Meteorological factor analysis affecting commodity potato rate of potato in poor mountainous areas of Ningxia

doi:10.14088/j.cnki.issn0439-8114.2022.01.008

Abstract

Abstract: Using the potato historical observation data of Guyuan and Xiji county, Guyuan Great Wall Liang agricultural meteorological test base and Jiqiang town of Xiji county in 2016, precipitation, average temperature, sunshine hours, the meteorological data were synthesized, analyzed the correlation of potato commodity potato rate and meteorological factors, got the key meteorological factors that affecting the potato rate, fitted the potato commodity potato rate, and established a comprehensive weight simulation equation of potato commodity potato rate. The results showed that the average daily precipitation of tuber enlargement was the main meteorological factor affecting the potato commodity potato rate in poor mountainous areas of southern Ningxia. The average daily precipitation of tuber enlargement increased from 1 mm/d to 2 mm/d, the commodity potato rate increased from 34.4% to 76.5% and when the average daily precipitation reached 2.94 mm/d, the commodity potato rate reached 100%. The average temperature of every 40th century （starch accumulation transition period） rose by 1 ℃, and the commodity potato rate decreased by 4.0%~5.5%. Every 10 mm, of 3—4 month precipitation increase in potato commodity potato rate 3.14%~11.01%.

Key words: potato, commodity potato rate, weather factors, Ningxia

CLC Number:

S532
P49

ZHAO Wei-zhong, MA Li-wen, XU Qing, ZHANG Xue-yi. Meteorological factor analysis affecting commodity potato rate of potato in poor mountainous areas of Ningxia[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(1): 42-45.

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