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Enhancing productivity and resource use efficiency of pigeon pea (Cajanus cajan L.) through crop intensification and organic mulch-based management


Citation :- Enhancing productivity and resource use efficiency of pigeon pea (Cajanus cajan L.) through crop intensification and organic mulch-based management. Res. Crop. 27: 242-247
NACHIKETA, SANDEEP MENON, AJEET JAKHAD, SAMPRIKTA PRIYADARSHINI, ABHIJEET SHYAMSINGH CHOUHAN, ANNU JAIN, KHUSHBOO AND MANZOOR A KHANDAY nachiketayadav30@gmail.com
Address : School of Agriculture, Department of Agronomy, Lovely Professional University, Phagwara-144411, Punjab, India
Submitted Date : 22-04-2026
Accepted Date : 15-05-2026

Abstract

Pigeon pea is a vital legume for sustainable agriculture owing to its ability to fix atmospheric nitrogen and tolerate abiotic stresses; however, productivity under conventional practices remains well below achievable potential. To further evaluate, a field experiment was conducted during the Kharif seasons of 2024 and 2025 at the Department of Agronomy, Lovely Professional University, Punjab, India to evaluate the effect of System of Pigeon Pea Intensification (SPPI) and organic mulching on growth, nodulation, and yield. A split-plot design with three replications was used, with three spacing levels (40×20 cm, 60×20 cm and 80×20 cm) as main plots and four mulching treatments (no mulch, wheat straw mulch, sugarcane trash mulch and cowpea live mulch) as sub-plots, using variety AL-882. Pooled analysis across both seasons revealed that 60×20 cm spacing significantly improved growth attributes, including leaf number, chlorophyll content (SPAD), root development, and canopy characteristics, while reducing plant mortality. Among mulching treatments, live mulch enhanced vegetative growth and nodulation, whereas wheat straw mulch recorded the highest grain yield (pooled: 2592 kg/ha), representing a 45.12% improvement over no mulch. The 60×20 cm spacing produced the highest pooled grain yield (2403 kg/ha), which was 18.79% higher than the 40×20 cm treatment. Optimal spacing combined with wheat straw or live mulch is recommended for improving pigeon pea productivity and resource use efficiency under Punjab conditions.

Keywords

Grain yield live mulch nodulation organic mulching pigeon pea sustainable agriculture wheat straw mulch

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