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Proceedings of the 2018 7th International Conference on Energy and Environmental Protection (ICEEP 2018)
Three-year-old 'summer black' grapes were used for trial material to study the effects of spraying with the different concentrations of calcium fertilizer on grape fruit external quality and intrinsic quality. Fruits were sprayed 1000,1200,1400 times amino acids chelate calcium during the fruit color-changed period, and fruits were sprayed clear water for the check. The results showed that the different concentrations of calcium fertilizer improved the external quality and intrinsic quality ofdoi:10.2991/iceep-18.2018.280 fatcat:bqxf3al7wfhfzhdnii57tlnoii