论文部分内容阅读
曲阳县位于河北省中部、太行山东麓,总面积1084公顷,地形复杂,地貌类型较多,由西北向东南,依次为山区、丘陵、平原。我县属半干旱大陆性季风气候,年平均气温12.4℃,无霜期198天,平均降水量500毫米,集中在7、8月份。红富士苹果是我县苹果的主栽品种,但由于以前栽植的都是乔砧密植的树种,随着树龄的增大,进入盛果期后,树冠交接,果园郁闭,通风透光条件恶化。致使果园管理困难,果实品质下降,果实价格
Quyang County is located in central Hebei Province, the eastern foot of Taihang Mountain, a total area of 1084 hectares, complex terrain, landscape types more, from northwest to southeast, followed by mountains, hills, plains. My county is a semi-arid continental monsoon climate, the annual average temperature of 12.4 ℃, frost-free period of 198 days, the average rainfall of 500 mm, concentrated in July and August. Red Fuji apples are the main cultivars of apple in our county. However, as all the trees planted before were planted as angels, with the increase of the tree age, after entering the full fruit stage, the canopy was handed over and the orchard was closed and the ventilation and light were deteriorated . Resulting in difficult orchard management, fruit quality decline, fruit prices