PROBLEMI SU PINO BONSAI, cause e rimedi

EQUIPMENT Ball cutter: https://amzn.to/3T46H5k Scissors: https://amzn.to/46XLPTf Litmus paper: https://amzn.to/3T0goSk Aluminum wire: https://amzn.to/3T1Sypv Copper-plated aluminum wire: https://amzn.to/3B0pmJs Beginner's starter kit: https://amzn.to/3XfB37w BONSAI SOIL Humus: https://amzn.to/4g2eieE Akadama: https://amzn.to/3Xjhs6s Kanuma: https://amzn.to/3T4icKf Pumice: https://amzn.to/3AOAbOn Zeolite: https://amzn.to/3AOAbOn FERTILIZERS, BIOSTIMULANTS, AND USEFUL PRODUCTS hanagokoro fertilizer: https://amzn.to/4gdouBp Algatron: https://amzn.to/4dYBpoM Synergon: https://amzn.to/3AxMa2M Tricoderma: https://amzn.to/4d8nH1M Mycorrhizae: https://amzn.to/3TsUesc Systemic fungicide: https://amzn.to/3Tv2isF White oil: https://amzn.to/3MJuTGM Soft soap: https://amzn.to/3Tq1pS0 BOOKS Bonsai techniques 1: https://amzn.to/4gr0w5K Bonsai techniques 2: https://amzn.to/3XoOctS The Art of Bonsai: https://amzn.to/3XtT54S Plant Revolution: https://amzn.to/4gn6Mv8 How to Grow a Pine Bonsai: https://amzn.to/4ekTcqk Kunio Kobayashi Bonsai: https://amzn.to/4gmnTgF