NANI KOBIN
Agriculture
May 2025
This study evaluates the effect of sowing time and planting geometry on the growth and yield of rapeseed (Brassica campestris L.) under the agro-climatic conditions of Arunachal Pradesh, India. Conducted during the 2022–23 rabi season at the Agriculture cum Research Field of Himalayan University, the experiment was laid out in a randomized block design with ten treatment combinations and three replications. The treatments comprised three sowing times—first, second, and third weeks of November—and three planting geometries (35×10 cm, 40×15 cm, and 45×10 cm), with a control for comparison. Results revealed that the earliest sowing date (first week of November) coupled with the closest spacing (35×10 cm) significantly improved plant height, the number of leaves, branches, and overall yield. Treatment T1 (S1G1) produced the highest seed yield (792.67 kg/ha) and biological yield (3.06 t/ha), demonstrating the critical role of timely sowing and optimized planting geometry in enhancing rapeseed productivity.
390- 399
© Airo Journals 2021
