| Issue Date | Title | Author(s) |
| 2016 | Allelopathic effect of trees grown in homesteads of Kerala on ginger (Zingber officinale Roscoe) | Jacob John; Eldhhose Abraham |
| 2015 | Allelopathic effect of trees grown in homesteads of Kerala on turmeric (Curcuma longa Linn.) | Jacob John; Sruthi Lakshmi, P G |
| 2017 | Crop productivity and weed dynamics in rice based farming systems | Jacob John; Madankumar, M |
| 1999 | Crop-tree inventory of the home gardens of Southern Kerala | Jacob John; Achuthan Nair, M |
| 1993 | Effect of time of sowing and weed management on the performance of dry sown rainfed rice | Thomas Alexander, V; Jacob John |
| 1998 | Indole acetic acid oxidase activity in brinjal as influenced by fertiliser treatments | Jacob John; Rosamma Abraham |
| 2014 | Media and nutrient management for organic amaranth (Amaranthus tricolor L.) in terrace gardens | Jacob John; Ramesh Kumar, C |
| 2019 | Productivity enhancement of rice based cropping system with fodder crops | Jacob John; Bindya, B N |
| 2019 | Productivity enhancement of rice based cropping system with pulses | Jacob John; Adarsh, S |
| 1996 | Relative efficiency of different weed management practices in dry sown rainfed rice | Jacob John; Thomas Alexander, V |
| 1999 | Socio-economic characteristics of homestead farming in South Kerala | Jacob John; Achuthan Nair, M |
| 1997 | Sturcture analysis and system dynamics of agroforestry home gardens of southern Kerala | Jacob John; Achuthan Nair, M |
