A dataset of the statistics on potato transaction price in the wholesale market in China from 2012 to 2018

AN, Min; Sun, Wei; HAN, Yun; Yang, Ruyi; YAN, Shen; KONG, Fantao; CAO, Shanshan

doi:10.11922/11-6035.nasdc.2021.0054.zh

CSD

2022

DOI: 10.11922/11-6035.nasdc.2021.0054.zh

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A dataset of the statistics on potato transaction price in the wholesale market in China from 2012 to 2018

Min AN¹,

Wei Sun²,

Yun HAN³

et al.

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A dataset of the survey of market trading price statistics on corn and soybean meal in feed raw materials for layer hens in China from 2019 to 2022

ZENG,

SUN,

CAO

et al. 2023

CSD

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Through collaboration with the Animal Husbandry and Veterinary Bureau of the Ministry of Agriculture and the National Animal Husbandry General Station, we collected the transaction price data from the corn and soybean meal market in 29 provinces across China from 2010 to 2022. Following rigorous principles of consistency, continuity, and data integrity for screening, cleaning, processing, secondary proofreading, and correction, we finally obtained a dataset of the survey of market trading price statistics on corn and soybean meal in feed raw materials for layer hens in China from 2019 to 2022. The dataset comprises comprehensive weekly, monthly and quarterly data spanning the entire country and 29 provinces. It can offer reliable data support for the price prediction and analysis of corn and soybean meal, and facilitates the macro-control efforts by government department aimed at managing the pricing dynamics of these essential products.

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A dataset of the survey of market trading price statistics on corn and soybean meal in feed raw materials for layer hens in China from 2019 to 2022

ZENG,

SUN,

CAO

et al. 2023

CSD

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Simulation and Experiment of Potato Excavator

CHEN,

CHU,

HUANG

et al. 2024

INMATEH

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In this study, the potato excavator with loosening shovel was designed in order to solve the problems of serious soil obstruction and high excavation resistance during the potato harvest. Using EDEM discrete element simulation software, potato excavation simulation experiments were carried out on soil broken effects and excavation resistance. Through the comparative analysis with loosening shovel and without, the results showed that the increase of soil broken effects was close to 52%, and the excavation resistance decreased by 16.57%. Through the two-factor and three-level field orthogonal experiment with excavation depth and loosening depth as influencing factors, the optimal operating parameters was determined for potato excavators: the excavation depth was 23 cm and the loosening depth was 20 cm. At this time, the excavation potato rate was 98.21%, and the rate of damaged potato was 1.31%. The traction resistance was 1826 N, which met the requirements of relevant industry standards. Through comparative analysis of simulation experiments and field experiment, it was found that when the excavation depth was 23 cm and the loosening depth was 20 cm, the error value of traction resistance was 11.3% between simulation experiments and field experiments. The discrete element simulation analysis can provide a preliminary reference for potato excavation design.

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A dataset of the statistics on potato transaction price in the wholesale market in China from 2012 to 2018

Cited by 2 publications

References 0 publications

A dataset of the survey of market trading price statistics on corn and soybean meal in feed raw materials for layer hens in China from 2019 to 2022

A dataset of the survey of market trading price statistics on corn and soybean meal in feed raw materials for layer hens in China from 2019 to 2022

Simulation and Experiment of Potato Excavator

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