Effect of enriched FYM and rice residue compost on growth, productivity and economics of pigeonpea (Cajanus cajan)

KAMAL  GARG; SHIVA  DHAR; V K  SHARMA; RAJENDRA PRASAD  MEENA; SHANTI DEVI  BAMBORIYA

doi:10.56093/ijas.v93i12.142221

Authors

KAMAL GARG ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
SHIVA DHAR ICAR-Indian Agricultural Research Institute, New Delhi
V K SHARMA ICAR-Indian Agricultural Research Institute, New Delhi
RAJENDRA PRASAD MEENA ICAR- Vivekananda Parvatiya Krishi Anusandhan Sansthan, Almora Uttarakhand
SHANTI DEVI BAMBORIYA ICAR-Indian Institute of Maize Research, Ludhiana, Punjab

https://doi.org/10.56093/ijas.v93i12.142221

Keywords:

Farmyard manure, Paddy husk ash, Pigeonpea, Potato peel compost, Rice residue compost, Seed yield

Abstract

A field experiment was conducted during rainy (kharif) seasons of 2020 and 2021 at the research farm of ICAR- Indian Agricultural Research Institute, New Delhi to evaluate the performance of pigeonpea [Cajanus cajan (L.) Millsp] as affected by enriched organic formulations. The experiment comprised of seven nutrient sources, viz. control; 100% RDN through FYM; 100% RDN through improved RRC (Rice Residue Compost); 100% RDN through PHA (Paddy Husk Ash) enriched FYM; 75% RDN through PHA enriched FYM; 100% RDN through PPC (Potato Peel Compost) enriched FYM; and 75% RDN through PPC enriched FYM that were tested in randomized block design and replicated thrice. Significantly higher number of pods per plant was observed with the application of 100% RDN through PHA enriched FYM over control during both the years of study. The same treatment resulted into statistically higher yields of seed (1.89; 1.97 t/ha) and stover (7.83; 8.03 t/ha) over control and remained at par with 100% RDN through PPC enriched FYM and FYM during both the years. Results further indicated that highest gross returns, net returns and net B:C ratio (₹121.2 × 10³ and 131.9 × 10³/ha; ₹94.9 × 10³ and 104.6 × 10³/ha; 3.60 and 3.84) were obtained with 100% RDN through PHA enriched FYM over control and remain at par with treatment 100% RDN through PPC enriched FYM and FYM. Significantly maximum amount of available N in soil after harvest of pigeonpea crop was obtained under application of 100% RDN through PPC enriched FYM (229.1 and 231.9 kg/ha) over control. Further, application of 100% RDN through RRC showed superiority in increasing the available K (264.9 and 265.0 kg/ha) content in soil over control and other nutrient sources during both the years.

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