Cây ?òi h?i l??ng molybden r?t th?p. S? b? xung m?t l??ng nh? molybden trên ??t thi?u c?ng ?ã gây ra Hello?u qu? r?t cao. The best Place for Potassium will probably be based on what your soil potassium ranges are. For most successful use by cereal crops, K fertilizer should be placed Using the seed. For some row crops, potash ought to be face