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Efficient tillage and nitrogen practices for improving monetary returns and yield of finger millet and pigeonpea in semi-arid Alfisols

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Title Efficient tillage and nitrogen practices for improving monetary returns and yield of finger millet and pigeonpea in semi-arid Alfisols
Not Available
 
Creator B.K. Ramachandrappa
G.R. Maruthi Sankar
A. Satish ,
M.N. Thimmegowda
G.N. Dhanapal ,
N. Indra Kumar
M.A. Shankar ,
C.H. Srinivasa Rao
P.K. Mishra
 
Subject Organic and inorganic nitrogen, Net returns, Rainwater use efficiency, Soil fertility, Sustainable yield index, Tillage
 
Description Not Available
Field experiments were conducted with three tillage treatments viz., CT: Conventional
tillage (3 ploughings + 3 intercultures), RT: Reduced tillage (2 ploughings + 2
intercultures) and MT: Minimum tillage (one ploughing + one interculture) in
combination with three nitrogen levels viz., F1: 100% N (organic), F2: 50% N
(organic) + 50% N (inorganic) and F3: 100% N (inorganic) to identify the best
management practices for improving soil fertility and sustain yield of finger millet
(Eleusine coracana) and pigeonpea (Cajanus cajan) under semi-arid Alfisols during
2003 to 2011. The results revealed that CTF2 gave significantly higher mean finger
-millet yield of 2613 kg ha-1 and rainwater use efficiency (RWUE) of 4.48 kg ha mm , -1
while CTF1 gave significantly higher pigeonpea yield of 907 kg ha-1 and RWUE of 4.10
kg ha mm over years. Further, CTF2 gave maximum net returns of ` 31639 ha-1 and
benefit-cost (B:C) ratio of 3.65 with sustainability yield index (SYI) of 59.0% from
finger millet, while CTF1 gave net returns of ` 43801 ha -1 and B:C ratio of 3.26 with
SYI of 56.6% from pigeonpea. Based on the effects of tillage and nitrogen on soil
parameters observed in 2003 and 2011, there was a decrease in the pH, soil P and
organic carbon, while there was an increase in the electrical conductivity, soil N and
K. Application of N through organics or as combination of organics and inorganics,
maintained maximum soil fertility compared to inorganic N alone. We conclude that
CT + 50% N (organic) + 50% N (inorganic) for finger millet and CT + 100% N
(organic) for pigeonpea under rotation are efficient for attaining maximum yield,
RWUE, monetary returns and SYI in semi-arid Alfisols.
Not Available
 
Date 2020-06-11T10:35:57Z
2020-06-11T10:35:57Z
2017-07-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/37027
 
Language English
 
Relation Not Available;
 
Publisher Not Available