1. NITROGEN: Poor growth of vegetative shoots, Chlorosis with yellow green leave, Poor cropa, Early ripening, Excess,Succulent growth…… Excess..Succulent growth, Prolonged vegetative phase, Delayed ripening, Leaves become susceptible to disease attack…
1. NITROGEN:
Def.
i) Poor growth of vegetative shoots.
ii) Chlorosis with yellow green leaves.
iii) Poor cropa
iv) Early ripening
Excess
i) Succulent growth
ii) Prolonged vegetative phase
iii) Delayed ripening
iv) Leaves become susceptible to disease attack
2. PHOSPHORUS:
Def.
i) Stunted growth of shoots
ii) Retarded growth of roots
iii) Leaves tend to become small, brittle and brownish green
iv) Reduced fruiting
Excess
i) Mottling of leaves
ii) Burning of leaves
3. POTASSIUM:
Def.
i) Reduce production of sugar
ii) Small leaves
iii) Premature death of plants/leaves
iv) Stunted plants
Excess:
i) Turning of leaves darker
ii) Decay and necrosis of tissues
4. CALCIUM:
Def.
i) Chlorosis of leaves
ii) Death of leaf tips and rolling of leaves
Excess
i) Causes the soil and become alkaline
5. MAGNESIUM:
Def.
i) Chlorosis of leaves
ii) Premature leaf fall
Excess
i) Burning of leaves
6. SULPHUR:
Def.
i) Yellowing of leaves
ii) Reduced flowering
iii) Poor root system
Excess
i) Mottling of leaves
ii) Bronzing of leaves
7. ZINC
Def.
i) Mottling and necrosis
ii) Drying of growing tips
iii) Curling of leaves
Excess
i) Less root development
8. BORON
Def.
i) Splitting of bark
ii) Exudation of gum
Excess
i) Yellowing of leaves of tips and margins
9. COPPER
Def.
i) Breakdown of older leaves
Excess
i) Stimulation of gum exudation
10. MANGANESE:
Def.
i) Chlorosis of leaves
Excess
i) Mottling of leaves
