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Preliminary Study on the Performance of Insert-metering Sub-district Seeder(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2013年01期
Page:
98-101
Research Field:
Publishing date:

Info

Title:
Preliminary Study on the Performance of Insert-metering Sub-district Seeder
Author(s):
ZHAO Yu1; CHEN Hai-tao1; WANG Ye-cheng1; JIANG Feng1; YAN Hong-rui2
1.Engineering College,Northeast Agricultural University,Harbin 150030,Heilongjiang;
2.Heihe Branch of Heilongjiang Academy of Agricultural Sciences,Heihe 164300,Heilongjiang,China
Keywords:
Metering; Precision planter; Breeding; Three-ridge cultivation model
PACS:
TH122
DOI:
10.3969/j.issn.1000-9841.2013.01.023
Abstract:
In order to improve the accuracy of breeding experiment,reduce labor intensity,and meet the agricultural technologic requirements of three-ridge cultivation,an insert-metering device for ridge-double line was designed.The performance of the metering device was tested with different travel speeds and plant spacing as the influential factors.The results of the experiment indicated that when the travel speed was at 3.6,4.5 and 5.4 km·h-1 respectively and the plant spacing of double lines was 5 cm, the acceptability rate of plant spacing was equal to or greater than 85.17%,the multiples rate was equal to or less than 11.11%,the miss rate was equal to or less than 4.24% and the coefficient of variation was equal to or less than 20.69%;when the travel speed was at 3.6,4.5 and 5.4 km·h-1 respectively and the plant spacing of double lines was 7.5 cm,the acceptability rate was equal to or greater than 85.26%,the multiples rate was equal to or less than 9.47%,the miss rate was equal to or less than 5.26%,the coefficient of variation was equal to or less than 18.17%.In both conditions,the insert-metering reached the superior product standards of the JB/T51017-1999 Quality Classification of Single(Precision)Seeder for Intertilled Crops.The metering laid the foundation for developing the soybean sub-district precision planter of the three-ridge cultivation model.

References:

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Last Update: 2013-02-20