONSERVING PERIOD AND HIGH ENERGY SEASON IN NORTH HUAI REGION[J].Journal of Nanjing Agricultural University,1988,11(03):8-13.[doi:10.7685/j.issn.1000-2030.1988.03.002]
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淮北棉区棉花高能同步增产原因分析()
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《南京农业大学学报》[ISSN:1000-2030/CN:32-1148/S]

卷:
11卷
期数:
1988年03期
页码:
8-13
栏目:
出版日期:
1988-08-30

文章信息/Info

Title:
THE REASON OF COTTON YIELD-INCREASING WITH SYNCHRONISM OF ACTIVELY ENERGY-CONSERVING PERIOD AND HIGH ENERGY SEASON IN NORTH HUAI REGION
作者:
王永乐宋家祥王建棠彭希竹
灌云县农业技术推广中心,江苏农学院,灌云县农业局,灌云县棉花办公室
Author(s):
Wang Yongle11Song Jiaxiang2Wang Jiantang33Peng Xizhu4
1Agrotechnical Center of Guanyun County, Jiangsu Province;2Jiangsu Agricultural College;3Agriculture Bureau of Guanyun County, Jiangsu Province;4Administration Office of Cotton, Guanyun County, Jiangsu Province
关键词:
棉花 高能 同步 增产原因
Keywords:
Cotton High energy season Synchronism Reason of increase production
DOI:
10.7685/j.issn.1000-2030.1988.03.002
文献标志码:
A
摘要:
棉花高能期与高能季节同步性较好的处理比同步性较差的处理增产19.71%(r=0.7701)。同步期长短与产量呈极显著正相关(r=0.9315),其回归方程Y=169.40+3.24x;同步期成铃强度与产量也呈极显著正相关(r=0.8268),其回归方程Y=127.14+10.97x。因此,增加同步时间和提高成铃强度,是棉花高产优质的主攻方向。 同步性较好的处理,在同步期内积累的总干物重和生殖器官干物重分别为584.7,289.3kg/亩,各占一生中的64.6%,69.6%,比较差的处理分别高37.74%,87.25%;同步期成铃数为5.32万个,占最终成铃数的82.4%,比较差的处理高42.9%;同步好的光能利用率平均为1.73%,比较差的处理平均高0.50%。
Abstract:
The yields of cotton with better synchronism between actively energyconserving period and high energy season were 19.71% (r=0.7701) higher than those with poorer synchronism. The cotton yields showed a significantly positive correlation with the synchronous time (r=0.9315) and set intensity of cotton (r=0.8268) and their regression equations were y=169.40+3.24x and y=127.14+10.97x, respectively.Dry weight of the whole plant, dry weight of reproductive organ and boll number formed during the synchronous period of better synchronism exceeded those of the poorer by 37.74%, 87.25%, 42.9%, respectively.

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备注/Memo

备注/Memo:
《江苏省不同生态棉区棉花高产优质形成规律及其经济栽培模式研究》课题
更新日期/Last Update: 1988-08-30