利用丰富的丘陵红壤资源开发种植桔树等经济作物在我省已经取得了较大的成功。到１９９７年为止，全省丘陵山地果园已达９３３万ｈｍ２，并且还在进一步扩大。开发荒丘种植桔树已成为我省农民增加收入，致富奔小康的一条有效途径。但是，其中有的由于技术水平低，在开发... The use of abundant hilly red soil resources to develop and plant economic crops such as orange trees in our province has achieved great success. As of 1997, the province’s hilly mountain orchard has reached 93,300 hm2, and is still further expanding. The development of barren hills planting orange trees has become an effective way for farmers in our province to increase their incomes and become well-to-do families. However, some of them due to the low level of technology in the development ...