Dholera Soil Reclamation

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• Dholera Soil Reclamation

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• Dholera Soil Reclamation

• Dholera Soil Reclamation
• Erstwhile flourishing Port of Dholera, Gujarat,
  India
• Barren Uncultivable Land
• High Soil Salinity
• Lack of Drainage

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• Dholera Soil Reclamation

Land Survey
Soil Sampling
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• Dholera Soil Reclamation

Soil Sampling
Sample TBC Azoto PSB Halophile pH OC NaCl
Soil sample gt 107 NO NO NO 7.7 0.9 8.0
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• Dholera Soil Reclamation

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• Dholera Soil Reclamation

5m
D
E
A
B
C
5m
5m
5m
5m
5m
5m
1 Acid Wash
Water Wash
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• Dholera Soil Reclamation

Raised Bed Formation
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• Dholera Soil Reclamation

Water Wash Plot A, B C
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• Dholera Soil Reclamation

1 Acid Wash Plot D E
1 Acid Wash Plot D E
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• Dholera Soil Reclamation

Control Plot
Soil Washing Impound 20kl water 1st24 hrs
Impound 20kl water 2nd24hrs Impound 20kl water
3rd24hrs

• Ploughing 6 soil
• Allow 24 to 48 hrs sun drying

Crop Sown Sesbania sp (green manure crop)
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• Dholera Soil Reclamation

Gypsum Plot
Soil Washing Impound 20kl water 1st24 hrs
Impound 20kl water 2nd24hrs Impound 20kl water
3rd24hrs

• Ploughing 6 soil
• Allow 24 to 48 hrs sun drying

Crop Sown Sesbania sp (green manure crop)
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• Dholera Soil Reclamation

Celrich Plot
Soil Washing Impound 20kl water 1st24 hrs
Impound 20kl water 2nd24hrs Impound 20kl water
3rd24hrs
Ploughing 6 soil Allow 24 to 48 hrs sun drying
Crop Sown Sesbania sp (green manure crop)
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• Dholera Soil Reclamation

1 Acid Treatment Spraying 100 ltr on
surface Soil Washing Impound 20kl water 1st24
hrs Impound 20kl water 2nd24hrs Impound 20kl
water 3rd24hrs
CelrichPlot
Ploughing 6 soil Allow 24 to 48 hrs sun
drying
Crop Sown Sesbania sp (green manure crop)
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• Dholera Soil Reclamation

1 Acid Treatment Spraying 100 ltr on
surface Soil Washing Impound 20kl water 1st24
hrs Impound 20kl water 2nd24hrs Impound 20kl
water 3rd24hrs
Celrich Gypsum Plot
Ploughing 6 soil Allow 24 to 48 hrs sun
drying
Crop Sown Sesbania sp (green manure crop)
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• Dholera Soil Reclamation

Plot A Water Wash - Control Plot
Sample TBC Azoto PSB Halophile pH OC NaCl
Soil sample gt 107 NO NO NO 7.7 0.9 8.0
Control plot 1.0 X 107 2.0 X 104 NO NO 8.4 1.77 0.22
18days of sowing 1.3 X 109 5.0 X 105 NO NO 8.4 0.32 0.21
After 2months gt109 1.0 X 104 NO NO
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• Dholera Soil Reclamation

Plot B Water Wash - Gypsum
Sample TBC Azoto PSB Halophile pH OC NaCl
Soil sample gt 107 NO NO NO 7.7 0.9 8.0
150kg gypsum 1.5 X 109 3.0 X 104 3.0 X 104 NO 7.9 0.43 0.43
18days of sowing 1.0 X 109 3.0 X 104 1.0 X 104 NO 7.8 0.33 0.15
After 2months 1.0 X 109 4.0 X 105 NO NO
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• Dholera Soil Reclamation

Plot C Water Wash - Celrich
Sample TBC Azoto PSB Halophile pH OC NaCl
Soil sample gt 107 NO NO NO 7.7 0.9 8.0
150kg Celrich C 4.5 X 109 3.5 X 104 1.0 X 104 NO 8.1 1.0 0.32
18days of sowing 2.0 X 1010 1.0 X 105 1.0 X 104 NO 8.6 0.65 0.11
After 2months gt109 3.0 X 104 1.0 X 104 NO
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• Dholera Soil Reclamation

Plot D - 1 Acid Wash Celrich
Sample TBC Azoto PSB Halophile pH OC NaCl
Soil sample gt 107 NO NO NO 7.7 0.9 8.0
150kg Celrich gt109 4.0 X 104 1.0 X 104 NO 8.0 1.77 0.34
18days of sowing 1.5 X 109 2.0 X 104 1.5 X 104 NO 7.7 1.0 0.76
After 2months 1.4 X 109 1.0 X 105 1.0 X 104 NO
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• Dholera Soil Reclamation

