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灌阳长枣（牛奶枣）是广西的名优特产，灌阳县特产局１９９２～１９９３两年对５３４．７３ｈｍ２低产枣园进行技术改造。（１）改过去以耕代抚，不施或少施基肥和施化学氮肥为主，为以有机肥作基肥为主；（２）根据枣树的生物学特性，施足基肥，适时追肥，使有机肥与无机肥、长效与速效氮、磷、钾肥合理配合施用；（３）喷施微肥、生长激素保花保果；（４）对幼年结果树和旺壮树采取环剥和修剪，促其结果；（５）抓住关键时期防治桃小食心虫等病虫害。５项技术的实施，使长枣大幅度增产，１９９３年总产达３１４．７万ｋｇ，平均５８８６ｋｇ·ｈｍ－２，比改造前（１９９１年）平均４０３５ｋｇ·ｈｍ－２，增产１８５１ｋｇ·ｈｍ－２，增长４５．８７％。改造后两年累计新增纯收入３５２．６１万元，取得了较好的经济效益和社会效益。
Guanyang jujube (jujube milk) is a famous Guangxi specialty, Guanyang County Bureau of specialty 1992 ~ 1993 two years 534.73 hm2 low-yield dates garden for technological transformation. (1) In the past, farming was reformed in the past, no or less basal fertilizer and chemical nitrogen fertilizer were applied, and organic fertilizer was used as basal fertilizer. (2) According to the biological characteristics of jujube tree, So that organic and inorganic fertilizers, long-term and quick-acting nitrogen, phosphorus and potassium fertilizers with a reasonable match; (3) Spraying fertilizer, growth hormone protect flower; (4) Pruning and promote the results; (5) to seize the key period peach prevention and control pests and other pests. The implementation of the five technologies resulted in a substantial increase of jujube yield. In 1993, the total output reached 3.147 million kg, with an average of 5886 kg · hm-2, an average of 4035 kg · hm-2 before the transformation (1991) and an increase of 1851 kg · hm- 2, an increase of 45.87%. In the two years after the renovation, a total net income of 3,526,100 yuan has been added, which has achieved good economic and social benefits.