frost free period 中文意思是什麼
frost free period
解釋
解凍期-
Zhoushan has a northern subtropical monsoon marine climate with clear four seasons ; leading wind directions are southeast wind in summer, northwest wind in winter. with an annual average wind speed of 3. 3m s ; and an average temperature of 15. 6 - 16. 6, and the frost free period reaches 251 - 303 days perannum, annual average sunshine time 1941 - 2257 hours, and the annual preeipitation is 927 - 1620 mm
舟山屬北亞熱帶南緣季風海洋型氣候，四季分明主導風向，夏季為東南風，冬季為西北風，年平均風速3 . 3米秒年平均氣溫15 . 6 . - 16 . 6 ，冬季最低溫為- 1 ，夏季最高溫度為37無霜期251 - 303天，年日照時數1941 - 2257小時年降雨 -
Yueyang is a wettish area of confienental subtropical monsoon with mild climate, plenty of rainfall and four distinct seasons. annually, the average temperature is about 17, the average precipitation is 1387. 93. mm, the average sunlight time is 1680 hours, and the frost - free period lasts 270 days
岳陽市屬亞熱帶季風濕潤氣候區、氣候溫和、雨量充沛、四季分明，年平均氣溫17左右，多年平均降雨量1387 . 93毫米，年平均日照1680小時，無霜期270天。 -
There are one district, 2 municipalities and 14 countiesunderitsjurisdiction. it covers an are a of 20, 510 square kilometers with a populationof, 955, 700. linfen lies in semi - arid and semi - humid temperate continental monsoon climatezone. the annual average temperature is 8. 1 - 12. 1. the precipitation here is 453. 9 - 688. 4mm, with annual frost - free period of 125 - 191 days. the favourable climate creates quite advantageous conditions for the agricultural production. main gricultural products are grain and cotton and various industrial crops. the resources of agricultural byproducts are abundant, especially in the central linfen basin, known as the fertile land and the hometown of cotton and wheat
農業以糧棉和多種經濟作物為主，農副產品資源豐富，特別是中部臨汾盆地，土質肥沃，氣候溫和，物產豐富，素稱「膏腴之地」和「棉麥之鄉」 ，是山西省棉麥生產基地之一，主產小麥棉花玉米豆子紅薯西瓜等，山區縣盛產紅棗核桃還旃 -
Particularly the growth duration of rice variety selected has to be little less than the frost - free period of the rice growing site
特別是所選水稻品種的生育期一定要小於種稻地點的無霜期。 -
The sunshine duration is long, the temperature difference is big, the frost - free period is long, and the annual solar radiation amount is much, which is good for the growth of crops
日照時間長，晝夜溫差大，無霜期長，年太陽能輻射量大，對農作物生長十分有利。
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