Pengaruh Beberapa Komposisi Media Ringan untuk Taman Atap (Roof Garoen) dan Pupuk Dekastar terhadap Pertumbuhan Tanaman Eagetes erecta dan Iresine herbotil

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, * *

PENGARUH BEBERAPA

PQOMPBSISI

MEDIA RING AN IDHTUMTAMAN ATRP

(ROOF G A R D E N )

DAN PUPUK DEKASTAR TERH ADAP

PEWTBIMBLBHAN

S U R U S A N BUD1 D A Y d P E R T A N I A N F A K L S L T A S P E R T A N I A N L N S T I T U T P E R T A N I A N BOGOR

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RINGKASAN

H A R I SUKRIYADI. P e n g a r u h B e b e r a p a K o m p o s i s i M e d i a R i n g a n

u n t u k Taman A t a p ( R o o f G a r d e n ) d a n P e m b e r i a n P u p u k D e k a s -

t a r t e r h a d a p P e r t u m b u h a n Tanaman T a g ' e t e s e r e c t a d a n I r e -

s i n e h e r b s t i i . ( D i b a w a h b i m b i n g a n ARIS M U N A N D A R d a n Z A I N

RACHMAN)

.

P e n g u r a n g a n b o b o t m e d i a t u m b u h t a n a m a n s e c a r a l a n g -

s u n g a k a n m e n g u r a n g i b e b a n s t a t i s r o o f g a r d e n d a n menye-

d e r h a n a k a n k o n s t r u k s i n y a . M a s a l a h n y a b a n y a k m e d i a - m e d i a

r i n g a n s a n g a t r e n d a h d a y a p e g a n g h a r a n y a . S e m e n t a r a i t u

d i p a s a r a n b e r e d a r p u p u k p e l e p a s h a r a t e r k e n d a l i y a n g mung-

k i n b i s a m e n g k o m p e n s a s i k e l e m a h a n m e d i a r i n g a n d a l a m meme-

g a n g h a r a .

P e r c o b a a n b e r t u j u a n m e n g e t a h u i p e n g a r u h b e b e r a p a kom-

p o s i s i m e d i a r i n g a n n o n t a n a h u n t u k r o o f g a r d e n d a n pembe-

r i a n p u p u k p e l e p a s h a r a t e r k e n d a l i D e k a s t a r t e r h a d a p p e r -

t u m b u h a n t a n a m a n T a g e t e s e r e c t a d a n I r e s i n e h e r b s t i i

.

P e r c o b a a n d i l a k u k a n s e j a k b u l a n A p r i l h i n g g a b u l a n J u l i

1 9 9 0 , d i b a g i a n a t a p k o r i d o r p e n g h u b u n g a n t a r a r u a n g r e k -

r e a s i d a n Aula. A s r a m a I P B E k a l o k a s a r i , T a j u r , E o g o r .

P e r c o b a a n m e n g g u n a k a n r a n c a n g a n p e t a k t e r p i s a h d e n g a n

p e r l a k u a n p u p u k s e b a g a i p e t a k u t a m a d a n p e r l a k u a n j e n i s

m e d i a s e b a g a i a n a k p e t a k . P e r l a k u a n j e n i s p u p u k t e r d i r i

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+

s e k a m ) ;

M g

( s a b u t

+

a r a n g s e k a m ) ; M4 ( s a b u t

+

s e k a m

+

a r a n g s e k a m ) .

H a s i l p e r c o b a a n m e n u n j u k k a n b a h w a p u p u k p e l e p a s h a r a

t e r k e n d a l i D e k a s t a r d a p a t m e m b e r i k a n p e n i n g k a t a n y a n g n y a -

t a d i b a n d i n g k a n d e n g a n p u p u k t u n g g a l p a d a t i n g g i , j u m l a h

d a u n d a n j u m l a h c a b a n g t a n a m a n T. e r e c t a b e r t u r u t - t u r u t

s e b e s a r 2 6 . 0 1 % , 4 6 . 7 6 % d a n 2 8 . 7 2 % . P a d a t a n a m a n I. herbs-

t i i

p e n i n g k a t a n y a n g n y a t a d a r i p e n g g u n a a n D e k a s t a r d i -

b a n d i n g k a n d e n g a n p u p u k t u n g g a l h a n y a t e r d a p a t p a d a p e u b a h

j u m l a h d a u n d a n j u m l a h c a b a n g , y a i t u s e b e s a r 7 4 . 2 7 % d a n

7 2 . 8 2 % .

S e c a r a umum t a n a h m a s i h t e t a p m e r u p a k a n m e d i a t u m b u h

y a n g l e b i h ba.ili u n t u k p e r t u m b u h a n t a n a m a n T . e r e c t a d a n

I . h e r b s t i i d i b a n d i n g k a n m e d i a - m e d i a n o n t a n a h ( s a b u t i

s e k a m , s a b u t

+

a r a n g s e k a m , s a b u t

+

s e k a m t a r a n g s e k a m ) .

