Transcript Role and deficiency symptoms of Nitrogen in Mango

Role and deficiency symptoms of Nitrogen in Mango
Introduction
Improved yield in mango require balance application of nutrients
in proper form. But continuous and imbalanced use of inorganic
fertilizers affect the soil health as well yield by:
Affecting useful soil microbes and remains of chemical
residue become toxic to plants and adversely affecting
health of the mango plant.
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Role and deficiency symptoms of Nitrogen in Mango
Therefore, it is important to use chemical fertilizers
judiciously to get higher yield without affecting soil health.
Integrated nutrient management is a good agricultural
practices which improves yield in mango without affecting
soil health.
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Role and deficiency symptoms of Nitrogen in Mango
Before adapting integrated nutrient management practice in
mango, it is utmost important to have an idea about the role
and deficiency symptoms of different elements on mango .
Therefore in this RLO you will learn the role and deficiency
symptoms of nitrogen on mango.
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Role and deficiency symptoms of Nitrogen in Mango
After completing this lesson, you will be able to answer:
1.
Learn the role of nitrogen in mango
2.
Explain deficiency symptoms of nitrogen in mango
3.
Describe symptoms of excess nitrogen in mango
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Role and deficiency symptoms of Nitrogen in Mango
Role
Nitrogen is one of the most important nutrients for the growth
of mango .
It has a relevant role in the production and quality of the
fruits.
Nitrogen effects are seen principally in the vegetative phase
of growth
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Role and deficiency symptoms of Nitrogen in Mango
Role
Mango leaves with more than 1.2% N were associated with
fruits that had greenish spots on reddish skin.
Nitrogen application induced flowering in the following years.
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Role and deficiency symptoms of Nitrogen in Mango
Role
Induced early flush and encouraged flowering.
N application increases yield and quality of fruits in mango.
Adequately nourished mango with N regularly develop shoots,
and have viable panicles able to bear fruit.
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Role and deficiency symptoms of Nitrogen in Mango
Deficiency symptoms
Nitrogen deficiency may adversely affect yield.
Lack of nitrogen causes retarded development,
vegetative growth and reduced production of fruits.
less
Due to nitrogen deficiency relatively small fruit set associated
with leaves that matured without attaining normal size.
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Role and deficiency symptoms of Nitrogen in Mango
Deficiency symptoms
The deficiency symptoms first
appeared near the base of
current years growth, and
progressed towards the tip,
new leaves fails to attain
normal size.
Leaf stalks tended to form
narrow angles with the stem.
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Role and deficiency symptoms of Nitrogen in Mango
Deficiency symptoms
Fruit ripens prematurely and drop prematurely.
Nitrogen deficiency caused reduced leaf area and general
yellowing
Excess of nitrogen causes excessive vegetative growth,
difficulty at floral differentiation, loss of yield and fruit quality,
and an increased susceptibility to disease.
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