About Lesson
Deficiency symptom
- Black heart of potato: Decreased oxygen level.
- Black tip or mango necrosis: Polluted gas ( SO2)
- Tip burn of paddy: Decreased O2 and N2.
- Khaira disease of rice: zinc deficiency.
- Grey speak of oat: Mn deficiency
- Pahala blight of sugarcane: Mn deficiency
- White bud of maize: Zn deficiency
- Mottle leaf of citrus: Zn deficiency
- Whip tail of cauliflower: Mo deficiency
- Browning or hallow stem of cauliflower: Mo deficiency
- Yellow spot of citrus: Mo deficiency
- Blossom end rot of tomato: Ca deficiency