Abstract
A field experiment was conducted during <italic>Kharif</italic> season 2009 to study the response of hybrid pigeonpea to planting geometry and fertility levels. The results revealed that the hybrid pigeonpea ICPH-2671 recorded significantly higher grain yield (2.40 tha<sup>−1</sup>) as compared to cv. Maruti (1.68 t ha<sup>−1</sup>) and the magnitude of increase was 41.7 % higher. The yield parameters like grain weight plant<sup>−1</sup>, number of pods plant<sup>−1</sup> and growth parameters like number of primary and secondary branches plant<sup>−1</sup>, LAI and dry matter production and its distribution were higher with hybrid pigeonpea ICPH-2671 compared to variety Maruti. Significant differences were observed among the plant geometry and fertility levels and their interactions with respect to growth and yield parameters. The plant geometry of 90 cm x 45 cm recorded significantly higher grain yield (2.57 t ha<sup>−1</sup>) as compared to closer geometry of 60 cm x 30 cm (2.19 t ha<sup>−1</sup>). The fertility level of 50: 100 N, P kg ha<sup>−1</sup> resulted in significantly higher grain yield (2.57 t ha<sup>−1</sup>) as compared to lower fertility level of 25:50 N, P Kg ha<sup>−1</sup> (2.23 t ha<sup>−1</sup>).
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