Agriculture Reference
In-Depth Information
TABLE 16.13
Selected C Management Options for Different Rainfed Productions in Seven
Permanent Manurial Trials in the Studied Locations
Duration/No.
of Years of
Permanent
Manurial Trial
Production Systems/
Location
Treatment Details
Groundnut
(Anantapur)
1985-2004
(20 years)
T
1
= control (no fertilizer), T
2
= 100% RDF (20:40:40 N,
P
2
O
5
, K
2
O), T
3
= 50% RDF + 4 Mg groundnut shells
(GNS) per hectare, T
4
= 50% RDF + 4 Mg FYM ha
-1
,
T
5
= 100% organic (5 Mg FYM ha
-1
)
Finger millet
(Bangalore; finger
millet-finger millet)
1978-2004
(27 years)
T
1
= control, T
2
= 10 Mg FYM ha
-1
,
T
3
= 10 Mg FYM
ha
-1
+ 50% NPK, T
4
= 10 Mg FYM ha
-1
+ 100% NPK,
T
5
= recommended NPK (50:50:25 kg NPK ha
-1
, finger
millet)
Finger millet
(Bangalore; finger
millet-groundnut)
1991-2004
(13 years)
T
1
= control, T
2
= 10 Mg FYM ha
-1
,
T
3
= 10 Mg FYM
ha
-1
+ 50% NPK, T
4
= 10 Mg FYM ha
-1
+ 100% NPK,
T
5
= recommended NPK (25:50:25 kg NPK ha
-1
,
groundnut; 50:50:25 kg NPK ha
-1
, finger millet)
Rabi
sorghum
(Solapur)
1985-2006
(22 years)
T
1
= control, T
2
= 25 kg N ha
-1
(urea), T
3
= 50 kg N ha
-1
(urea), T
4
= 25 kg N ha
-1
through sorghum residue (CR),
T
5
= 25 kg N ha
-1
through FYM, T
6
= 25 kg N ha
-1
(CR)
+25 kg N ha
-1
(urea), T
7
= 25 kg N ha
-1
(FYM) + 25 kg
N ha
-1
(urea), T
8
= 25 kg N ha
-1
(CR) + 25 kg N ha
-1
(
Leucaena
clippings),
T
9
= 25 kg N ha
-1
(
Leucaena
),
T
10
= 25 kg N ha
-1
(
Leucaena
) +25 kg N ha
-1
(urea)
Pearl millet (SK
Nagar)
1988-2006
(18 years)
T
1
= control, T
2
= 100% recommended dose of N through
mineral fertilizer (RDN (F)), T
3
= 50% RDN (F),
T
4
= 50% recommended N (FYM), T
5
= 50%
recommended N (fertilizer) + 50% recommended N
(FYM), T
6
= farmers' method (5 Mg of FYM ha
-1
once
in 3 years)
Soybean (Indore)
1992-2007
(15 years)
T
1
= control, T
2
= 20 kg N + 13 kg P, T
3
= 30 kg N + 20 kg,
T
4
= 40 kg N + 26 kg, T
5
= 60 kg N + 35 kg P, T
6
= 6 Mg
FYM ha
-1
+ N
20
P
13
, T
7
= 5 Mg soybean residue per
hectare
+ N
20
P
13
, T
8
= 6 Mg FYM ha
-1
, T
9
= 5 Mg
soybean residue per hectare
Rice (Varanasi)
1986-2007
(21 years)
T
1
= control, T
2
= 100% RDF (inorganic), T
3
= 50% RDF
(inorganic), T
4
= 100% organic (FYM), T
5
= 50%
organic (FYM), T
6
= 50% RDF + 50% (foliar), T
7
=
50% organic (FYM) + 50% RDF, T
8
= farmers' practice
Source:
Srinivasarao, Ch. et al., Carbon sequestration strategies under rainfed production systems of
India, Central Research Institute for Dryland Agriculture, Hyderabad (ICAR), India, 2009.
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