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灵山县柑桔大部分种在山地,社队种植面积近七万亩,低产果园比例大,平均亩产只有1000斤左右。不少果园由于缺乏肥料和技术措施,长期存在着投产迟,产量低,大小年明显等问题。为此,于1981年底,灵山县委组织县农业局、果菜公司、龙武农场等单位组成攻关协作组,对“山地柑桔大面积早结丰产综合技术”进行生产性的应用研
Lingshan County, most of the citrus species planted in the mountains, community units planted nearly 70,000 mu, low proportion of large orchards, the average yield of only about 1,000 pounds. Due to the lack of fertilizers and technical measures, many orchards have long been in problems of late start-up, low output and significant size year. To this end, at the end of 1981, Lingshan County Committee organized County Bureau of Agriculture, fruit and vegetable companies, Longwu farms and other units to form a collaborative research team on the “mountain citrus large area early harvest high yield comprehensive technology” for productive application research