华南亚热带作物科学研究所和海南岛西联农場在总路綫的光辉照耀下。破除迷信,解放思想,在技術措施上大胆進行革新,力圖打破世界橡膠單株干膠產量90斤的最高水平。从7月份开始,他們分别选擇了一株橡膠樹作为试验。亞热帶作物研究所的一株“王牌樹”采取了重施肥,一次施下土雜 South China Institute of Subtropical Crops and Western Island farms in Hainan Island in the general route of the shining. To break the superstition, emancipate the mind, bold innovation in technical measures, trying to break the world’s rubber yield of 90 kg per plant dry adhesive the highest level. From July onwards, they each chose a rubber tree as a test. Subtropical Crop Research Institute of a “ace tree” to take a heavy fertilization, once applied earthworks