[?? ?? ??? ????] ?? ?? ????? ??? ??????? ?? ?? ??? ??? ?? ????!??? ?????? ???? ? ??? ????????? ? ???? ????? ??? ?? ?? ????? ??????????? (?????? ??? ??? ???) ??? ??????.A breakthrough in mango cultivation was the usage of potassium nitrate and ethrel to induce flowering in mangoes. The invention was made by Filipino horticulturist Ramon Barba in 197

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