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ows. A s i m i l a r t r i a l was g i v e n f o u r levels
of N at sowing. G r a i n y i e l d of maize and
seed y i e l d o f pigeonpea were lower i n ( i i )
and ( i i i ) than i n ( i ) . Maize i n ( i )
produced t h e h i g h e s t g r a i n y i e l d / h a per
week. Maize/pigeonpea i n ( i i i ) gave t h e
h i g h e s t p r o t e i n y i e l d / h a per week and
absorbed t h e h i g h e s t amounts of K, Ca, and
Mg. Y i e l d s of seed and p r o t e i n / h a per week
and n u t r i e n t uptake were l o w e s t w i t h
pigeonpea i n ( i ) . The problem o f i n t e r ­
c r o p p i n g maize and pigeonpea under optimum
c o n d i t i o n s o f f e r t i l i z e r N a p p l i c a t i o n i s
d i s c u s s e d .
DALAL, R . C . , and P. QUILT. 1977.
E f f e c t of N, P, l i m i n g , and Mo on n u t r i t i o n
and g r a i n y i e l d o f pigeonpea. Agron. J .
6 9 ( 5 ) : 8 5 4 - 8 5 7 . 56
The main N t r e a t m e n t s ( 0 , 1 2 , 20 and 30 kg
N / h a ) , P CO, 50, 100 and 250 kg P / h a ) , and
l i m e ( 0 , 1,250, 2,500 and 5,000 kg CaCO 3 /
ha) were arranged in b l o c k s in a m o d i f i e d
c e n t r a l composite d e s i g n . The subtreatment
Mo was a p p l i e d at two r a t e s (0 and 0.25
k g / h a ) . N i t r o g e n f i x a t i o n as measured by
a c e t y l e n e r e d u c t i o n assay, nodule w e i g h t ,
d r y m a t t e r and g r a i n y i e l d , and n u t r i e n t
uptake by pigeonpea were o b s e r v e d .
A l t h o u g h f e r t i l i z e r N s i g n i f i c a n t l y
reduced t h e N f i x a t i o n , t h e t o t a l K and N
u p t a k e , g r a i n y i e l d , and Fe and Cu concent
r a t i o n s i n the p l a n t were n o t a f f e c t e d .
A p p l i e d Mo had no e f f e c t on any of t h e
p l a n t parameters c o n s i d e r e d , p o s s i b l y
because i t was present i n s u f f i c i e n t
amounts i n s o i l . L i m i n g s i g n i f i c a n t l y
i n c r e a s e d t o t a l Ca, Mg, and P uptake by
pigeonpea b u t s i g n i f i c a n t l y decreased Mn
c o n c e n t r a t i o n i n t h e p l a n t b y r a i s i n g s o i l
pH. F e r t i l i z e r P s i g n i f i c a n t l y i n c r e a s e d
d r y - m a t t e r y i e l d ( a t 7 weeks of crop growth)
and t o t a l P uptake b u t s i g n i f i c a n t l y
decreased Z n c o n c e n t r a t i o n i n t h e p l a n t .
The tendency f o r i n c r e a s i n g g r a i n y i e l d
w i t h h i g h e r r a t e s of l i m i n g and of P
suggested t h a t optimum r a t e s of P and
l i m i n g s h o u l d b e f u r t h e r s t u d i e d .
DE, R. 1974.
Development of agronomic p r a c t i c e under
u n f a v o u r a b l e r a i n f e d c o n d i t i o n s . P r o c .
F i r s t FAO/SIDA seminar on improvement and
p r o d u c t i o n o f f i e l d food crops f o r p l a n t
s c i e n t i s t s from A f r i c a and the Near E a s t .
