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本文将我省分划为二个农业气候大区(带),四个一级农业气候区,七个农业气候小区,三个垂直高度农业气候层,简称“二带四区七小区三层”。现把本区划分区指标、界线、系统、命名等方面对原浙江省省级简明农业气候区划所作修改、调整和增补情况讨论如下。一、以≥10℃积温5300度·日、持续期240天为主导指标,以越冬条件一月均温5℃、极端最低温度多年平均-5℃、小于-7℃的低温频率≤20%及无霜期250天为辅助指标,作为划分我省浙中浙南和浙北二个农业气候大区(亦称中、北亚热带农业气候带)的依据,修改了简明区划原作的东段界线,并把原区划的一级农业气候区改为0级农业气候大区。
This paper divides our province into two agricultural climate zones (zones), four primary agricultural climatic zones, seven agricultural climatic zones, three vertical altitude agricultural climatic zones, referred to as “three zones with four zones and seven communities” . Now the zoning indicators, boundaries, systems, naming and other aspects of the original Zhejiang Province, concise agricultural climate division made changes, adjustments and additions discussed below. First, with ≥10 ℃ accumulated temperature of 5300 degrees · day, the duration of 240 days as the leading indicator to wintering conditions January average temperature of 5 ℃, extreme minimum temperature for many years average -5 ℃, less than -7 ℃ low temperature frequency ≤ 20% and Frost-free period of 250 days as a secondary indicator, as the division of Zhejiang Province in southern Zhejiang and northern Zhejiang two agricultural climate zone (also known as the North and Central Asia subtropical agricultural climate zone) basis, modify the concise division of the eastern boundary of the original, and The original division of an agricultural climate zone to 0 level agricultural climate zone.