7th-Water-in-Agriculture-and-Dry-land-Agriculture.pptx

Jan 9, 2023Download as PPTX, PDF0 likes77 views

This document discusses water usage in agriculture, including irrigation methods and dryland farming. It notes that while 70% of Earth is covered in water, not all water is suitable for drinking or agriculture. It then describes various irrigation techniques like tube wells, tank irrigation, canals, and dams that provide fresh water for crops. Dryland farming relies solely on rainfall and is used in low rainfall areas. The document outlines problems in dryland agriculture like low soil fertility and irregular rains. Overall, it stresses that proper water management strategies are key to maintaining optimal agricultural production and yields.

WATER IN
AGRICULTURE
DRYLAND
AGRICULTURE
&

WHAT IS WATER?
Water is extremely essential for all forms
of life. Though 70% of the earth is covered
with water, not all the water is suitable for
drinking and especially in Agriculture.
Rain water is the purest form of water.
WATER IN AGRICULTURE

Rivers and lakes are the main source of
fresh water.
Oceans and sea water are salty, so we
required is fresh water.
Earth, air, fire, and water were
considered by the ancient philosopher to be
the four elements.

Refers to farming entirely dependent on
rain conditions and without secure irrigation
facilities.
Dry farming uses special agricultural
techniques for the non-irrigated cultivation
of crops and is used Low rainfall areas
around the world.
DRYLAND AGRICULTURE

Dry farming is dependent on natural
rainfall and is used by farmers to
continually adopt to the presence or lack
of moisture in a given crop cycle.

1) IRRIGATION
2) TUBE WELLS
3) TANK IRRIGATION
4) CANALS
5) DAMS
WATER IN AGRICULTURE

DRYLAND AGRICULTURE
DRY FARMING
Cultivation of plants in areas with less than 750 mm of
rainfall per year.
DRYLAND FARMING
Cultivation of crops in areas with rainfall exceeding 750
mm per year.
RAIN RED FARMING
Cultivation of crops in regions with rainfall above 1,150 mm
per year.

7th-Water-in-Agriculture-and-Dry-land-Agriculture.pptx

1) MODERN RAINWATER HARVESTING
2) SALTY GROUNDWATER
3) WATERSHED MANAGEMENT
WATER IN AGRICULTURE

1) LOW FERTILITY OF SOIL
2) LOW MOISTURE RETENTION CAPACITY
3) LATE ONSET AND EARLY CESSATION OF RAINS
DRYLAND AGRICULTURE

IMPORTANCE OF WATER IN
AGRICULTURAL ECOLOGY

Human uses the water in:
AGRICULTURE
The most important for the
agriculture is for irrigation.
FOR DRINKING
Because the body need 75% of water
to do exercise.

WASHING
Washing is also an important component
of several aspects of personal body hygiene.
FIRE EXTINCTION
One of the important use of the water is
fire extinction.

INDUSTRIAL APPLICATIONS
Water is used in power generation.

Effect of water on the
Agricultural Ecology

POSITIVE EFFECT
Irrigation enables greater agricultural
production than is achieved with rainfed
agriculture.
The additional food production
obtained with irrigation is essential for food
security on a global level, and on a national
level for some countries.

NEGATIVE EFFECT
Agricultural practices may also have negative
impacts on water quality.
Improper agricultural methods may elevate
concentrations of nutrients, fecal coliforms, and
sediment loads.
Increased nutrient loading from animal waste
can lead to eutrophication of water bodies which
may eventually damage aquatic ecosystems.

Effect of water on growth and yield of
different agricultural commodities

Water aids a plant by delivering essential
nutrients throughout it.
The plant takes nutrients from the earth
and uses them.
The plant will droop if there isn't enough
water in the cells, thus water helps it stay
straight.

The water in the plant transports
dissolved sugar and other nutrients.
Water scarcity prevents the plant from
receiving the essential nutrients it requires.

As a result, water shortage and
surplus on fields can have an equal
impact on total crop growth and
development, as well as yield and
quality.

When agricultural water is used effectively
and safely, production and crop yield are
positively affected.
A decrease in applied water can cause
production and yield to decrease.

Management strategies are the most
important way to improve agricultural
water use and maintain optimal
production and yield.

The key is to implement
management strategies that improve
water use efficiency without decreasing
yield.

REFERENCES
? https://www.fao.org/3/y5582e/y5582e04.htm
? https://www.google.com/search?q=Importance+of+TANK+IRRIGATI
ON+ON+water+in+agriculture&biw=1366&bih=657&sxsrf=ALiCzsbnf
cxp9-EDznxMjx3r-
ale2PTgVw%3A1651755049219&ei=KchzYo3yDLfiz7sPkZiwqA8
? http://cropinsurancesolutions.com/dryland-farming-relies-on-
water-conservation/

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Improving castor (Ricinus communis) productivity through different sowing sch...Open Access Research Paper

Field experiment was conducted at Tapioca and Castor Research Station during 2014 -15 on evaluation of different sowing schedules (August, September, October and November) and varieties/ hybrids (DCS -107, DCH – 177, GCH – 7 and YRCH – 1) in castor. Among the sowing dates, sowing of castor at 2nd fortnight of August has recorded significantly higher kernel yield (705.8kg/ha) followed by September (497.0kg/ha) over October and November sown plots due to deficit in rainfall. Among the varieties/hybrids tested GCH7 has recorded significantly higher mean kernel yield (597.7kg/ha) in all dates of sowing over other genotypes. GCH7 and DCH 177 have recorded significantly higher kernel yield by taking sowing during 2nd fortnight of August (1046 and 927.6kg/ha).

