NITROGEN Def. Yellowing of leaves.
POTASSIUM Def. Necrosis of stem and fruits.
MAIZE:
NITROGEN Def. Yellowing of tips progressing along midrib & leaf become brown.
POTASSIUM Def: Brown edge scorching leaves
COTTON:
NITROGEN: Def. Yellow color of foliage and slow growth.
Mag Def. Purplish red color with green veins.
POTATO:
NITROGEN Def. Distinct loss of chlorophyll at leaf margins with light green color in the center.
POTASSIUM Def. Bronzing and yellowing of leaves with dead edges.
Crop | Nutrients | Deficiency Symptoms | |
A Field Crops | |||
1. Wheat | Nitrogen | Leaves pale green, less tillering, shoots dwarfed. | |
Phosphorous | Leaves bluish green with purplish, less tillering. | ||
Calcium | Plants stunted, with high mortality of seedlings. Leaf tips chlorotic and die back. | ||
Magnesium | Older leaves much yellow and show dying off, the younger leaves, generally slightly pale green, later turning brownish. | ||
Potassium | Internodes short, leaves slightly chlorite, bluish green, tips generally scorched. | ||
2. Maize | Manganese | Leaves with intervenial white streaks. | |
Nitrogen | Leaves pale green, stems and leaves show red tint. | ||
Phosphorous | Stem and leaves with purplish tine, leaves pale green. | ||
Potassium | Internodes short, leaf margins brown and scorched. | ||
3. Brassica | Nitrogen | Leaves pale green older leaves with reddish to purplish tints, leaves defoliate early. | |
Phosphorous | Leaves with dull appearance. | ||
Calcium | Chlorotic young leaves, leaf tips brown and margins scorched. | ||
Potassium | Leaves dark green, curling backwards, scorching of the leaf margins. | ||
4. Sugar beet | Nitrogen | Leaves pale green, plants with stunted growth. | |
Phosphorous | Leaves dull green, plants with stunted growth. | ||
Calcium | Marginal scorching of older leaves and death of the growing points. | ||
Magnesium | Chlorosis near leaf margins and on tips, later necrosis develops. | ||
Manganese | Older leaves get wilted and scorched, also puckering of leaves. | ||
B. Vegetable Crops | |||
1. Potato | Nitrogen | Leaves pale green, plants with stunted growth, older leaves turn yellow and defoliate early. | |
Phosphorous | Leaves dull green, with scorched margins. | ||
Potassium | Internodes short, leaves curl backward, near the margins, Leaves bluish green with bronzed appearance and scorched margins. | ||
2. Beans | Nitrogen | Growth retarded, leaves small pale green early defoliation | |
Phosphorous | Stem dwarfed and thin, early defoliation, leaves show bronzing | ||
Calcium | Growth stunted, young leaves distorted, growing points die out. | ||
Magnesium | Older leaves slightly pale with intervenial Chlorosis. | ||
Potassium | Short internodes, leaf margins scorched. | ||
3.Peas | Phosphorus | Leaves becoming dull green, less flowering, growth stunted. | |
Calcium | Growth restricted, leaves with intervenial Chlorosis, wilting or older leaves. | ||
Potassium | Internodes short, growth retarded. | ||
Boron | Growth stunted and stems brittle. Larger leaves with intervenial Chlorosis. | ||
4. Carrot | Nitrogen | Plant’s growth stunted. Leaves pale green. Reddish tinge developing on older leaves. | |
Phosphorous | Foliage showing purplish tinge. Plant growth rather restricted. | ||
Magnesium | Prominent Chlorosis for older leaves. | ||
Potassium | Scorching of tips of older leaves, later becoming brownish and die off. | ||
Boron | Plants assuming bushy appearance. Young leaves distorted, showing some signs of chlorosis. | ||
5. Onion | Nitrogen | Growth stunted, foliage pale. Leaves die back from tips. | |
Phosphorous | Foliage showing dull green appearance, growth retarded. | ||
Potassium | Chlorosis of leaf tips, leaves dull green and die back from tips. | ||
Phosphorous | Plants dwarfed, leaves small, bluish green developing purplish tinge. | ||
7. Pepper | Nitrogen | Stunted plant growth, leaves small, yellow, and fruits yellow green. | |
Phosphorous | Restricted growth. Fruit small and leaves yellowish. | ||
Potassium | Small necrotic lesions along the vein of bronzed leaves. | ||
Calcium | Stunted growth, leaves dark green. Fruit small and darker green. | ||
8. Lettuce | Nitrogen | Leaves pale green, older leaves yellow and get withered. | |
