five years study on the selection of rice based cropping systems
Goa, for west coast region of India
Manjunath1, V. Paramesh2*, G.R. Mahajan2,
K.V. Reddy2, B. Das2 and N.P. Singh3
1NRM Section, ICAR-Indian
Institute of Horticultural Research, Bengaluru-560 089, India
2NRM Section, ICAR-
Central Coastal Agricultural Research Institute, Goa-403 402, India
3NRM Section, ICAR-
National Institute of Abiotic Stress Management, Baramati-413 115, India
Author E-mail: firstname.lastname@example.org
Paper received : 18.02.2017
Revised received : 03.06.2017
Re-revised received :
04.08.2017 Accepted : 26.09.2017
Aim: Field experiments
were conducted for five years during 2010-11 to 2014-15 to select productive
and profitable rice based cropping systems for West coast region of India at
ICAR-Central Coastal Agricultural Research Institute, Goa.
systems viz. rice-cowpea, rice-groundnut, rice-brinjal and rice-sweet corn
were tested for their production potential, economic feasibility, nutrient balance
and energy budgeting along with rice-fallow as control.
data indicated significantly higher rice equivalent yield (23.5 t ha-1)
with rice-sweet corn followed by rice-brinjal (14.1 t ha-1) as
compared to a predominant rice-fallow system of the region (5.50 t ha-1).
Higher potential usable residue was also found higher with rice- sweet corn
system (36.9 t ha-1). Results of the energy ratio (46.5), specific
energy (0.65 MJ kg-1) and energy productivity (1.52 kg MJ-1)
indicate that the rice-sweet corn is most energy efficient system among all
the evaluated systems. Although, rice-brinjal system depicted higher onfarm
employment potential (217 man days ha-1 year-1) with an
increase of 317 % over monocropping, while the economic analysis indicted
higher net return (`. 95350) and
benefit cost ratio (2.57) in rice-sweet corn system. The nutrient balance
were positive for N and P, while in all the cropping systems the K balance
was found negative.
rice-sweet corn system was found to be the most productive, economical and
energy efficient cropping system for the West coast region of India under
protective irrigated conditions.
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