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莒南县李家埠村，有１２～１５年生巨峰葡萄３３．４ｈｍ~２。１９８９年以来，实行双主体栽培，即采用双十字形双臂上架，小扇形整枝， Ｕ形叶幕结构，树上两茬两层葡萄，架下隔行轮作草莓，连续１０年（１９９０～１９９９年），葡萄每 ６６６．７ｍ~２产量基本稳定在 ２２５０ｋｇ上下、草莓４７５．９ｋｇ，其效益为单臂上架纯作单收的 １．５倍左右。
Jujube County Lijiabu village, 12 to 15 years old Kyoho grape 33.4hm ~ 2. Since 1989, the implementation of dual-subject cultivation, that is, using double cross arms shelves, small fan pruning, U-shaped leaf curtain structure, tree Two layers of grapes on the two stubble, frame interlaced rotations for strawberries, for 10 consecutive years (1990 ~ 1999), grapes yield per 666.7m ~ 2 basically stable at 2250kg up and down, strawberries 475.9kg, the benefits of a single arm shelves About 1.5 times the single income.