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Estimation of energetics and energy-use efficiency of rice–green gram sequence in the coastal zone of Andhra Pradesh, India


Affiliations
1 Department of Agronomy, Agricultural College, Bapatla 522 101, India, India
2 Polytechnic, Acharya N.G. Ranga Agricultural University, Lam, Guntur 522 034, India, India
3 AICRP on Sailine Water Scheme, Agricultural College Farm, Bapatla 522 101, India, India
4 Department of Crop Physiology, Agricultural College, Bapatla 522 101, India, India
 

A field experiment was conducted at the Agricultural College, Bapatla, AP, India during kharif and rabi seasons from 2019 to 2021 using different establishment and nutrient treatments. The objectives of this study were to evaluate the energetics between the treatments in the rice–green gram. The results indicated that the input and output energy were the highest in the conventio­nal and the lowest in the minimum tillage. Highest total energy productivity and energy use efficiency were recorded with the reduced tillage. In case of nutrient management, the highest input, output energy and energy productivity and energy use efficiency were recorded with inorganic fertilizer + cured poultry manure treatments. It can be concluded that the reduced tillage with the application of inorganic fertilizer + cured poultry manure is the best in the constraints-prone coastal zone with limited irrigation facilities due to low require­ment of non-rene­wable energy

Keywords

Coastal zone, crop establishment methods, energy use efficiency, energy productivity, rice and green gram.
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  • Estimation of energetics and energy-use efficiency of rice–green gram sequence in the coastal zone of Andhra Pradesh, India

Abstract Views: 266  |  PDF Views: 122

Authors

Polagani Nagarjuna
Department of Agronomy, Agricultural College, Bapatla 522 101, India, India
B. Venkateswarlu
Department of Agronomy, Agricultural College, Bapatla 522 101, India, India
M. Sreerekha
Polytechnic, Acharya N.G. Ranga Agricultural University, Lam, Guntur 522 034, India, India
P. Venkata Subbaiah
AICRP on Sailine Water Scheme, Agricultural College Farm, Bapatla 522 101, India, India
K. Jayalalitha
Department of Crop Physiology, Agricultural College, Bapatla 522 101, India, India

Abstract


A field experiment was conducted at the Agricultural College, Bapatla, AP, India during kharif and rabi seasons from 2019 to 2021 using different establishment and nutrient treatments. The objectives of this study were to evaluate the energetics between the treatments in the rice–green gram. The results indicated that the input and output energy were the highest in the conventio­nal and the lowest in the minimum tillage. Highest total energy productivity and energy use efficiency were recorded with the reduced tillage. In case of nutrient management, the highest input, output energy and energy productivity and energy use efficiency were recorded with inorganic fertilizer + cured poultry manure treatments. It can be concluded that the reduced tillage with the application of inorganic fertilizer + cured poultry manure is the best in the constraints-prone coastal zone with limited irrigation facilities due to low require­ment of non-rene­wable energy

Keywords


Coastal zone, crop establishment methods, energy use efficiency, energy productivity, rice and green gram.

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DOI: https://doi.org/10.18520/cs%2Fv124%2Fi8%2F946-955