C a i r o , E g y p t . 495-504. 57
D u r i n g t h e r a i n y seasons o f 1970-1973, r e d
gram (Cajanua c a j a n ) c v . Pusa A g e t i gave
t h e most s t a b l e y i e l d (1,900 kg) and cowpea
and g r a i n sorghum were l e a s t s t a b l e . The
d i f f e r e n t aspects o f f e r t i l i z e r a p p l i c a t i o n
i r r e s p e c t i v e o f r a i n f a l l , the p o s s i b i l i t i e s
of d r i l l i n g aqueous N and P f e r t i l i z e r s , of
a p p l y i n g f i l m - f o r m i n g and r e f l e c t a n t a n t i -
t r a n s p i r a n t s , and o f d o u b l e - c r o p p i n g w i t h o u t
i r r i g a t i o n are d i s c u s s e d .
DERIEUX, M. 1970.
R e s u l t s o f p r e l i m i n a r y t r i a l s o n two l e g u ­
mes used f o r f o o d : Cajanus cajan and Vigna
sinensis. P r o c . 7 t h Ann. meet. C . F . C . S .
M a r t i n i q u e - Guadeloupe. 1969.
164-172. 58
Pigeonpea t r i a l s i n d i c a t e d t h a t y i e l d s o f
f r e s h seeds around 2,750 k g / h a are a t t a i n ­
a b l e w i t h a d a y l e n g t h - i n s e n 8 l t i v e and a
s h o r t - d a y v a r i e t y sown i n J u n e ; l a t e r
sowing g r e a t l y reduced the y i e l d . A p l a n t
d e n s i t y o f 32,000/ha r e s u l t e d i n somewhat
h i g h e r y i e l d s than lower d e n s i t i e s .
DERIEUX, M . , C. SUARD, and C. VINCENT.
1 9 7 1 .
Some data on t h e behaviour of pigeonpea in
Guadeloupe (French West I n d i e s ) . A n n l s .
Amel. P I . 2 1 : 3 7 3 - 4 0 7 . 59
Compared g e r m i n a t i o n i n n i n e v a r i e t i e s and
growth and development i n f i v e c o l l e c t e d
from T r i n i d a d , t h e West I n d i e s , P a k i s t a n ,
and Guadeloupe. V a r i a b i l i t y i n morpholog
i c a l and some p h y s i o l o g i c a l c h a r a c t e r s ,
such a s p h o t o p e r i o d i s m , i s d e s c r i b e d i n
s t u d i e s o f a l a r g e c o l l e c t i o n i n c l u d i n g
t a l l and dwarf v a r i e t i e s from 200 sources
i n t h e West I n d i e s , A f r i c a , and P a k i s t a n .
T r i a l s f o r f e r t i l i z e r response and s o i l
a d a p t a t i o n a r e r e p o r t e d , u s i n g t h e T r i n i d a d
cv G-154/32 as s t a n d a r d . The p o s s i b i l i t y
o f b r e e d i n g and s e l e c t i o n i n Guadeloupe i s
b r i e f l y d i s c u s s e d .
DHILLON, MANMOHAN SINGH. 1972.
E f f e c t o f p l a n t i n g dates o n t h e performance
of pigeonpea (Cajanus aajan ( L . ) M i l l s p . )
T-21 sown under d i f f e r e n t row spacings in
a r h a r - w h e a t r o t a t i o n s . M.Sc. (1972) T h e s i s .
Punjab A g r i c u l t u r a l U n i v e r s i t y , L u d h i a n a ,
P u n j a b , I n d i a . 60
DORASAMI, L . S . 1940.
The c u l t i v a t i o n o f p u l s e s i n Mysore S t a t e .
J . Mysore A g r i c . E x p l . U n i o n . 1 9 ( 1 - 4 ) :
6 3 - 6 8 . 61
The most i m p o r t a n t p u l s e s grown in t h e
s t a t e a r e Dolichos biflorus, pigeonpea
(Cajanus indicue), Dolichos lablab, Cicer
arietinum, Phaseolus mungo, and Phaseolus
aureus. C. indicue occupies 120,000 acres
(48,600 h e c t a r e s ) and is grown as a pure
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