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重庆市九龙坡区建胜公社新建三队位于长江以北的丘陵地区,系紫色石谷子土。1956年栽植实生甜橙苗2000余株。1967年高接换种锦橙1100多株,由于土层瘠薄,又未改土挖大窝定植,根浅须根少,植株生长不良,以至换种5年之久,仍未投产结果。改土断根效果怎样解决这批树的投产结果?这个队曾经历了一场斗争。有人提出主要是技术问题,只要从外地请来技术员,换种的和实生的都可以解决结果。于70年至71年两年中,从外地请来
Jiulongpo District, Chongqing Jiansheng commune new three teams located in the hilly area north of the Yangtze River, the Department of Purple Shiguyizi soil. 1956 planting sweet orange seedlings more than 2000 strains. In 1967, the plant was replaced by more than 1,100 strains of Jincheng. Due to the infertile soil, the soil was not dug, but the roots were shallow, the plants grew poorly, and the results were still not put into production. How to deal with the production of these trees? The team has experienced a struggle. Some have suggested that the major technical issue is that as long as the technicians are invited from other places, the results can be solved in different ways and in real life. In 70 years to 71 years in two years, invited from the field