Cultivation Techniques For Scarlet Grapes

Adopt open-field cultivation or under a rain shelter with a row spacing of 2.5-4.0 meters and a plant spacing of 1.0 meter. Winter pruning focuses on short and medium shoots, while summer pruning maintains a high density of branches. Apply 3-5 tons of decomposed chicken manure per mu (approximately 1.5 acres) of basal fertilizer combined with 80 kg of phosphorus-potassium compound fertilizer. During the coloring period, intensive fertilization and water management are required to maintain soil moisture. Irrigation is prohibited during this period. The "promote growth first, then shelter" model is being promoted in Shanghai, incorporating root zone restriction techniques to improve coloring.