Potassium | Restricted growth, leaves dark green. In case of severed deficiency, yellow spots develop near the tips of older leaves. | ||
Phosphorous | Plants stunted, dull and dark green, reddish purple tinge on the leaves. | ||
Magnesium | Yellowish margins of older leaves, later become scorched. | ||
9. Cucumber | Nitrogen | Restricted plant growth. Stem thin with yellowish leaves; fruits pale and of poor quality. | |
Phosphorous | Younger leaves small and dark grayish green. Both veins and intervenial areas becoming brownish. | ||
Potassium | Marginal chlorosis and browning of leaves, later spreading interveinally. Leaf margins turn brown and later dry out. | ||
Magnesium | Chlorosis and intervenial yellowing of fruit. | ||
Calcium | Yellowing of leaves. Plants show stunting, roots poorly developed, thicker and shorter. | ||
Sulphur | Upper leaf surface pale green, yellow, showing chlorosis. | ||
Iron | Yellowish green younger leaves. Plants short. | ||
Manganese | Intervenial chlorosis, veins remaining green. Growth retarded. | ||
C: Fodder crops | |||
Clover | Potassium | Brownish to whitish spots near leaf margins, later scorching of leaf margins, leaves also show some signs of Chlorosis. | |
Phosphorous | Leaves dull green. Plants with less foliage. Purplish or bronzed spots on leaf surface. | ||
Calcium | Growth restricted, young shoots with and die off. Leaf margins become brown to reddish brown. | ||
Magnesium | Yellowing of older leaves. Leaf margins become brown to reddish brown. | ||
D: Fruit plants | |||
1-Apple | Phosphorous | Leaves small, dull green with purple to bronzed tint (tinge). | |
Potassium | Stunted growth leaves bluish green, slightly chlorotic. L margins scorched. | ||
Magnesium | Leaves with intervenial chlorosis, especially near margins. | ||
Nitrogen | Leaves smaller, pale green, leaves fall early. Fruit small. | ||
Calcium | Leaf margins scorched, curling upward. | ||
2. Strawberry | Phosphorous | Leaves dull green. Older leaves fall early. | |
Manganese | Chlorosis of margins. | ||
Magnesium | Yellowing of older leaves. | ||
Iron | Leaves chlorotic. | ||
E-Flowering Plants | |||
1. Poinsettia | Nitrogen | Leaves pale green and then yellow. Plant growth short, with reddish petiole. | |
Phosphorous | Older leaves yellow. Upper leaves darker green and lower leaves yellowish. Delayed flowering. | ||
Potassium | Lower leaves show yellowing of the margins. Veins dark green. Leaf margins later turn brown. | ||
Calcium | Leaves become dark green with a reddish tint and tend to with. Leaves get defoliated. Internodes short. | ||
Magnesium | Stunting of plants, interveinal chlorosis of lower leaves. Necrotic spots developed along the margins. | ||
2. Chrysanthemum | Nitrogen | Leaves becoming pale green. Older leaves become yellow, then brown and die prematurely. Retarded plant growth. | |
Phosphorous | Plants dull green. Older leaves yellow and then brownish. Purplish red pigments also develop on leaves. | ||
Potassium | Browning of leaf margins and death of lower leaves. Curling of leaf margins downward and inward. Growth rate slows, with poor root system. | ||
Calcium | Initially slight loss in color and later development of brown spots on upper leaves, enlarging rapidly, afterwards distortion. | ||
Magnesium | Leaves become pale green, and then usually interveinal yellowing. Symptoms are prominent on young leaves. Growth is ceased. | ||
Copper | Dull green leaves, yellowing of veins, spreading toward margins. | ||
Zinc | Small yellow spots on middle and upper leaves. On enlarging become brown. | ||
Boron | Pale upper leaves with short internodes. Interveinal yellowing and downward curling. | ||
3. Carnation | Nitrogen | Older leaves turning yellow, necrosis of tips. | |
Phosphorous | Reduced growth. Stunted plants with narrow leaves. | ||
Potassium | Yellowish necrotic spots on upper and middle leaves. Affected regions become dried and shriveled. Slender and short stem with narrow leaves. | ||
Calcium | Plants pale green, tip burn of leaves. Necrotic spots on stem and also on leaves. | ||
Magnesium | Chlorosis of middle leaves, developing upward and downward. Leaves becoming yellow with light green veins. | ||
Copper | Stem becomes thin and weak. | ||