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7th-Water-in-Agriculture-and-Dry-land-Agriculture.pptx

1. WATER IN AGRICULTURE DRYLAND AGRICULTURE &

2. INTRODUCTION

3. WHAT IS WATER? Water is extremely essential for all forms of life. Though 70% of the earth is covered with water, not all the water is suitable for drinking and especially in Agriculture. Rain water is the purest form of water. WATER IN AGRICULTURE

4. Rivers and lakes are the main source of fresh water. Oceans and sea water are salty, so we required is fresh water. Earth, air, fire, and water were considered by the ancient philosopher to be the four elements.

5. Refers to farming entirely dependent on rain conditions and without secure irrigation facilities. Dry farming uses special agricultural techniques for the non-irrigated cultivation of crops and is used Low rainfall areas around the world. DRYLAND AGRICULTURE

6. Dry farming is dependent on natural rainfall and is used by farmers to continually adopt to the presence or lack of moisture in a given crop cycle.

7. SUBTOPICS

8. 1) IRRIGATION 2) TUBE WELLS 3) TANK IRRIGATION 4) CANALS 5) DAMS WATER IN AGRICULTURE

9. IRRIGATION

10. TUBE WELLS

11. TANK IRRIGATION

12. CANALS

13. DAMS

14. DRYLAND AGRICULTURE DRY FARMING Cultivation of plants in areas with less than 750 mm of rainfall per year. DRYLAND FARMING Cultivation of crops in areas with rainfall exceeding 750 mm per year. RAIN RED FARMING Cultivation of crops in regions with rainfall above 1,150 mm per year.

16. PROBLEMS AND CONSTRAINTS

17. 1) MODERN RAINWATER HARVESTING 2) SALTY GROUNDWATER 3) WATERSHED MANAGEMENT WATER IN AGRICULTURE

18. MODERN RAINWATER HARVESTING

19. SALTY GROUNDWATER

20. WATERSHED MANAGEMENT

21. 1) LOW FERTILITY OF SOIL 2) LOW MOISTURE RETENTION CAPACITY 3) LATE ONSET AND EARLY CESSATION OF RAINS DRYLAND AGRICULTURE

22. LOW FERTILITY OF SOIL

23. LOW MOISTURE RETENTION CAPACITY

24. LATE ONSET AND EARLY CESSATION OF RAINS

25. IMPORTANCE OF WATER IN AGRICULTURAL ECOLOGY

26. Human uses the water in: AGRICULTURE The most important for the agriculture is for irrigation. FOR DRINKING Because the body need 75% of water to do exercise.

27. WASHING Washing is also an important component of several aspects of personal body hygiene. FIRE EXTINCTION One of the important use of the water is fire extinction.

28. INDUSTRIAL APPLICATIONS Water is used in power generation.

29. Photos of human uses

30. Effect of water on the Agricultural Ecology

31. POSITIVE EFFECT Irrigation enables greater agricultural production than is achieved with rainfed agriculture. The additional food production obtained with irrigation is essential for food security on a global level, and on a national level for some countries.

32. NEGATIVE EFFECT Agricultural practices may also have negative impacts on water quality. Improper agricultural methods may elevate concentrations of nutrients, fecal coliforms, and sediment loads. Increased nutrient loading from animal waste can lead to eutrophication of water bodies which may eventually damage aquatic ecosystems.

33. Effect of water on growth and yield of different agricultural commodities

34. Water aids a plant by delivering essential nutrients throughout it. The plant takes nutrients from the earth and uses them. The plant will droop if there isn't enough water in the cells, thus water helps it stay straight.

35. The water in the plant transports dissolved sugar and other nutrients. Water scarcity prevents the plant from receiving the essential nutrients it requires.

36. As a result, water shortage and surplus on fields can have an equal impact on total crop growth and development, as well as yield and quality.

37. CONCLUSION

38. When agricultural water is used effectively and safely, production and crop yield are positively affected. A decrease in applied water can cause production and yield to decrease.

39. Management strategies are the most important way to improve agricultural water use and maintain optimal production and yield.

40. recommendation

41. The key is to implement management strategies that improve water use efficiency without decreasing yield.

42. REFERENCES ? https://www.fao.org/3/y5582e/y5582e04.htm ? https://www.google.com/search?q=Importance+of+TANK+IRRIGATI ON+ON+water+in+agriculture&biw=1366&bih=657&sxsrf=ALiCzsbnf cxp9-EDznxMjx3r- ale2PTgVw%3A1651755049219&ei=KchzYo3yDLfiz7sPkZiwqA8 ? http://cropinsurancesolutions.com/dryland-farming-relies-on- water-conservation/

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