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Agronomy
The r o t a t i o n is groundnut - a r h a r -
sugarcane. The f i r s t two are sown t o g e t h e r
" w i t h t h e break o f t h e monsoon" the Cajanus
2 1 / 2 to 3 f t . (76 to 92 cm) a p a r t in l i n e s
9 f t . ( 2 . 7 m ) a p a r t , w i t h groundnut between
i n l i n e s 1 8 i n . (45 cm) a p a r t . A f t e r t h e
groundnut has been h a r v e s t e d in November,
i t s p l a c e i s taken b y sugarcane p l a n t e d
i n F e b r u a r y . The Cajanus i s h a r v e s t e d i n
March, by w h i c h t i m e t h e sugarcane has
begun to grow. Some advantages c l a i m e d
f o r t h i s r o t a t i o n a r e : t h e two leguminous
c r o p s , one d e e p - r o o t e d and t h e o t h e r
s h a l l o w - r o o t e d , f e r t i l i z e t h e s o i l f o r the
sugarcane and t h e farmer h a r v e s t s two cash
and food c r o p s , w i t h o u t i r r i g a t i o n o r
manure, and a good sugarcane crop over a
p e r i o d of 2 y e a r s .
SMARTT, J. 1976.
T r o p i c a l P u l s e s . T r o p i c a l A g r i c u l t u r e
S e r i e s . London: Longman. 200
I n c l u d e s c h a p t e r s : O r i g i n and h i s t o r y o f
p u l s e c r o p s . Botany of Pulse Crops. Pulses
i n human n u t r i t i o n . P h y s i o l o g y o f g r o w t h ,
development and r e p r o d u c t i o n . M i n e r a l n u t r i ­
t i o n and p r o d u c t i v i t y , c u l t u r a l p r a c t i c e s
and crop h a n d l i n g . Pests and pest c o n t r o l .
Breeding and improvement of p u l s e s . The
economic importance o f p u l s e c r o p s .
SOHAN SINGH. 1976.
Arhar s h e l t e r s young l i t c h i p l a n t s . P r o g .
Fmg 1 2 ( 6 ) : 1 6 . 201
A r h a r , b e s i d e s p r o t e c t i n g l i t c h i p l a n t s
a g a i n s t h o t w i n d s , f r o s t , and c a t t l e ,
minimizes weeding a n d , b e i n g a legume c r o p ,
e n r i c h e s t h e s o i l a s w e l l .
The advantages of green manuring f o r
sugarcane s o i l s are enumerated. Cajanus
cajan is one of t h e green manures most
i n d i c a t e d f o r Sao Paulo c o n d i t i o n s .
SUGAWE, G.T.R. 1974.
Response of pigeonpea (Cajanus cajan) to
v a r i o u s l e v e l s of phosphorus and s p a c i n g .
M.Sc. (1974) T h e s i s . J a w a h a r l a l Nehru
K r i s h i Vishwa V i d y a l a y a , J a b a l p u r ,
I n d i a . 205
SUAREZ, J . J . , and D. HERREARA. 1 9 7 1 .
Response of pigeonpea (Cajanus cajan
M i l l s p . ) a t d i f f e r e n t p o p u l a t i o n s submitt
e d t o d i f f e r e n t h e i g h t s o f c u t t i n g .
Revta. Cubana C i e n c i o A g r i c . 5 ( 1 ) :
71-75. 206
Pigeonpeas were sown at 9 0 , 105, and 120
cm between rows and 4 5 , 6 0 , and 90 cm
between p l a n t s and c u t a f t e r the f i r s t
h a r v e s t at 30 or 60 cm. Seed y i e l d s were
h i g h e r and times of f l o w e r i n g and m a t u r i t y
3.5 months l e s s f o r the f i r s t than f o r
the r a t o o n c r o p . Spacing d i d n o t a f f e c t
y i e l d . C u t t i n g at 30 cm reduced p l a n t
number and y i e l d i n the r a t o o n c r o p .
SURINDER SINGH, and R.C. SINGH. 1976.
Economics of mixed c r o p p i n g in pigeonpea
( a r h a r ) under Haryana c o n d i t i o n s . HAU J.
Res. 6 ( 3 - 4 ) : 1 7 1 - 1 7 5 . 207
The y i e l d of m i d - m a t u r i n g a r h a r was n o t
reduced when it was sown w i t h s h o r t - d u r a ­
t i o n and dwarf i n t e r c r o p s , whereas t h e
y i e l d o f e a r l y m a t u r i n g a r h a r v a r i e t i e s
was a d v e r s e l y a f f e c t e d . Arhar + mung gave
t h e h i g h e s t r e t u r n s .
S0L0C0TZI, E.H. 1947.
The beans and others of t h e leguminosae
c u l t i v a t e d i n Chiapas. B o l . Soc. B o t .
Mexico. 5 : 4 - 6 . 202
Phaseolus is t h e legume most commonly grown
i n t h e Mexican State o f Chiapas. I t i s
r e p r e s e n t e d by many s p e c i e s . Cajanus
i n d i c u s i s a l s o found i n t h e t r o p i c a l
p a r t s of t h e S t a t e . Vigna and Crotalaria
a r e a l s o f o u n d .
SOLOMON, S . , and G.P. ARGIKAR. 1956.
P e r e n n i a l t u r . Farmer 7 ( 1 2 ) : 1 3 - 1 5 . 203
TH0MPST0NE, E. 1920.
C u l t i v a t i o n of " P e s i n g o n " Cajanus indicus,
Burma c u l t i v a t o r s L e a f l e t - 5 5 . Rangoon:
Govt. P r i n t i n g P r e s s . 208
TIWARI, A . S . , L . N . YADAV, L. SINGH, and
C.N. MAHADIK. 1977.
Spreading p l a n t type does b e t t e r i n p i g e o n ­
pea. T r o p . G r a i n Legume B u l l . 7 : 7 - 1 0 . 209
In mixed c r o p p i n g , a s p r e a d i n g t y p e of
pigeonpea does b e t t e r and appears more
a d a p t a b l e t o d i f f e r e n t p l a n t s p a c i n g s ,
showing a h i g h e r y i e l d .
SOUSA, J . A . , and C.A. GENTIL. 1959.
Green manuring o f sugarcane f i e l d s . B r a s i l
A c u c a r e i r o 5 4 ( 5 ) : 1 2 - 1 5 . 204
TRIVEDI, K.A. 1963.
E f f e c t of ( i ) spacing and ( i i ) NPK on t h e
y i e l d and q u a l i t y o f pigeonpea. M.Sc.(1963)
T h e s i s . B.A. A g r i c . C o l l . Mag. 1 6 : 8 8 . 210
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