1 Dholera Soil Reclamation Dholera Soil Reclamation
2 Erstwhile flourishing Port of Dholera, Gujarat, India Erstwhile flourishing Port of Dholera, Gujarat, India Q Barren Uncultivable Land Q High Soil Salinity Lack of Drainage Dholera Soil Reclamation Dholera Soil Reclamation
3 Soil Sampling Land Survey Dholera Soil Reclamation Dholera Soil Reclamation
4 Soil Sampling Dholera Soil Reclamation Dholera Soil ReclamationSampleTBCAzotoPSBHalophilepHOC% NaCl % Soil sample > 10 7 NONONO
5 Dholera Soil Reclamation Dholera Soil Reclamation
6 ABC DE 5m5m5m 5m 5m5m 5m 1% Acid Wash Water Wash
7 Raised Bed Formation Dholera Soil Reclamation Dholera Soil Reclamation
8 Water Wash Plot A, B & C Dholera Soil Reclamation Dholera Soil Reclamation
9 1% Acid Wash Plot D & E 1% Acid Wash Plot D & E Dholera Soil Reclamation Dholera Soil Reclamation
10 Control Plot Dholera Soil Reclamation Dholera Soil Reclamation Ploughing 6” soil Allow 24 to 48 hrs sun drying Soil Washing Impound 20kl water 1st~24 hrs Impound 20kl water 2nd~24hrs Impound 20kl water 3rd~24hrs Crop Sown Sesbania sp (green manure crop)
11 Dholera Soil Reclamation Dholera Soil Reclamation Ploughing 6” soil Allow 24 to 48 hrs sun drying Soil Washing Impound 20kl water 1st~24 hrs Impound 20kl water 2nd~24hrs Impound 20kl water 3rd~24hrs Crop Sown Sesbania sp (green manure crop) Gypsum Plot
12 Dholera Soil Reclamation Dholera Soil Reclamation Soil Washing Impound 20kl water 1st~24 hrs Impound 20kl water 2nd~24hrs Impound 20kl water 3rd~24hrs Crop Sown Sesbania sp (green manure crop) Ploughing 6” soil Allow 24 to 48 hrs sun drying Celrich+ Plot
13 Dholera Soil Reclamation Dholera Soil Reclamation 1% Acid Treatment Spraying 100 ltr on surface Soil Washing Impound 20kl water 1st~24 hrs Impound 20kl water 2nd~24hrs Impound 20kl water 3rd~24hrs Crop Sown Sesbania sp (green manure crop) Ploughing 6” soil Allow 24 to 48 hrs sun drying Celrich+Plot
14 Dholera Soil Reclamation Dholera Soil Reclamation 1% Acid Treatment Spraying 100 ltr on surface Soil Washing Impound 20kl water 1st~24 hrs Impound 20kl water 2nd~24hrs Impound 20kl water 3rd~24hrs Crop Sown Sesbania sp (green manure crop) Ploughing 6” soil Allow 24 to 48 hrs sun drying Celrich + Gypsum Plot
15 Dholera Soil Reclamation Dholera Soil Reclamation Plot A – Water Wash - Control Plot SampleTBCAzotoPSBHalophilepHOC%NaCl% Soil sample> 10 7 NO Control plot1.0 X X 10 4 NO days of sowing1.3 X X 10 5 NO After 2months > X 10 4 NO
16 Plot B – Water Wash - Gypsum Dholera Soil Reclamation Dholera Soil Reclamation SampleTBCAzotoPSBHalophilepHOC%NaCl% Soil sample> 10 7 NO kg gypsum1.5 X X 10 4 NO days of sowing1.0 X X X 10 4 NO After 2months1.0 X X 10 5 NO
17 Plot C – Water Wash - Celrich+ Dholera Soil Reclamation Dholera Soil Reclamation SampleTBCAzotoPSBHalophilepHOC%NaCl% Soil sample> 10 7 NO kg Celrich [C]4.5 X X X 10 4 NO days of sowing2.0 X X X 10 4 NO After 2months> X X 10 4 NO
18 Plot D - 1% Acid Wash – Celrich+ Dholera Soil Reclamation Dholera Soil Reclamation SampleTBCAzotoPSBHalophilepHOC%NaCl% Soil sample> 10 7 NO kg Celrich> X X 10 4 NO days of sowing1.5 X X X 10 4 NO After 2months1.4 X X X 10 4 NO
19 Dholera Soil Reclamation Dholera Soil Reclamation Plot E - 1% Acid Wash – Celrich + Gypsum SampleTBCAzotoPSBHalophilepHOC%NaCl% Soil sample> 10 7 NO kg Cel+50kg Gyp1.8 X X X 10 4 NO days of sowing7.0 X X X 10 4 NO After 2months1.3 X X X 10 4 NO
20 Dholera Soil Reclamation Dholera Soil Reclamation SampleTBCAzotoPSBHalophilepHOC%NaCl% Soil sample> NO Celrich sample5.4 X X X 10 4 NO Gypsum sampleNO 4.400
21 System 1: Big Beds & Channels (BBC) Cropping area Cropping area Slope < 0.8% towards a sub or main drain 10 m 10 m 10 m 1 m 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 50% area can come under cultivation with in 2 to 3 years & increase to 75% over years Dholera Soil Reclamation Dholera Soil Reclamation
22 System 2: Broad Bed & Furrow (BBF) Slope < 0.8% towards a sub or main drain Cropping area Ideal for areas beyond 10 km from the sea and water table is more than 2 m from the ground Almost 100% area can come under cultivation within 2 to 3 years 1.5 m Dholera Soil Reclamation Dholera Soil Reclamation
23 Thank You
24 Project Cost Project Economics ~ System 1:BBC Area : 50 ha Project year : 1st2nd3rd Total Land Preparation: Soil Amendment: per ton x 50he Green Manure: Crop Production nil Rs x 50he Capacity Building day x Rs.5000=Rs.3.5+Rs.1.68 Total Cost Administrative Exp Project Cost Main & Sub-drainage cost not included in above estimation Dholera Soil Reclamation Dholera Soil Reclamation
25 Project Cost Project Economics ~ System 2:BBF Area : 50 ha Project year: 1st2nd3rd Total Rs. in Lacs Rs. in Lacs Rs. in Lacs Rs. in Lacs Land Preparation: Soil Amendment: per ton x 50he Green Manure: x3 yr Crop Production nil Rs x 50he Capacity Building day x Rs.5000=Rs.3.5+Rs.1.68 Total Cost Administrative Exp Project Cost Main & Sub-drainage not included in above estimation Dholera Soil Reclamation Dholera Soil Reclamation
26 Project Benefits ~ Saline Soil Reclamation Project Unit System 1: BBC ~ System 2: BBF Project Cost Rs. in Lacs Crop Cultivation Rs. InLacs/ 10 yrs Interest Rs. in Lacs / 10 yrs Total Cost Employment Opportunity Balance Cost Rs. in Lacs / 10 yrs Revenue Generation Rs. in Lacs /10 yrs Net Revenue Rs. in Lacs / 10 yrs Annualized ROI 18.50% 18.78% Revolving Fund Rs. in Lacs / 10 yrs Income Distribution Rs. in Lacs /10 yrs Dholera Soil Reclamation Dholera Soil Reclamation
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