沅江南部,是洞庭湖的丘陵地区。起伏的小丘,土壤基本上是熟化的紅壤,农民叫錫皮土。气候溫暖,湿潤,很适合柑桔的生长发育。这里柑桔栽培的历史也很久,果农在长期的生产实践中,积累了极丰富的技术,特别是有消灭柑桔大小年的丰富經驗。現在把它介紹在下面。一、合理施肥,深耕培土、壅蔸,是消灭大小年的基本措施。 Yuanjiang south, is the hilly area of ​​Dongting Lake. Undulating hills, the soil is basically ripe red soil, farmers called tin soil. The climate is warm and moist, it is suitable for the growth and development of citrus. Citrus cultivation here for a long time, farmers in the long-term production practices, has accumulated a very rich technology, especially with the elimination of the size of the year of citrus rich experience. Now introduce it below. First, a reasonable fertilization, plowing and cultivating soil, cats and dogs, is the basic measure to eliminate the size of the year.