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

ii) Burning of leaves

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