Zobrazeno 1 - 10
of 543
pro vyhledávání: '"Seed metering device"'
Publikováno v:
Engenharia Agrícola, Vol 44 (2024)
ABSTRACT The traditional wheat plot seed-metering device is hampered by poor seed dispersion uniformity and a long seed falling time. To improve upon these characteristics, in this paper, we designed a double-cone combined seed-metering device. Motio
Externí odkaz:
https://doaj.org/article/cec0e3b1775842ffadf95e4b384d2b18
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract Multi-grain hole-forming sowing and uniform hole spacing are important agronomic requirements for precise hole-direct seeding of rice.This paper designs a kind of impeller type seed guiding device. The main structural parameters of the impel
Externí odkaz:
https://doaj.org/article/10eda8f3e4b046448b6cbeb9bf554b8a
Publikováno v:
Frontiers in Plant Science, Vol 15 (2024)
IntroductionThe design of the maize metering device involves centrifugal variable diameter pneumatic and cleaning mechanisms, aiming to enhance the performance and power efficiency of pneumatic maize metering devices. Leveraging the impact of changes
Externí odkaz:
https://doaj.org/article/73a03a0a92fb44109bee7ca475c112b7
Publikováno v:
Tehnički Vjesnik, Vol 31, Iss 2, Pp 628-636 (2024)
In this study, an air-assisted mechanical seed-metering device for millet (Setariaitalica) was developed. The discrete element method (DEM) and response surface method (RSM) were used to research the influences of the side length, depth, and oblique
Externí odkaz:
https://doaj.org/article/a8adab3c74e942fa9731bf5671b58a6e
Autor:
Hongling Li, Xiaolong Liu, Hua Zhang, Hui Li, Shangyun Jia, Wei Sun, Guanping Wang, Quan Feng, Sen Yang, Wei Xing
Publikováno v:
Agriculture, Vol 14, Iss 11, p 1905 (2024)
In order to improve the performance of potato planter, reduce miss-seeding rates, enhance the overall quality of the seeding operation, and ultimately increase the yield of the potato, it is necessary to implement effective technical means to monitor
Externí odkaz:
https://doaj.org/article/2a0a3119347947ba90336be42b26f66c
Publikováno v:
Agriculture, Vol 14, Iss 11, p 1934 (2024)
To meet the diverse seeding requirements of super hybrid rice, common hybrid rice, and conventional rice—which vary from 1 to 3 seeds, 2 to 4 seeds, and 5 to 8 seeds per hole, respectively—this study developed a branched air-chamber type pneumati
Externí odkaz:
https://doaj.org/article/75aa2fbad41748b59725655601b82c9d
Autor:
Yanqing Zhang, Yaocheng Tang, Ding He, Jie Shi, Lirong Hao, Jiabao Li, Deng Sun, Hongbo Li, Zhiyong Zhang, Shaobo Ye, Yongqiang He, Qingliang Cui
Publikováno v:
Agriculture, Vol 14, Iss 9, p 1528 (2024)
To solve the problem of large sowing amount and poor sowing uniformity for millet, according to the physical characteristics of the millet seed and its sowing agronomic requirements, an electromagnetic vibration type fine and small-amount seeder was
Externí odkaz:
https://doaj.org/article/6a372579ec9c479f9eac88406c4024dc
Autor:
Huajiang Zhu, Sihao Zhang, Wenjun Wang, Hongqian Lv, Yulong Chen, Long Zhou, Mingwei Li, Jinhui Zhao
Publikováno v:
Agriculture, Vol 14, Iss 9, p 1595 (2024)
During the operation of a shaped hole seed-metering device, poor seed-filling quality and inconsistent seed-casting points lead to poor seed spacing uniformity, especially in a one-chamber double-row seed-metering device. To solve this problem, a soy
Externí odkaz:
https://doaj.org/article/78437754f15844f09adc423f9a3b2bbe
Publikováno v:
Agronomy, Vol 14, Iss 9, p 2096 (2024)
In view of issues affecting manual on-demand sowing of spinach, such as high working intensity, low seeding efficiency, and high cost, a mechanized precision seeding device for spinach seeds is proposed, based on a spoon-wheel including a combined ce
Externí odkaz:
https://doaj.org/article/02bd25e8401a453ba0069df193264ee1
Publikováno v:
Agriculture, Vol 14, Iss 8, p 1391 (2024)
Quinoa and other small-seeded crops possess relatively diminutive seed diameters, rendering them highly susceptible to the influence of airflow. The seeding process is impacted by the Cluster Hole Effect, where seeds are unintentionally drawn into ar
Externí odkaz:
https://doaj.org/article/d24e73b38b584912a8087445d68bac0c