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Produksi Ubi
Cilembu
'I u r u n
hingga 70 Persen
Riset Tim Unpad Berupaya Dongkrak Mutu Setek
S U M E D A N G ,
K O M P A S -
P r o d u k s i u b i d i D e s a C i l e m b u ,
K e c a m a t a n
P a m u l i h a n ,
K a b u p a t e n
S u m e d a n g , b e r k u r a n g
h i n g g a 7 0 p e r s e n
a k i b a t c u a c a y a n g t i d a k m e n e n t u .
H u j a n
y a n g t e r u s m e n g g u y u r
m e m b u a t
u b i l e b i h c e p a t m e r n b u
-s u k -s e h i n g g a p r o d u k -s i a n j l o k .
H e n n a n s y a h ( 3 4 ) , w a r g a C i -l e m b u , S a b t u ( 9 / 1 0 ) d i S u m e d a n g , m e n g a t a k a n , c u a c a r n u l a i m e n g -g a n -g -g u p r o d u k s i s e j a k e m p a t b u -l a n -l a -l u . D e n g a n l a d a n g u b i s e l u a s s e k i t a r 1 h e k t a r , i a b i a s a m e m a n e n 8 - 1 0 t o n u b i s e t i a p e n a m b u l a n . " T e t a p i , c u a c a m u l a i a n e h s e j a k e m p a t b u l a n l a l u . P r o d u k s i t u r u n d r a s t i s m e n j a d i h a n y a 2 , 5 t o n , " k a -t a H e n n a n s y a h .
P e t a n i u b i d i C i l e m b u , T a r y a n a ( 3 5 ) y a n g p u n y a l a h a n 2 h e k t a r , m e n a m b a h k a n , p r o d u k s i u b i n y a t a h u n i n i d i p e r k i r a k a n s e k i t a r 2 0 t o n . J u m l a h i t u a n j l o k d i b a n d i n g -k a n t a h u n - t a h u n s e b e l u m n y a y a n g s e k i t a r
40
t o n . C u r a h h u j a n y a n g t i n g g i j u g a d i t u d i n g s e b a g a i p e n y e b a b t u r u n n y a p r o d u k s i . " S e -j a k M a r e t , h u j a n m a s i h s e r i n g t u -r u n . U b i y a n g s a y a t a n a m r n a c a m -m a c a -m , s e p e r t i j e p a n g , u n g u , m e -r a h , d a n t a i w a n , " u j a -r n y a .M e n u r u t T a r y a n a , s u d a h b a -n y a k p e t a -n i d i C i l e m b u y a n g b e r -a l i h m e n j a d i p e t e m a k s a p i . S e l a i n
l
k a r e n an a i k m e m i c uc u a c a , h a r g aw a r g a e n g g a ny a n g m e n -s u l i tj a d i p e t a n i u b i . H a r g a u b i s a a t i n i r a t a - r a t a s e k i t a r R p 2 . 0 0 0 p e r k i -l o g r a m .
S e k i t a r 1 0 t a h u n l a l u , t u t u r T a r -y a n a , j u m l a h p e t a n i d i C i l e m b u s e -k i t a r 2 . 0 0 0 o r a n g . K i n i j u m l a h i t u h a n y a s e k i t a r 7 0 0 o r a n g . D a l a m r e n t a n g w a k t u y a n g s a m a , p r o -d u k s i u b i j u g a t u r u n d a r i 1 , 5 t o n m e n j a d i h a n y a 2 0 0 k g p e r L O O O m e t e r p e r s e g i .
Bukan hanya cuaca
P e n e l i t i d a r i F a k u l t a s P e r t a n i -a n U n i v e r s i t a s P a d j a d j a r a n , A g u n g K a r u n i a w a n , m e n u t u r k a n , h u j a n y a n g b e r k e p a n j a n g a n m e m -b u a t b a n y a k l a h a n u b i g a g a l p a -n e -n . A k a -n t e t a p i , p e n u r u n a n p r o -d u k t i v i t a s u b i t i d a k h a n y a d i s e -b a -b k a n c u a c a .
F a k t o r l a i n y a n g j u g a b e r p e -n g a r u h a d a l a h k u a l i t a s s e t e k . " S e t e k y a n g d i g u n a k a n d a r i i n -d u k a n a s l i s e c a r a t u r u n - t e r n u r u n d a n i t u s u d a h b e r l a n g s u n g l e b i h d a r i 5 0 t a h u n . M u n g k i n d a r i z a
-m a n p e n j a j a h a n J e p a n g , " k a t a A g u n g ,
S i s t e m i t u t i d a k b a g u s u n t u k p r o d u k s i . R a t a - r a t a p r o d u k t i v i t a s p u n t u r u n d a r i 7 0 k g p e r h e k t a r s e -k a l i p a n e n m e n j a d i k u r a n g d a r i s e -p e r l i m a n y a s a a t i n i . A g u n g m e -n g a t a k a -n , p i h a k n y a s e d a n g b e r -u p a y a m e n i n g k a t k a n p r o d u k t i v i -t a s u b i d e n g a n p e r b a i k a n g e n e t i s . P e n e l i t i a n y a n g s u d a h b e r l a n g -s u n g -s e j a k 2 0 0 9 i t u d i h a r a p k a n s e -l e s a i p a d a t r i w u -l a n 1 -2 0 1 l .
S e t e l a h i t u , u b i b i s a d i p r o d u k s i m a s s a l b i l a m e m u n g k i n k a n . S e -j a u h i n i h a s i l p e n e l i t i a n i t u m e -n u -n j u k k a -n , u b i d a p a t d i p a n e n s e -t i a p e m p a t b u l a n . R e n t a n g w a k t u t e r s e b u t l e b i h s i n g k a t d a r i p a n e n u b i p a d a u m u m n y a s e t i a p
6-8
bu-l a n . " K u a bu-l i t a s r a s a u b i j u g a a k a n d i t e l i t i . K a m i a k a n t e s b e r b a g a i k a n d u n g a n n y a , s e p e r t i g u i a , a i r , d a n a b u , ' u j a r A g u n g ,
S e t i a p t a n a m a n b i a s a n y a m e n g h a s i l k a n m a k s i m a l 1 0 u b i d e n g a n b e r a t t o t a l k u r a n g d a r i 5 0 0 g r a m . T a n a m a n y a n g s e d a n g d i u j i c o b a b i s a m e n g h a s i l k a n h i n g g a 1 0 u b i s e b e r a t t o t a l 1 k g .
P a n e n y a n g d i h a s i l k a n u b i b i a s a s e k i t a r 1 0 t o n p e r h e k t a r p e r p a -n e -n . H a s i l i t u d i p r e d i k s i m e n i n g -k a t h i n g g a 2 0 - 3 0 t o n p e r h e k t a r d e n g a n u b i p e n e l i t i a n . R i s e t j u g a d i l a k u k a n t e r h a d a p k e b i a s a a n p e -t a n i y a n g m e n g g u n a k a n c a b a n g t e r d e k a t d e n g a n b a t a n g u t a m a t a
-n a m a -n u n t u k s e t e k .
(BAy)
