Objective of this activity is to assess the technologies based on local problems to best fit the socio-economic condition of the farmers and to identify the production constraints. During 2024-25, 11 nos. of On Farm Trials have been conducted on different crops involving 101 farmers in different villages of Ranchi District. Details of the OFTs conducted during the year are as given below:
| Sl. | Technological Interventions | Yield (Q/ha) | Yield Increase (%) | B:C Ratio |
| 1. | Assessment of efficacy of Nitrogen use efficiency in Rice (Number of trials – 10) | 38.70 | 6.17 | 2.20 |
| 2. | Assessment of climate resilient varieties in rice suitable for medium land of Ranchi district (Number of trials – 10) | 54.00 | 14.07 | 1.47 |
| 3. | Assessment of different insecticidal molecules to control brown plant hopper in rice (Number of trials – 8) | 39.30 | 22.39 | 2.45 |
| 4. | Assessment of Karanj oil to control external parasites in Goats (Number of trials – 10) | 100% Efficacy after 15 days | Rs. 56.50/goat for treatment | — |
| 5. | Assessment of different microbial sources in Mustard (Number of trials – 10) | 13.9 | 16.5 | 2.31 |
| 6. | Evaluation of onion varieties for Kharif Season (Number of Trials – 8) | 167 | 27.48 | 3.59 |
| 7. | Regulation of bearing potential in litchi (Litchi chinensis) through girdling of primary branches (Number of Trials – 8) | 31.99 | 40.1 | 4.03 |
| 8. | Assessment of Mulching in Mango (Number of trials – 5) | 18.65 kg/tree | 31.5 | 3.48 |
| 9. | Formulation of Jackfruit Candy (No. of Trials – 10) | Overall acceptability: 9 | — | — |
| 11. | Development of Complimentary food mix to reduce malnutrition among children (assessment) (Number of trials – 10) | Overall acceptability: 8 | — |