Shaping and pruning management technology for big cherry trees

The invention discloses a shaping and pruning management technology for big cherry trees. The management technology comprises the following steps: dividing a big cherry tree planting region into a plurality of regions; simultaneously planting production main cultural varieties of different varieties of big cherry trees such as early-red precious stone, early-mahapphala, red light, tieton, summit and Brooks in the regions; controlling the content of nutrients and water of soil in the regions, and enabling the nutrients of the same regions to be consistent and the nutrients of the different regions to be different; and randomly carrying out sample investigation on growth lengths of branches of different parts of the big cherry trees in various varieties in the regions in different places atregular times, and drawing a time variable curve chart of the growth lengths of the branches of the various big cherry trees under different nutrition conditions. By the management technology, the optimal time nodes of prunin