Diversified and Long-term Cropping Systems Alters the System Sustainability and Energy Use Efficiency in Soils of Indo-Gangetic Plains

Authors

  • Laxmi Bhandari Department of Agronomy, Institute of Agricultural Sciences, Banaras Hindu University, UP, India https://orcid.org/0000-0002-1410-8333
  • Ram Swaroop Meena Department of Agronomy, Institute of Agricultural Sciences, Banaras Hindu University, UP, India
  • Birendra Prajapati National Dairy Research Institute, Karnal, Haryana, India
  • Lal Prasad Amgain Faculty of Agriculture, Far-western University, Tikapur, Kailali, Nepal

DOI:

https://doi.org/10.3126/ajn.v6i1.47917

Keywords:

Agro-ecological regions, energy use efficiency, intensive cropping systems, sustainability

Abstract

The cereal-based intensive cropping practices have posed the yield at a plateau and reduced the energy use efficiency (EUE) of the cropping systems in the Indo-genetic plains (IGPs). The long-term cropping systems experimentations with 4 diversified legumes and cereal cropping systems and a grassland fallow system were studied for >10 years representing different agro-ecological regions at the agricultural research farm, IAS, BHU-Varanasi, Uttar Pradesh of IGPs to assess their impacts on system productivity and energy use efficiency. Out of 4 cropping systems viz, Pigeon pea-Pigeon pea (PP-PP) and Rice-Maize (R-M) systems were managed as conventional cultivation running under the breeding project, however; Dryland Rice-Lentil (R-L) and Zero-till Rice-Wheat (R-W) systems were running under agronomy project. The grassland fallow system was maintained in the agronomy block. The maximum system productivity was seen in the zero till rice-wheat (8185 kg ha-1) system and the lowestpigeon peanpea- pigeonpea system (1615 kg ha-1). However, the maximum EUE was found in pigeonpea system (13.23 MJ ha-1) and the lowest in the zero till rice-wheat system (8.88 MJ ha-1). The study suggests that the inclusion of legumes in the cropping system is vital in enhancing the system productivity and energy use efficiency than the long-term cereal-based system in long-run to the alluvial soils of IGPs.

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Published

2022-07-08

How to Cite

Bhandari, L., Meena, R. S., Prajapati, B., & Amgain, L. P. (2022). Diversified and Long-term Cropping Systems Alters the System Sustainability and Energy Use Efficiency in Soils of Indo-Gangetic Plains. Agronomy Journal of Nepal, 6(1), 1–9. https://doi.org/10.3126/ajn.v6i1.47917

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