徐闻县砖红壤蔗作土80%面积是砖红壤红色土,20%为砖红壤黄色土。根据土壤的理化特性和气候条件,适于甘蔗高产栽培。为了培肥地力和甘蔗高产,应合理施肥和科学用肥:(1)50%有机肥配施50%化学肥;(2)N、P_2O_5、K_2O 亩用量分别为11—16公斤、8—10公斤、7.5—10公斤;(3)推广施用稀土微肥,可增产3.4—11.9%,提高蔗糖分0.06—0.09%(绝对值);(4)亩施石灰50—100公斤。 Xuwen brick red soil cane for soil 80% of the area is the red soil of red brick, 20% of red soil yellow soil. According to soil physical and chemical properties and climatic conditions, suitable for high yielding cultivation of sugarcane. In order to cultivate fertility and sugar cane yield, should be reasonable fertilization and scientific use of fertilizer: (1) 50% organic fertilizer with 50% chemical fertilizer; (2) N, P_2O_5, K_2O mu were 11-16 kg, 8-10 Kg, 7.5-10 kg; (3) promote the use of rare earth fertilizer, yield 3.4-11.9% increase in sugar content 0.06-0.09% (absolute value);