Plot E - 1 Acid Wash Celrich Gypsum
Sample TBC Azoto PSB Halophile pH OC NaCl
Soil sample gt 107 NO NO NO 7.7 0.9 8.0
100kg Cel50kg Gyp 1.8 X 109 3.0 X 104 7.0 X 104 NO 7.6 0.9 0.33
18days of sowing 7.0 X 109 6.0 X 104 5.0 X 104 NO 7.8 0.59 0.11
After 2months 1.3 X 109 8 X 104 1.0 X 104 NO
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• Dholera Soil Reclamation

Sample TBC Azoto PSB Halophile pH OC NaCl
Soil sample gt 107 102 NO NO 7.7 0.9 8.0
Celrich sample 5.4 X 109 4.0 X 105 3.0 X 104 NO 7.5 8.7 0
Gypsum sample NO NO NO 4.4 0 0
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System 1 Big Beds Channels (BBC)

• Dholera Soil Reclamation

Ideal for areas close to sea, up to about 10 km
from the sea and water table is in less than 2 m
from the ground
1 m
Cropping area
Cropping area
Slope lt 0.8 towards a sub or main drain
10 m 10 m 10 m
50 area can come under cultivation with in 2 to
3 years increase to 75 over years
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System 2 Broad Bed Furrow (BBF)

• Dholera Soil Reclamation

Ideal for areas beyond 10 km from the sea and
water table is more than 2 m from the ground
Cropping area
Cropping area
1.5 m
Cropping area
Cropping area
Slope lt 0.8 towards a sub or main drain
Almost 100 area can come under cultivation
within 2 to 3 years
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Thank You
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Project Economics System 1BBCArea
50 haProject year
1st 2nd 3rd TotalLand Preparation
37.50 37.50 5000sqm_at_Rs.25x.6mRs.75000x50he
Soil Amendment 5.25 3.50 1.75 10.506T
_at_Rs.3500 per ton x 50heGreen Manure
0.40 0.40 0.40
1.2040kg_at_Rs20x50hex3yrCrop Production
nil 1.25 1.25 2.50Rs. 2500 x
50heCapacity Building 2.82 1.88 1.88
6.5870day x Rs.5000Rs.3.5Rs.1.68Total Cost
45.97 7.03 5.28
58.28Administrative Exp 4.60 0.70 0.53
5.83Project Cost 50.57
7.73 5.81 64.11Main
Sub-drainage cost not included in above estimation

• Dholera Soil Reclamation

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Project Economics System
2BBFArea 50
haProject year 1st 2nd 3rd
Total Rs. in Lacs Rs. in Lacs
Rs. in Lacs
Rs. in Lacs Land Preparation
16.25 16.25 10000sqm_at_Rs.2.5Rs.25000x50he
Soil Amendment 10.50
7.00 3.50 21.0012T_at_Rs.3500 per ton x
50heGreen Manure 0.75 0.75
0.75 2.2575kg_at_Rs20x50he x3 yrCrop
Production nil 2.38 2.38
4.76Rs. 4750 x 50heCapacity Building
2.82 1.88 1.88 6.5870day x
Rs.5000Rs.3.5Rs.1.68Total Cost
30.32 12.00 8.51 50.83Administrative
Exp 3.03 1.20 0.85
5.08Project Cost 33.35
13.21 9.36 55.91Main
Sub-drainage not included in above estimation

• Dholera Soil Reclamation

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• Dholera Soil Reclamation

• Project Benefits Saline Soil Reclamation
  Project
• Unit System 1 BBC
  System 2 BBF
• Project Cost Rs. in Lacs 64.11 55.91
• Crop Cultivation Rs. In Lacs/ 10 yrs
  9.63 18.29
• Interest Rs. in Lacs / 10 yrs 8.18
  17.50
• Total Cost 81.91 91.70
• Employment Opportunity 37.50 3.75
• Balance Cost Rs. in Lacs / 10 yrs 44.41
  87.95
• Revenue Generation Rs. in Lacs /10 yrs
  126.60 253.20
• Net Revenue Rs. in Lacs / 10 yrs
  82.19 165.25
• Annualized ROI
  18.50 18.78
• Revolving Fund Rs. in Lacs / 10 yrs
  49.26 87.97
• Income Distribution Rs. in Lacs /10 yrs
  32.93 77.29

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