Nutrient management is a system used by farmers to manage nutrients applied to crops. The goal is to supply optimal nutrients for plant growth while minimizing pollution and maintaining soil quality. Nutrient management plans are tailored to specific sites to maximize profits and crop yields sustainably. Plants require 16 essential nutrients supplied by air, water, and soil. Fertilizers are used to replenish nutrients in soil and ensure healthy plant growth, but excessive use can harm the environment and deplete soils over time. Organic fertilizers like manure and compost improve soil structure and support microbial activity.

1. CROP PRODUCTION MANAGEMENT

2. Nutrient
Management

3. Nutrient Management:
 Nutrient management is a system used by farmers to
manage the amount, form, placement, and timing of
the application of nutrients (whether
as manure, commercial fertilizer, or other form of
nutrients) to plants. The purpose is to supply plant
nutrients for optimum forage and crop yields, to
minimize nonpoint source pollution (runoff of
pollutants to surface water) and contamination
of groundwater, and to maintain and/or improve the
condition of soil.

4.  Nutrient management is the practice of using
nutrients wisely for optimum economic
benefit, while minimizing impact on the
environment.
 Nutrient management is managing crop fertility
inputs and other production practices for
efficient crop growth and water quality
protection. Nutrient management plans for site-
specific situations minimize undesired
environmental effects while optimizing farm
profits and production.

5. On The Basis Of Text-Book
 Just as we humans need nutrients for the
development of body , for growth , for well-being
, plants also need nutrients for the same reasons.
Nutrients are supplied to plants by air , water and
soil . There are total 16 nutrients that are needed by
the plants.
 Oxygen and carbon comes from air , hydrogen comes
from water and other 13 nutrients are provided by
soil.
Plants require both macro and micro nutrients.

6. Nutrients supplied by air,water and
soil
SOURCE: NUTRIENTS:
Air : Carbon and Oxygen.
Water : Hydrogen and Oxygen.
Soil : i)Macro-nutrients:
Nitrogen, Phosphorus, Potassium,
Calcium, Magnesium, Sulphur.
ii)Micro-nutrients:
Iron, Manganese, Boron, Zinc, Cop
per, Molybdenum and Chlorine.

8. Fertilizer

9. What is Fertilizers???
Fertilizer is any organic
or inorganic material of
natural or synthetic origic
that is added to soil to
supply one or more plant
nutrients essential to the
growth of plants.

10. Uses Of Fertilizers
NUTRIENTS
 Both natural and man-made fertilisers are measured by the three major
nutrients that are in them. These are:
Nitrogen - assists plant in leaf and stem growth.
Phosphorus - assists young plants and root crops to develop good.
Potassium - assists plants to produce flowers and fruit.
 They give rise to a healthy plant, ensures good vegtative growth.
 Fertilizers are a factor in the higher yeild of high cost farming.

11. Harms By Fertilizer
 Continuous and execess use of fertilizers ,destroys soil fertility.
 The use of chemical fertilizers can have adverse effects on waterways
caused by chemical run off of the excess fertilizer. The result is oxygen
depletion causing the fish to die.
 Excess nitrogen used in crop fertilization can contribute to the release
of greenhouse gases such as carbon dioxide and nitrous oxide into the
atmosphere.
 continuous use of chemical fertilizers on soil depletes the soil of
essential nutrients. As a result, the food produced in these soils have less
vitamin and mineral content.

12. Proper way of spreading
 fertilizer
Fertilizers should be applied carefully in terms of proper
time, dose, etc.
 Test the soil regularly and find the nutrients needed.
 Fertlisers should be spread after rainfall so to prevent
washing away of nutrients.
 Use mulch lawn mower. This means that the mower recycles
cut grass blades and leaves back into the soil; no valuable
compost is gone to waste!

14. MANURE

15. WHAT IS MANURE ???
Manure is organic matter used as organic
fertilizer in agriculture. Manures contribute to the fertility of
the soil by adding organic matter and nutrients, such
as nitrogen, that are trapped by bacteria in the soil. Higher
organisms then feed on the fungi and bacteria in a chain of
life that comprises the soil food web . It is also a product
obtained after decomposition of organic matter like cow-dung
which replenishes the soil with essential elements and add
humus to the soil.

16. USES OF MANURE
 Animal dung has been used for centuries as
a fertilizer for farming, as it improves the soil
structure (aggregation), so that it holds more
nutrients and water, and becomes more fertile.
Animal manure also encourages soil microbial
activity, which promotes the soil's trace mineral
supply, improving plant nutrition. It also
contains some nitrogen and other nutrients that
assist the growth of plants.

17. COMPOST & VERMI COMPOST
 Compost is organic matter that has been decomposed and
recycled as a fertilizer and soil amendment. Compost is a key
ingredient in organic farming. At the simplest level, the
process of composting simply requires making a heap of
wetted organic matter (leaves, "green" food waste) and
waiting for the materials to break down into humus after a
period of weeks or months.
 Vermi compost is the product or process of composting using
various worms, usually red wigglers, white
worms, and earthworms to create a heterogeneous mixture of
decomposing vegetable or food waste, bedding materials, and
vermicast. Vermicast, also called worm castings, worm humus
or worm manure, is the end-product of the breakdown
of organic matter by an earthworm .

18. GREEN MANURE
 In agriculture, a green manure is a type of cover
crop grown primarily to add nutrients and organic
matter to the soil. Typically, a green manure crop is
grown for a specific period of time, and then ploughed
under and incorporated into the soil while green or
shortly after flowering. Green manure crops are
commonly associated with organic agriculture, and
are considered essential for annual cropping systems
that wish to be sustainable. Traditionally, the
practice of green manuring can be traced back to
the fallow cycle of crop rotation, which was used to
allow soils to recover.

21. The seven nutrient used
by plants in small quantity
is called_______.

22. The seven nutrient
used by plants in
small quantity is
called micronutrients .

23. Nutrient not supplied by soil
in plant is.
a)hydrogen b)potassium
c)calcium d)nitrogen

24. Nutrient not supplied by soil
in plant is.
a)hydrogen b)potassium
c)calcium d)nitrogen

25. Fertilizers should be applied
carefully in terms of _____
,_____ ,and observing pre-
and post-application precautions
for their complete utilization.

26. Fertilizers should be applied
carefully in terms of proper
dose, time , and observing pre-
and post-application precautions
for their complete utilization

27. Compost is also prepared by using
earthworms to hasten the process of
decomposition of plant and animal
refuse. This is called _____ .
a)composting b) ammomnolysis
c)reduction d) vermi -compost

28. Compost is also prepared by using
earthworms to hasten the process of
decomposition of plant and animal
refuse. This is called _____ .
a)composting b) ammomnolysis
c)reduction d) vermi -compost

29. fertilizers supplies _______
,_______ and nitrogen to plant.
a)nitrogen, zinc
b)zinc, potassium
c)phosphorus, chlorine
d)phosphorus, potassium

30. fertilizers supplies _______
,_______ and nitrogen to plant.
a)nitrogen, zinc
b)zinc, potassium
c)phosphorus, chlorine
d)phosphorus, potassium

31. THANK
YOU
MADE BY : ROLL NO. 13
-18