نتایج جستجو برای: seeding rate
تعداد نتایج: 968225 فیلتر نتایج به سال:
Journal:
:Canadian Journal of Plant Science
1989
Journal:
:Peanut Science
2002
Journal:
:Agriculture and Forestry
2020
Journal:
:Ratarstvo i povrtarstvo
2020
Journal:
:INMATEH-Agricultural Engineering
2021
To improve the adaptability and precision of slider-hole-wheel seed-metering device to meet requirements sowing, single factor simulation experiments three factors levels orthogonal were carried out based on discrete element method. The rotation speed seeding shaft, shape hole, depth hole set as experiment factors. results showed that qualified rate was highest when shaft 30 r/min, oval, 9 mm. ...
Journal:
:Kansas Agricultural Experiment Station Research Reports
2017
Journal:
:Canadian Journal of Plant Science
1984
Journal:
:Revista Brasileira de Engenharia Agrícola e Ambiental
2018
Journal:
:Polish Journal of Environmental Studies
2018
Journal:
:Journal of Productivity and Development
2009
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