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一、座果不良的原因青森县的西瓜生产是以屏风为中心发展起来的。由于异常气象因素的影响,1980年以后一直歉收,在中央市场上的销售量逐渐减少。歉收的原因之一,是在西瓜的开花、结实期间气候不正常。对此,仓田曾指出,开花结实期的降雨量与市场上的上市量成负相关;受精的适宜气温最高为23℃,最低以13℃为限。
First, the cause of bad fruit Aomori watermelon production is the screen as the center developed. Owing to the abnormal meteorological factors, the economy has been in poor harvest since 1980 and the sales in the central market have been gradually reduced. One of the reasons for the poor harvest is the watermelon blossom, strong climate during the abnormal. In this regard, Kurata had pointed out that the flowering period of precipitation and the market volume is negatively correlated; fertilization suitable temperature up to 23 ℃, the minimum 13 ℃ limit.