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Realtime Contingency

1.  Anantapur, Anantapur District, Andhra Pradesh

Rainfall situation and Type of Contingency (Delayed onset of monsoon/Early season drought): In 2011, 18 mm and 29.2 mm rainfall was received in June 2nd and 3rd, respectively, followed by long dry spell and a  rainfall of  11 mm  was received on 7th July  and after a long dry spell a rainfall of 17 mm and 22 mm was received on 26th and 27th July.  In 2012, after initial long dry spell in June, an amount of 20.4 mm and 9.4 mm rainfall received on 27th and 29th June followed by a long dry spell and  a rainfall of 19 mm, 49 mm and 27.4 mm was received on 16th , 17th and 22nd July, respectively. In 2013, a rainfall of 15.6 mm was received on 8th June and 38.4 mm was received on 8th July. Either   delayed onset of monsoon and or early season drought June- July during kharif in Anantapur district created a  short sowing window for groundnut crop due to limited soil moisture. This  necessitated covering sowing of groundnut crop in larger area in short time and with precision by utilizing limited sowing window available.

Contingency Implemented: The small and marginal farmers in the region with no or insufficient bullock   draught power. Even some farmers having tractors also use them for preparatory cultivation. AICRPDA centre, Anantapur, made available of tractor drawn 8 row Ananta groundnut planter in the custom hiring centre and was hired to 260 farmers from the nearby villages. This implement was used for timely sowing of groundnut under favourable soil moisture conditions in June and July in 2011, 2012 & 2013,

Performance of Contingency: The hiring and use of Ananta planter helped the farmers in timely and precision sowing of groundnut crop in an area of 2676 ha. The correct placement of the seed in the moist zone and maintenance of proper seed to seed distance resulted in  uniform germination, establishment and maintenance of optimum plant population and finally  higher groundnut pod yield up to 1000 kg/ha with a RWUE of 3.2 kg/ha/mm.  Another advantage with mechanization of sowing was overcoming the labour and draught power shortage but also in efficient use of available tractor in the village.


Tractor  Drawn 8 Row Ananta Groundnut Planter in operation for

Enabled timely sowing during limited sowing window

2.  NICRA Village: Girigetla, Kurnool district, Andhra Pradesh

Rainfall Situation and Type of Contingency (Midseason Drought): In 2011, the onset of  monsoon was normal and  the village received­­­­ 343 mm which was deficit by 277mm compared to normal (620 mm). The kharif  crops  experienced dry spells during 36, 37, 38 & 39 SMWs. The intense rainfall event of 51.2mm was experienced on 16th August 2011.

Normal and Actual (2011) monthlyrainfall at Girigetla village

Contingency Plan Implemented: Groundnut is the normal kharif crop in red soils in the village.  Farmers in the district normally sow pearlmillet in Jul to August in red soils. To develop climate resilient alternative cropping system,  pearlmillet + pigeonpea (5:1) intercropping system was introduced with early sowing of   pearlmillet in the second  week of June 2011 to avoid midseason/terminal drought and was  compared with the performance of normal sown pearlmillet  during second week of July. 

Performance:  The early sown pearlmillet performed better (Fig..) and gave a grain yield of 750 kg/ha and pigeonpea gave a yield of 625 kg/ha while the normal sown pearlmillet crop failed due to moisture stress at knee high stage.

Performance of early sown pearlmillet, as contingency

strategy, in pigeonpea + pearlmillet intercropping systems (5:1)

Contingency Implemented – Supplemental irrigation : In 2011, in Girigetla village due to dry spells during 36, 37, 38 & 39 SMWs in September, groundnut crop experienced moisture stress at pod filling and pod development stages.  A supplemental irrigation of 10 mm from the stored rainwater in the farm pond was given at these stages. The supplemental irrigation was also given to castor at seed development stage.

Performance: The supplemental irrigation to groundnut and castor increased pod yield by 46 % (683 kg/ ha) and castor bean yield by 20 % (410 kg/ha), respectively, with higher net returns and BC ratio compared to no supplemental irrigation (341.5 kg/ha in castor and 467 kg/ha in groundnut) (Table..; Fig...) .

Table.  Managing mid-season droughts with supplemental irrigation of pond water

Crop

Variety

Yield (kg/ha)

Increase in yield (%)

Net returns

(Rs/ha)

BC ratio

Supplementary irrigation

Without irrigation

Castor

GCH-4

410

341.5

20%

7570

1.7

Groundnut

TMV-2

683

467.0

46%

13811

1.9

 

 

 

100_1784

 

Performance of groundnut supplemental irrigation from farm pond

Performance of groundnut affected with midseason drought

DSC04352

Performance of castor  supplemental

irrigation from farm pond

Performance of  castor without

supplemental irrigation

 

 

 

Reddening of cotton leaves

Rainfall Situation and Type of Contingency (Midseason Drought): In  2012 in the NICRA village, a rainfall of 271 mm was received during cropping season which was  deficit by 159 mm compared to normal (430 mm) and  the deficit was about  34,  20 , 73 and 60  percent during June, August, November and December, respectively causing moisture stress in cotton.

Contingency Plan Implemented: Due to dry spells, cotton crop suffered with moisture stress at flowering and boll formation stages, there was reddening of leaves in cotton. As a real-time contingency, spraying of micronutrients viz. 19:19:19 @ 1%, ZnSO4, Mg SO4 @1% boron @ 1% was done at flowering and boll formation stages in   20 farmers’ fields covering 8 ha.

Performance: Spraying with micronutrients resulted in increase in lint yield up to 50% compared to no spraying (315 kg/ha).

 

 
                                
 

Announcements

XXV Biennial Workshop
will be held at AICRPDA centre,
Akola, PDKV during
17-21 January, 2017

                                                                                                                                                                                                                                                                                                                                                       

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