Abstract
The study aimed to investigate the impact of plant populations and fertility levels on growth and yield attributes of chickpea cultivars. For this, a field experiment was conducted with two cultivars (PBG 7 and GPF 2), two levels of plant populations (3.33 and 2.22 lakh plants/ha) and two fertility levels (20:40:20 and 30:60:30 kg NPK/ha) at south-eastern Punjab (Patiala) during the winter season of 2018-2019 following factorial randomized block design. Chickpea cultivar PBG 7 recorded significantly highest growth parameters (plant height, dry weight, branches/plant) and yield attributes (pods/plant, grains/pod, 1000-seed weight and grain yield/plant) and yield as compared to the cultivar GPF 2. The lower plant population (2.22 lakh plants/ha) resulted significant increase in plant height (3.13%), dry weight (22.56%), branches/ plant (25.44%), pods/plant (7.60%), grains/pod (15.62%) over the plant population of 3.33 lakh plants/ha, but considerably higher grain yield (1471 kg/ha) was recorded with 3.33 lakh plants/ha. Higher fertility level (30:60:30 kg NPK/ha) significantly increased growth, yield attributing parameters, grain yield (1476 kg/ha) and net return (INR. 45,036/ha) as compared to low fertility level (20:40:20 kg NPK/ha). Therefore, for obtaining higher yield of chickpea, PBG 7 can be sown at 3.33 lakh plants/ha with 30:60:30 kg NPK/ha under south-eastern Punjab.
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