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Module V: Chili Pepper Plant Nutrition. Lesson 2: Importance of Primary Nutrients. Unit 1 : Nitrogen Nutrition. After completing this Unit, you should be able to answer: What is the role of nitrogen in the growth and development of chili pepper plants ?

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slide1

Module V: Chili Pepper Plant Nutrition

  • Lesson 2: Importance of Primary Nutrients

Unit 1 : Nitrogen Nutrition

  • After completing this Unit, you should be able to answer:
    • What is the role of nitrogen in the growth and development of chili pepper plants?
    • Do chili pepper crop requires high dose of applied nitrogen?
    • Why a starter dose of nitrogen application is important for chili pepper crop?
    • What should be the basis to top dress with nitrogen for chili pepper crop?
slide2

Module V: Chili Pepper Plant Nutrition

  • Lesson 2: Importance of Primary Nutrients

Unit 1 : Nitrogen Nutrition

As with other crop plants, nitrogen plays an important role for good growth and development of chili pepper.

Nitrogen is to a plant what petrol is to a car.

Nitrogen drives plant growth which stops when plants run out of nitrogen.

slide3

Module V: Chili Pepper Plant Nutrition

  • Lesson 2: Importance of Primary Nutrients

Unit 1 : Nitrogen Nutrition

Nitrogen to some extent controls the efficient utilization of phosphorus and potassium.

Nitrogen availability to plants is reflected in dark green color of stems and leaves, and vigorous growth.

Chili pepper well supplied

with Nitrogen

slide4

Module V: Chili Pepper Plant Nutrition

  • Lesson 2: Importance of Primary Nutrients

Unit 1 : Nitrogen Nutrition

Chili pepper uptakes maximum nitrogen during the 5- leaf stage until flowering (Fig.).

This is the stage is when plants turn from vegetative growth to early reproductive stage and plants initiate flowers and determine the number of potential fruits.

Yield potential is established at this time. Deficiency of nutrients and/or moisture will reduce yields drastically.

slide5

Module V: Chili Pepper Plant Nutrition

  • Lesson 2: Importance of Primary Nutrients

Unit 1 : Nitrogen Nutrition

Applying nitrogen is essential for acceptable yields.

In light soils (sandy loams) the applied nitrogen may be lost due to leaching with heavy rains (Fig.).

So, only about half of the recommended nitrogen dose should be applied at seedbed preparation.

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Module V: Chili Pepper Plant Nutrition

  • Lesson 2: Importance of Primary Nutrients

Unit 1 : Nitrogen Nutrition

The remaining half of nitrogen dose is side dressed when the crop is 25 to 30 days old.

On soils which do not leach easily like black soils, all of the nitrogen may be applied during seedbed preparation.

slide7

Module V: Chili Pepper Plant Nutrition

  • Lesson 2: Importance of Primary Nutrients

Unit 1 : Nitrogen Nutrition

With this, the Unit 1 on Nitrogen Nutrition in this Lesson concludes.

The next Unit in this Lesson is about phosphorus nutrition.