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博兴县苹果大面积技术开发１９８９年开始，进行了１４４个苹果园６８４ｈｍ２（公顷）大面积技术开发。采用的主要技术措施为深翻改土、增施有机肥．有机肥料施用量达到每年６６６．７ｍ２（１亩）６００ｋｇ。在整形修剪方面，对于结果大树主要调整树体结构，回缩复壮结...
Large-scale technology development of apple in Boxing County Since 1989, a large-scale technology development has been carried out in 144 apple orchards covering 684hm2 (hectare). The main technical measures adopted are deep inversion of soil and increase of organic fertilizer. The application rate of organic fertilizer reaches 666.7m2 (1mu) per year 600kg. In the plastic pruning, the main tree structure for the results of adjustment, retractable knot ...