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Methods of Applying Fertilizer

The document outlines various methods of fertilizer application, including broadcasting, placement, liquid and specialty methods, and aerial application. Each method is designed to enhance efficiency and effectiveness based on crop and soil conditions. Key techniques include basal application, top dressing, foliar feeding, and fertigation, among others.

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15 views2 pages

Methods of Applying Fertilizer

The document outlines various methods of fertilizer application, including broadcasting, placement, liquid and specialty methods, and aerial application. Each method is designed to enhance efficiency and effectiveness based on crop and soil conditions. Key techniques include basal application, top dressing, foliar feeding, and fertigation, among others.

Uploaded by

sahajialbensheriff
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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AI Overview

+13

Methods of fertilizer application include broadcasting, scattering


fertilizer uniformly across the field; placement methods like banding
and deep placement near the seed or plant roots; liquid application
methods, including foliar feeding, fertigation (applying with
irrigation), starter solutions, and soil injection; and aerial application
for large areas, with the best choice depending on the crop, soil
conditions, and fertilizer type.
Here are the main categories of fertilizer application methods:

1. Broadcasting
 Basal Application: Fertilizer is spread over the entire field before or
at planting.
 Top Dressing: Fertilizer is applied over the top of an established crop,
often nitrogenous fertilizers, as a form of broadcasting.
 Seed-Fertilizer Mixture: Fertilizer is broadcast along with the seeds,
or seeds are coated with fertilizer before planting.
2. Placement Methods
These methods place fertilizer at specific locations in the soil to
increase efficiency and reduce losses.
 Row Application/Banding:
Fertilizer is applied in a concentrated strip or band on one or both
sides of the seed or plant row.

 Hill Placement:
Fertilizer is placed in a band around the base of individual plants or
trees.
 Deep Placement:
Fertilizers, particularly nitrogenous ones, are placed deep into the soil
to reduce volatilization and loss.
 Plough Sole Placement:
Fertilizer is placed at the depth of the plough layer, with each band
covered as the next furrow is turned.
3. Liquid and Specialty Methods
These techniques involve applying fertilizers in liquid forms or via
specialized systems.
 Foliar Application:
Nutrients dissolved in water are sprayed directly onto the leaves of
plants for rapid absorption.
 Fertigation:
Fertilizers are dissolved in water and applied through the irrigation
system, such as drip irrigation or sprinklers.
 Starter Solutions:
A concentrated solution of nutrients is applied to young plants,
especially vegetables, at the time of transplanting to promote quick
establishment.
 Soil Injection:
Liquid fertilizers are injected into the soil using pressurized or non-
pressurized methods.
4. Aerial Application
 Aerial Spraying: Fertilizers are applied from an aircraft, which is
suitable for large-scale farming operations or difficult-to-access areas.

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