National Natural Science Foundation of China(Grant No.52065004,52365030);Lanzhou Municipal Young Talent Innovation Project(Grant No.2023-QN-146);Major Cultivation Project of Collegiate Scientific Research and Innovation Platform of Gansu Provincial Department of Education(2024CXPT-15);Special Project of Gansu Provincial Commissioner for Science and Technology(23CXGA0066);Gansu Agricultural Machinery R&D,Manufacturing and Promotion Application in 2023 Integrated Pilot Project(3-3).
Due to the maize growing agronomy requires ground covered by mulch film in the arid zones of the China Northwest region,the seed-metering device must roll over,break the film,and then throw seeds into soil.However,the...
sponsored by the Natural Science Foundation of Shandong Province(Grant No.ZR202111230084);Qingdao Science and Technology Demonstration and Guidance Project(Grant No.2237xdny17nsh);Shandong Science and Technology SMEs Innovation Capacity Improvement Project(Grant No.2021TSGC 1428);Key R&D Plan of Shandong Province(Grant No.2019GNC106056);Key R&D Plan of Shandong Province(Grant No.2017NC212006)and Qingdao Minsheng Science and Technology Plan(Grant No.173352nsh).
To meet the requirement of“zero speed”for precision sowing,the instantaneous speed of seed falling into the seed bed should be equal to the opposite direction of the forward speed of the machine.Through analyzing th...