19SAC301 Manures, Fertilizers and soil Fertility Management

1. management
R T N M
NAMITHA KRISHNAN
CB.AG.U4AGR20139
MANURES,FERTILIZERS AND SOIL FERTILITY MANAGEMENT 3(2+1)
Real-time
nitrogen
COURSE TEACHER:
DR.SABAREESHWARI V
DR.MAGESHEN V R
ASSISTANT PROFESSOR
DEPT OF SOIL SCIENCE
19SAC301
Amrita School of Agricultural Sciences
(Amrita Viswa Vidyapeetham)
Arasampalayam (PO),Coimbatore.

2. Real-time nitrogen management (RTNM) is an advanced
agricultural practice that seeks to optimize the use of nitrogen
fertilizer by applying it in real-time based on crop and soil
conditions.
The goal is to provide crops with the right amount of nitrogen at
the right time at the right source with right placement (4R's) to
maximize yields while minimizing environmental impacts.
WHAT IS RTNM?

3. used in a variety of cropping systems, including row crops,
small grains, and forage crops,vegetable crops.
the suitability of RTNM for a specific crop and farming
system will depend on factors such as crop type, soil
characteristics, and climate.
It can be particularly useful in situations where nitrogen
fertilizer is a major input cost and/or where environmental
concerns related to nitrogen use are a priority.
WHERE CAN WE USE RTNM ?

4. MECHANISM
OF RTNM
It involvesthe use of sensors
and data analysisto monitor
and adjust nitrogen fertilizer
application in real-time.

5. RTNM begins with the use of sensors
and other toolsto monitor soil and
crop conditions in real-time.
These may include tools such as soil
moisture sensors, weather stations,
& crop sensorsthat can measure
plant growth and nutrient status.
The basic steps in the RTNM process
1.Soil and crop monitoring:

6. 2.Data analysis: The data generated by these sensors
isanalyzed using sophisticated algorithmsand models
to determine the optimal nitrogen fertilizer application
rate, timing, and location. Thisanalysistakesinto
account factors such as crop growth stage, soil type,
weather conditions, and nitrogen availability.

7. Based on the resultsof the data
analysis, nitrogen fertilizer isapplied to
the crop in real-time using precision
application methodssuch asvariable
rate application or fertigation. This
ensures that the crop receives the
optimal amount of nitrogen at the right
time and in the right place.
3.Fertilizer
application

8. 4.Monitoring and adjustment
Throughout the growingseason, the RTNM
system continuesto monitor soil and crop
conditions and adjust fertilizer application as
needed. This allows for fine-tuning of nitrogen
management practices to optimize crop
productivity and minimize nitrogen waste.

9. The mechanism of RTNM can vary depending on the
specific tools and technologies used, but the basic
concept involves using real-time data analysis and
precision application methods to optimize nitrogen
fertilizer management.

10. Area to use Real-time nitrogen
management condition
(RTNM) may be beneficial in a variety of cropping
systems and geographic regions. However, the specific
conditions under which RTNM is most effective may
vary depending on factors such as soil type, climate,
and crop type.

11. (RTNM) has several advantages over traditional
nitrogen management practices, including
Increased crop yields
Reduced nitrogen waste
Improved environmental sustainability
Improved soil health
Better decision-making
RTNM has the potential to improve both the economic and
environmental sustainability of crop production by optimizing the use
of nitrogen fertilizer. However, successful implementation of RTNM
requires a significant investment in technology and expertise, and
ongoing monitoring and management to ensure success.

12. RTNM may be particularly beneficial to
In cropping systems where nitrogen fertilizer represents a
significant input cost, such as row crops or vegetable crops,
RTNM can help optimize fertilizer use and reduce costs.
In regions where soils vary widely in terms of fertility, texture,
and organic matter content, RTNM can help ensure that crops
receive the optimal amount of nitrogen regardless of soil
conditions.

13. In areas where weather conditions are highly variable, such
as regions prone to drought or heavy rainfall, RTNM can help
adjust fertilizer application rates and timing to account for
changingweather conditions
Precision agriculture: RTNM isa key component of precision
agriculture, which involves using advanced technologies and
data analysis to optimize crop management practices.
Sensitive environmental areas

14. LIMITATIONS
High cost
Limited applicability
Weather dependence
Data management
Need for specialized training and expertise. Complexity
Careful consideration of these limitations can help farmers
make informed decisions about whether RTNM isa viable
option for their operations

15. CONCLUSION
Real-time nitrogen management isan
effective and sustainable approach to
nitrogen fertilizer management that can
help farmers optimize crop productivity
and minimize environmental impacts.
With continued technological
advancementsand adoption of best
management practices, RTNM has the
potential to become a widely used tool
for sustainable crop production.

16. REFERENCE
Book: Soil Fertility and Fertilizers: An Introduction to
Nutrient Management, Eighth Edition
Real Time Nitrogen Management under SSNM
Author: Varsha Pandey
Agri Mirror:Future India
Journal of Pure andApplied Microbiology
http://dx.doi.org/10.22207/JPAM.12.2.64

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