论文部分内容阅读
宣郎广农場位于安徽省宣城、郞溪和广德三县之间的起伏綿延丘陵地区,海拔高約37.8米,相对高度在25—30米之間,气候溫暖多雨,无霜期約230天。我場紅壤普遍分布在丘陵崗地上,土壤酸度大(pH值4.5—6),有机貭含量为1%,全氮量0.08%,速效磷几乎沒有,土壤瘠薄无結构,貭地粘重,保水保肥力差,水土流失严重,生长的植被有:茅草、馬尾松等耐酸性植物。建場以来,在党的领导下,抓住紅壤的特性,对紅
Xuanlangcun Farm is located in the rolling hilly region between Xuancheng, Guanxi and Guangde counties in Anhui Province. The altitude is about 37.8 meters and the relative altitude is between 25 and 30 meters. The climate is warm and rainy, and the frost-free period is about 230 days. The red soils in our field are generally distributed in hilly land. Soil acidity is great (pH value 4.5-6), organic content is 1%, total nitrogen content is 0.08%, available phosphorus is almost no, soil is infertile, no structure, Poor fertility, soil erosion is serious, the growth of vegetation are: thatch, Masson and other acid-tolerant plants. Since its founding, under the leadership of the party, seize the characteristics of red soil, red