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NICRA Village: Pata Meghpar, Jamnagar District, Gujarat

Rainfall Situation and Type of Contingency (Midseason and Terminal Droughts) : In 2011 in the village, there were  midseason dry spells during 33rd  and 34th  SMW (13th  to 26th  August) and terminal drought  during 37th  to 38th  SMW (10th  to 23rd  September). The village also received excess of 340 mm compared to normal (585 mm). the excess runoff was harvested in farm pond.                                                     

Contingency Plan Implemented: Due to dry spells at flowering stage in groundnut and at flowering/reproductive stage in cotton, the crops experienced moisture stress. A supplemental irrigation of 5 cm (through drip system) from the stored rainwater in the farm pond was given at critical stages of groundnut and cotton. 

Performance: The supplemental irrigation at critical stages to groundnut and cotton crops resulted in increased pod yield by 25.8 % and cotton yield by 21.9 % compared to no supplemental irrigation (Table, Fig).

Table Performance of groundnut and cotton with supplemental irrigation during midseason/terminal droughts

Crop (Variety)

Yield (kg/ha)

Increase in yield (%)

With

supplementary irrigation

Without

supplemental irrigation

Groundnut (GG-20)

1825

1450

25.8

Cotton (Bijdhan BG II)

3475

2850

21.9

1235

DSC00419

Groundnut with supplemental irrigation

Supplemental irrigation through drip system in cotton

Rainfall Situation and Type of Contingency (Midseason Drought): In 2012, during kharif,  in Pata Meghapar village, a rainfall of 180 mm  was received which was 67 % deficit than normal (543.6 mm). Further, long dry spells were experienced during for 49 days during 14th June to 2nd August and for 27 days during 5th August to 22nd September. This severely affected the performance of cotton crop.

Contingency Plan Implemented: Due to long dry spells during June to September, the cotton crop was affected severely resulting in very low plant population. As a real-time contingency, castor was sown as relay crop in the gaps of cotton crop (Table).

Performance: Sowing of castor as relay crop in the gaps of cotton, resulted in overall yield and economic benefit of Rs. 16188/ha as compared to sole cotton (Table).

Table. Castor as relay crop in cotton, Pata Meghapar village (as a gap filled relay crop)

Yield (kg/ha)

Net returns (Rs/ha)

Increase in net returns

(Rs/ha)

Sole cotton 

Relay cropping

Sole

cotton 

Relay cropping (cotton castor)

Base cotton

Relay 

castor

700

525

675

29750

45938

16188

 

 

DSC00076

DSC00001

Castor as relay crop in cotton

(as a gap filling)

Cotton as sole crop affected with                        midseason drought

 

Rainfall Situation and Type of Contingency (Early with drawal) : In 2012 in the village, there was no rain during rabi season i.e. (October and November) water stress.

 

 

 

 

 

 

 

                                   

 

    Normal and Actual (2012) monthly rainfall  at Pata Meghapar village

 

Contingency Plan Implemented: To overcome midseason drought, foliar spray with KNO3 at 2% and urea at 2% was done in chickpea (Gram G-3)  and compared with  water spray as check.

 

Performance:  The foliar sprays improved the performance of  chickpea (Fig and resulted in the  yield increase  by 30.3 % and 26.3 %, with  KNO3   @ 2%   and urea @ 2%,  respectively as compared to water spray (Table).

 

Table.  Effect of foliar spray on the yield and economics of Chickpea

Foliar Spray          

Seed Yield  kg/ha

% Increase in yield

Increase in net returns

BC ratio

KNO3   @ 2%

2278

30.2

15190

3.55

Urea @  2 %

2211

26.3

13180

3.42

Water Spray         

1750

-

-

2.65

 

 

 

 

 

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DSC00061

DSC00062

Water stress tolerance in post-rainy season chickpea with foliar spray of KNO3 and Urea

 

          
 

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