NPK (19:19:19) – 100 gram

Description

NPK (19:19:19)

 

Price: 250 Taka

Quantity: 100 gram

 

NPK 19:19:19 is a balanced water-soluble fertilizer containing equal proportions of Nitrogen (N), Phosphorus (P₂O₅), and Potassium (K₂O). It is commonly used in agriculture, horticulture, rooftop gardening, hydroponics, and drip irrigation systems because it provides all three primary macronutrients together.

Benefits in Gardening or Agriculture

A. Balanced plant nutrition

Since all three nutrients are supplied equally, it works as an all-purpose fertilizer during many crop stages.

B. Promotes healthy green vegetative growth

Nitrogen supports:

• Leaf development
• Chlorophyll formation
• Stem growth
• Faster canopy formation

Plants become greener and more vigorous.

C. Strong root development

Phosphorus helps:

• Early root establishment
• Better seedling vigor
• Root branching
• Nutrient uptake efficiency

Useful after transplanting.

D. Better flowering and fruit formation

Potassium supports:

• Flower initiation
• Fruit set
• Fruit filling
• Improved quality

Especially useful for vegetables and fruit crops.

E. Improves crop yield

Benefits:

• Higher productivity
• Uniform crop growth
• Better fruit size
• Reduced nutrient deficiency symptoms

F. Improves disease and stress tolerance

Potassium helps crops tolerate:

• Heat stress
• Drought
• Disease pressure
• Environmental fluctuations

G. Rapid absorption

Because it dissolves completely in water, nutrients are quickly available to plants.

H. Works with drip irrigation and foliar spray

Suitable for:

• Fertigation
• Foliar spray
• Hydroponics
• Protected cultivation

Application Rate

Rates vary by crop and growth stage.

A. Foliar spray

General:

• 2–5 g/L water
• Common recommendation:
  4–5 g/L water

Spray every:

• 10–15 days

B. Fertigation (drip)

General:

• 1–5 kg per acre/application

C. Soil application

Field crops:

• 100–300 kg/hectare

Fruit trees:

• 150–300 kg/hectare

D. Home gardening

Potted plants:

• Small pots: 1–2 g/L
• Medium pots: 3–5 g/L

Apply every:

• 10–15 days

For your rooftop gardening projects, using lower concentration is safer.

Best Method to Use

Best methods:

Foliar spray

• Dissolve fertilizer in clean water
• Spray morning or late afternoon
• Avoid strong sunlight

Fastest response.

Drip fertigation

Most efficient because nutrients directly reach root zone.

Hydroponics

Can be part of nutrient solution with micronutrients.

Soil drench

Suitable for potted plants and home gardens.

Avoid mixing with:

• Calcium fertilizers
• Magnesium salts

May cause precipitation.

Suitable Crops

Almost all crops:

Vegetables

• Tomato
• Chili
• Cucumber
• Onion
• Potato
• Lettuce
• Cabbage
• Brinjal

Fruits

• Papaya
• Banana
• Mango
• Grapes
• Watermelon
• Pomegranate

Flowers

• Rose
• Gerbera
• Chrysanthemum
• Carnation

Field crops

• Rice
• Maize
• Wheat
• Cotton
• Sugarcane

Plantation crops

• Coconut
• Coffee
• Cardamom

Nutrient Contents

Total primary nutrients: 57%

Chemical Formula

NPK 19:19:19 is a blend, not a single molecule.

Common chemical sources:

Nitrogen:

• CO(NH₂)₂ (Urea)
• NH₄NO₃ (Ammonium nitrate)

Phosphorus:

• NH₄H₂PO₄
• (NH₄)₂HPO₄

Potassium:

• KNO₃
• K₂SO₄
• KCl

Chemical Contents Present

Typical composition:

Nitrogen forms:

• Urea nitrogen ≈10.5%
• Ammoniacal nitrogen ≈4.5%
• Nitrate nitrogen ≈4%

Phosphorus:

• Water soluble P₂O₅: 19%

Potassium:

• Water soluble K₂O: 19%

Moisture:

• 1.5–5%

How It’s Made / Produced

Production steps:

1. Raw material selection
2. Crushing
3. Electronic batching
4. Mixing
5. Granulation
6. Drying
7. Cooling
8. Screening
9. Packaging

Raw materials often include:

Nitrogen source:

• Urea
• Ammonium nitrate

Phosphorus source:

• Phosphate compounds

Potassium source:

• Potassium sulfate
• Potassium chloride

Other Uses Apart from Gardening

Other applications:

• Hydroponics nutrient preparation
• Tissue culture nurseries
• Landscaping
• Golf turf management
• Lawn maintenance
• Greenhouse production
• Seedling nurseries
• Research laboratories
• Aquaponics nutrient supplementation

Some hobby growers also discuss use in custom nutrient mixes.

Reference Sources:

SLN NPK 19:19:19

Sowparnika Agro NPK 19-19-19

Shamrock Overseas NPK 19:19:19

Agrisia NPK 19:19:19

Fission Biotech Guide

Plantix Utkarsh NPK 19:19:19

Manufacturing Process Video

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