我县地处湘北洞庭湖平原。８０年代以前，农民栽植柑桔主要是在房前屋后种植酸橙（当地叫柑子、泡柑），少则十来株，多则数十株甚至上百株。据调查，全县现有酸橙树１００余万株，折算面积近７００ｈｍ２。笔者自１９９４年以来，对酸橙进行了不同品种的高接换种试验。试... My county is located in the North Hunan Dongting Lake Plain. Before the 1980s, farmers planted oranges mainly in the front of the house planting lime (locally called the citrus, soaked citrus), as little as ten strains, as many as dozens or even hundreds. According to the survey, there are more than 100 existing limestone trees in the county and the conversion area is nearly 700hm2. Since 1994, the author carried out high exchange experiments on different varieties of limes. test...