Namun d e m i k i a n t a n a m a n T. e r e c t a d a n I . h e r b s t i i p a d a

me-

d i a - m e d i a n o n t a n a h s a b u t

+

a r a n g s e k a m d a n

s a b u t

+

s e k a m

+

a r a n g s e k a m t u m b u h c u k u p b a i k d e n g a n pemu-

p u k a n d e n g a n D e k a s t a r . P a d a t a n a m a n T. e r e c t a , m e d i a -

m e d i a n o n t a n a h d e n g a n p u p u k D e k a s t a r m e n g h a s i l k a n t a n a m a n

y a n g l e b i h t i n g g i d e n g a n j u m l a h d a u n , j u m l a h c a b a n g , jum-

l a h b u n g a m e k a r y a n g l e b i h b a n y a k d a n b o b o t b a s a h y a n g l e -

b i h b e r a t d i b a n d i n g k a n d e n g a n t a n a m a n y a n g d i p u p u k d e n g a n

p u p u k t u n g g a l . Hal y a n g sama j u g a t e r j a d i p a d a t a n a m a n

I . h e r b s t i i , d i m a n a m e d i a - m e d i a n o n t a n a h d e n g a n p u p u k

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j u m l a h d a u n , j u m l a h c a b a n g y a n g l e b i h b a n y a k d a n b o b o t b a -

s a h y a n g l e b i h b e r a t . K e l e m a h a n m e d i a - m e d i a n o n t a n a h i n i

d a l a m h a 1 d a y a p e g a n g t e r h a d a p h a r a d a p a t d i k o m p e n s a s i

a t a u d i p e r b a i k i d e n g a n p e m b e r i a n p u p u k p e l e p a s h a r a t e r -

k e n d a l i . Namun p e m b e r i a n p u p u k p e l e p a s h a r a t e r k e n d a l i

i n i p a d a m e d i a t a n a h m e n g h a s i l k a n r e s p o n p e r t u m b u h a n t a -

naman y a n g t i d a k b e r b e d a .

S e c a r a v i s u a l t a n a m a n T. esecta d a n

I.

herbstii y a n g

t u m b u h p a d a b e r b a g a i j e n i s m e d i a n o n t a n a h m e m b e r i k a n k e -

s a n y a n g c u k u p b a i k d a n t i d a k m e n u n j u k k a n p e r b e d a a n y a n g

j a u h d e n g a n t a n a m a n y a n g t u m b u h p a d a m e d i a t a n a h . P a d a

t a n a r n a n T. erecta mampu m e n g a h a s i l k a n j u m l a h b u n g a y a n g

c u k u p b a n y a k , s e h i n g g a d a p a t p u l a m e m b e r i k a n k e s a n masal

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PENGARUH BEBERAPA KOMPOSISI MEDIA RINGAN UNTUK TAMAN ATAP

(ROOF

GARDEN) DAN PUPUK DEKASTAR TERHADAP PERTUMBUHAN

TAN AMAN

Tagetes erecta

DAN

Iresine herbstii

O l e h

H A R I S U K R I Y A D I

A

23.1352

L a p o r a n K a r y a I l m i a h

s e b a g a i s a l a h s a t u s y a r a t u n t u k m e m p e r o l e h g e l a r

S a r j a n a P e r t a n i a n p a d a F a k u l t a s P e r t a n i a n

I n s t i t u t P e r a n i a n B o g o r

JURUSAN BUDIDAYA PERTANIAN

FAKULTAS PERTANIAN

INSTITUT PERTANIAN BOGOR

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RIWAYAT

HIDUP

P e n u l i s d i l a h i r k a n d i J a k a r t a p a d a t a n g g a l 22 J a n u a r i

1 9 6 7 s e b a g a i p u t r a t e r a k h i r d a r i d e l a p a n b e r s a u d a r a p a -

s a n g a n B a p a k N a s u h a d a n I b u R o s m a n i a r .

P e n d i d i k a n s e k o l a h d a s a r d i SD N e g e r i 04 S e n e n d i s e -

l e s a i k a n p a d a t a h u n 1 9 7 9 . P e n d i d i k a n s e k o l a h l a n j u t a n

t i n g k a t p e r t a m a d i SMP N e g e r i 5 J a k a r t a d i s e l e s a i k a n p a d a

t a h u n 1 9 8 3 d a n s e k o l a h l a n j u t a n a t a s d i SMA N e g e r i 6 8 J a -

k a r t a d i s e l e s a i k a n p a d a t a h u n 1 9 8 6 .

P e n u l i s d i t e r i m a d i I n s t i t u t P e r t a n i a n Bogor p a d a t a -

hun 1 9 8 6 m e l a l u i P r o g r a m P e n e l u s u r a n M i n a t d a n Kemampuan

(PMDK)

.

P a d a t a h u n 1987 masuk J u r u s a n B u d i d a y a P e r t a n i a n

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KATA PENGANTAR

P u j i s y u k u r p e n u l i s p a n j a t k a n k e h a d i r a t A l l a h SWT k a -

r e n a d e n g a n r a h m a t - N y a p e n u l i s d a p a t m e n y e l e s a i k a n L a p o r a n

K a r y a I l m i a h i n i .

L a p o r a n Karya I l m i a h i n i m e n e l i t i t e n t a n g p e n g g u n a a n

p u p u k p e l e p a s h a r a t e r k e n d a l i p a d a m e d i a n o n t a n a h s e b a g a i

m e d i a a l t e r n a t i f u n t u k p e r t u m b u h a n t a n a m a n .

U c a p a n t e r i m a k a s i h p e n u l i s s a m p a i k a n k e p a d a :

1. I r A r i s M u n a n d a r , MS d a n I r Z a i n Rachman s e l a k u d o s e n

p e m b i m b i n g

2 . I r N u r h a y a t i ,

MSc

d a n I r I n d u n g S . F . s e l a k u d o s e n

p e n g u j i

3 . _{R e k a n - r e k a n d a n s e m u a p i h a k}

y a n g t e l a h b a n y a k membantu d a n m e m b e r i s a r a n k e p a d a p e n u -

l i s d a l a m p e l a k s a n a a n p e r c o b a a n d a n p e n y u s u n a n L a p o r a n

Karya I l m i a h i n i .

Semoga t u l i s a n i n i d a p a t b e r m a n f a a t b a g i y a n g memer-

l u k a n n y a

B o g o r , Mei 1991

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