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Krishi Vigyan Kendra (KVK), Thiruvarur District  

On Farm Trial 2010-2011

Title of the OFT

Technological options

1. Integrated weed management for direct sown wet seeded rice

i. Hand weeding (FP)

ii. Pretilachlor + Safener (Sofit) @   0.45  
    kg/ha on 3-4  
    DAS and one hand weeding on 40
    DAS(TNAU)

iii. Pre emergence Pretilachlor @ 0.45   
     kg/ha  on 3DAS
    Azimsulfuron 50 DF 35 g/ha on 20  
    DAS + hand weeding on 45 DAS  
    (TNAU)

2.  Assessing different weeders in SRI

 

i.   Hand weeding (FP)

ii.  Cono weeder (TNAU)

iii. TNAU Power weeder (TNAU)

iv. Modified power weeder 1row (KVK,
     Madurai)

3. Management of False Smut disease in Samba paddy

i.  No  prophylatic spray of fungicides  
   (FP)

ii. Spraying Copper hydroxide (Cocide)  
    @200 ml/acre) (TNAU)

iii. Spraying Propiconozole @ 200  
    ml/acre (ICAR)

iv. Spraying Super Pseudomonas
    @2.5 Kg/ha (TNAU)

 

v. Spraying Carbendzim + Mancozeb   
    @ 1Kg/ha (CRRI/ TNAU)

4. Polyculture in inland fisheries in Delta region using stunted finger lings

i.  Stunted Fingerlings of Fresh water    
    fish Carp varieties (composite fish  
    culture) @ 2500/ac (TANUVAS)

ii. Stunted Fingerlings of Carp   
    varieties with fresh  water  
    Prawn(Macrobrackium spp) (Poly  
    fish culture) @ 2500+2500/ac  
    (TANUVAS)

5.  Area Specific  Mineral Mixture for Dairy cows

i.  Farmers  practice (No/irregular  
   mineral supplementation)

ii.  Mineral Mixture
    30-50 g/day continuously for one   
    year from the day  after calving   
    (TANUVAS)

iii. Area specific Mineral Mixture
    30-50 g/day continuously for one  
    year from the day after calving  
    (TANUVAS)

6.  Production of Hybrid rice CORH 3 in farmers participatory approach

i. No practice of seed production

ii. Production of seeds of ADT 43

iii. Production of seeds of CORH 3
 
Special Technologies