Krishi Vigyan Kendra, Nalbari

KVK Nalbari

Conducted OFTs of 2018-19

Sl. No.

Title of OFT

Problem Diagnosed

Name of Technology Assessed

No. of Trials

Results of Assessment/ Refined (Data on the parameter should be provided)

B.C. Ratio

1

Evaluation of submergence tolerant high yielding paddy varieties Ranjit sub-1 and Bahadur sub-1

Low yield of existing submergence tolerant rice varieties & reluctance of farmers to replace Ranjit by submergence tolerant varieties

Performance of submergence tolerant high yielding paddy varieties Ranjit sub-1 and Bahadur sub-1against paddy var. Swarna sub-1 as local check

03

52.0 q/ha
50.0 q/ha
45.0 q/ha

1.91

1.84
1.65

2

Micronutrient management in rice (var. Ranjit) in rice - pulse crop sequence.

Some parts of the district are deficit in Zinc which leads to lower yield.

Technology: i)T1:Application of ZnSO4@25kg/ha.
ii) T2:Farmers’ practice (without application of ZnSO4)

03

T1:52 q/ha
T2:45 q/ha
Soil analysis data:
Treatment:
pH=5.6
OC(%)=0.68
N (kg/ha)=322
P(kg/ha)=21.3
K(kg/ha)=132
Farmers’ practice: pH=5.6
OC(%)=0.65
N (kg/ha)=297
P(kg/ha)=19.8
K(kg/ha)=128

1.75
1.63

3

INM in lentil (var. Maitree) along with bio fertilizer component in rice-pulse crop sequence.

Non adoption of INM and imbalance use of fertilizers

Technology: T1;Application of 10:20:15 N:P2O5:K2O kg/ha along with vermicompost 1t/ha and seed inoculation with Rhizobium and PSB @50g/kg seed
T2: Farmers’ practice

03

T1:7.3 q/ha
T2:5.5 q/ha
Soil analysis data:
Treatment:
pH=6.1
OC(%)=0.71
N (kg/ha)=339.4
P(kg/ha)=21.5
K(kg/ha)=130
Farmers’ practice: pH6.0
OC(%)=0.65
N (kg/ha)=312
P(kg/ha)=20.6
K(kg/ha)=112

1.8
1.65

4

Response of rice (var. Ranjit) to Zn solubilizing bacteria for Zn nutrition

Non adoption of Zn solubilizing bio-  fertilizer

T1:RD of NPK @ 40:20:20 kg /ha + Consortia of Zn solubilizing bacteria
T2: RD of NPK @ 40:20:20 kg /ha +  ZnSO4 @ 25 kg/ha

03

Yield:
T1:54.3 q/ha
T2: 55 q/ha

1.79
1.67

5

Exploitation of K solubilizing bacteria in reduction of  potassic fertilizers in Sali rice (var. Ranjit)

Non adoption  of K solubilizing bio-  fertilizer

T1:RD of NPK @ 40:20:10 kg /ha + Consortia of KSB
T2: RD of NPK @ 40:20:20 kg /ha

03

Yield:
T1:54.2q/ha
T2: 54.7 q/ha

1.78
1.72

6

Organic nutrients for  rice (var Local Joha)

Soil health deterioration  due to continuous use of chemical fertilizers

T1: Enriched compost@5t/ha + bio-fertilizers consortia
T2: Farmers’ practice

03

Yield:
T1:29.2 q/ha
T2: 25 q/ha

1.94
1.7

7

Performance of Tomato  var  Arka Rakshak in Tomato-summer vegetable sequence

High disease incidence like wilt, leaf curl and early blight of existing varieties leading to low yield. 

T1= Arka Rakshak
T2= Farmer’s  practice
Commercial  hybrid

02

T1: 70.5 t /ha
T2: 65.4 t/ha

3.06
2.52

8

Performance of Cumin  var  GC-4 in Cumin-summer vegetable sequence

Low yield of local variety.

T1= Cumin var. GC-4
T2= Local Variety.

02

Yield
T1:2.5 q/ha
T2: 2.25 q/ha

1.3
1.2

9

Induce breeding of Kawoi (Anabas testudenous) using synthetic hormone.

Unavailability of Seed production technology of kawoi

Seed production technology

03

5,000 fry per brood fish obtained through induce breeding.

3.1

10

Effect of Tulsi(Ocimumtenuiflorum) treatment on sensory quality of dry fish

Off odor and flavor of dry fish

T1: Dip treatment of dry fish of 55% moisture content in 5% Tulsi Solution and again drying up to final moisture content of 10%
T2 :Control (without treatment )

3

T1: Color - 7.66, Odor - 7.50 Taste- 7.33, Shape- 7.16 Texture - 7.00
T2 : Color – 5.33, Odor -5.50 Taste- 6, Shape- 5.66
 Texture –  5.16

 

Net return (Rs./unit) & B:C

T1:
Rs-20,000/-
B.C- 2.4

T2 :Rs-5,300/-
B.C- 1.3

 

OFT Other Enterprise (Community Science)

Title of OFT

Technology assessed

No. of
 trials

Performance indicators

Results of Assessment/ Refined (Data on the parameter should be provided)

% change in the parameter

Quality assessment of Value added products from Oyster mushroom Processing  of value added products like mushroom biscuits and mushroom pickle from dried and fresh mushroom respectively 2
Acceptability level based on hedonic 5 point scale

Biscuits

Pickle

4.5
(highly acceptable)

4.2
(very acceptable)

 
      Storage life

75 days in air tight container in cool and dry place.

180 days in glass bottle

 
     

Profitability:

Initial cost

Final cost (selling cost)

Profit

 

Rs. 120/kg

Rs. 200/kg

 

 Rs 80/kg

 

Rs.250/kg

Rs.350/kg

 

Rs. 100/kg

 
      Scope for marketing   Both the products are getting good market in local market
Performance evaluation of ring cutter for harvesting horticultural crops Ring cutter for harvesting of horticultural crops like bhindi, brinjal etc. was assessed for drudgery reduction and work efficiency of farmwomen 2

Output (kg/hr)

*brinjal

*bhindi

Ring cutter

45 kg

 

13 kg

Hand plucking

20 kg

 

7 kg

 
      Work efficiency   55.5 % and 46 % work efficiency