一广东揭阳糖厂所属蔗区多为赤红壤岗地.本区虽有精耕细作的栽培经验,但因缺水缺肥,土壤瘦瘠,尤其缺乏磷、钾,甘蔗亩产一般约4～5吨。针对上述情况,我们于1982、83年与轻工部甘蔗糖业研究所进行协作肥料试验,并配合较大面积示范,对宿根蔗还进行了集中压榨观察。两年来的试验和示范说明,甘蔗 However, due to lack of water and lack of fertilizer, the soil is barren, especially the lack of phosphorus and potassium, and the average output of sugar cane is about 4 to 5 tons. In response to the above situation, we conducted cooperative fertilizer tests with the Sugarcane Research Institute of Ministry of Light Industry in 1982 and 83, and cooperated with a large area demonstration to conduct a centralized squeeze observation of the ratoon sugarcane. Two years of experiments and demonstration shows that sugar cane