Ilocos Sur farmer [Amado Ipac of Sinait, Ilocos Sur, Philippines] finds advancement in off-season tomato

abonos npk culture hors saison disease resistance engrais npk farm income fertilisation fertilizer application filipinas fitomejoramiento geminivirus rizado amarillo tomate hybride hybrids lycopersicon esculentum marchitez npk fertilizers philippines plant breeding resistencia a la enfermedad revenu de l'exploitation tomato yellow leaf curl geminivirus wilts