论文部分内容阅读
陕西省长安县内苑公社地处秦岭北麓,北纬34°03′,东经108°50′,土壤为砂壤土,微酸性,年平均温度13.2℃,年降水量687.4毫米。1966年内苑大队从陕南安康县引进油茶试种,现保留油茶102株。油茶播种后,第3年开花,第4年有少量结果,第5年产茶果20余斤,1973年产茶果80余斤。1976年冬到1977年春,气温剧烈下降,元月份长安最低气温—17.1℃,—10℃低温持续半月之久;70多天总降水量是3.8毫米,空气湿度下降到34％。干旱和低温使嫩梢冻坏
The commune of Changyuan County in Shaanxi Province is located in the northern foot of Qinling Mountains with latitude 34o 03 ’north and longitude 108o 50’ east. The soil is sandy loam and slightly acidic with annual average temperature of 13.2 ℃ and annual precipitation of 687.4 mm. In 1966, Inner Court Brigade introduced Camellia seed from Ankang County in southern Shaanxi Province, and now has 102 Camellia oleifera plants. After the sowing of tea, the third year of flowering, the first 4 years have a small amount of results, the first 5 years of producing more than 20 kg of tea, tea production in 1973 more than 80 kg. From 1976 to spring 1977, the temperature dropped drastically. In January, the lowest temperature of Chang’an -17.1 ℃ and the low temperature of -10 ℃ continued for a long time. The total precipitation in the past 70 days was 3.8 mm and the air humidity dropped to 34%. Drought and low temperatures freeze the tender shoots