SEMNAS Hortikultura Buku 2 - Departemen Pertanian

Yield Performance of Applying Cropping Pattern Technologies of Potato on Volcanic Medium Altitute Land
Mulyadi, Sarjiman, Widodo, S, and Wanita, Y. P.
11. Silalahi, F.H. 1991. Tumpangsari Ercis dan Kentang. Jurnal Hortikultura I (4);4-22. Pusat
Penelitian dan Pengembangan Hortikultura, Badan Litbang Pertanian. Jakarta.
12. Silalahi, F.H. 1992. Pengaruh Susunan Barisan Pada Tumpangsari Kobis Terhadap Produksi dan
Pendapatan Bersih. Jurnal Hortikultura II (4); 66-72. Puslitbang Hortikultura, Badan Litbang
Pertanian.
Tables
Table 1. Treatment of tested cropping pattern technologies on volcanic medium altitude land
in Pakem, Sleman Regency.
Treatment
code
Cropping
pattern
Planting
distance
(cm x cm)
Treatment components
Fertilizer and mulch rates (kg/ha)
Population
Chicken Rice
1
dung straw
(plant/ha) N P 2 O 5 K 2 0 manure mulch
MP Potato 70 x 40 33,333 138 72 120 15 5
IPSC
Potato + 70 x 40 33,333 138 72 120
Sweet corn 40 16,666 36.8 10.8 18
15 5
IPLO
Potato + 70 x 40 33,333 138 72 120
Leaf onion 40 16,666 6.9 - -
15 5
1
Size of treatment plot was 7.5 m x 4.0 to 4.8 m, consisting of 5 beds with size of each bed was 1.2 m x 4.0 to
4.8 m and between the beds was separated by a ditch with wide of 0.3 m. In intercropping system, the sweet
corn and leaf onion were planted in a row between the potato rows, respectively.
Table 2. Effects of cropping pattern and altitude on the tuber yield of potato on volcanic
medium altitude land in Pakem, Sleman Regency.
Altitude Monoculture
Intercropping
( m from sea
above level) Potato
Potato +
Sweet corn
Potato + Leaf
onion Mean
No. of potato tuber (piece/plant)
400 10.1 11.3 12.5 11.3 AB 1
550 10.5 10.4 10.5 10.5 B
700 13.4 12.7 12.6 12.9 A
Mean 11.3 A 1 11.5 A 11.9 A
Potato tuber yield (kg/plant)
400 0.85 0.77 0.84 0.82 B
550 0.94 0.96 0.98 0.96 A
700 1.01 0.93 1.00 0.98 A
Mean 0.93 A 0.89 A 0.94 A
Potato tuber yield (t/ha)
400 21.333 19.333 21.083 20.583 B
550 23.500 24.000 24.500 24.000 A
700 25.166 23.333 24.916 24.472 A
Mean 23.333 A 22.222 A 23.500 A
1 Mean values among cropping patterns or altitudes followed by the same capital letters indicated there is no
significant different according to LSD test at 5% level.
88│
Prosiding SeminarNasional Pekan Inovasi Teknologi Hortikultura Nasional: Penerapan Inovasi Teknologi Hortikultura
dalam Mendukung Pembangunan Hortikultura yang Berdaya Saing dan Berbasis Sumberdaya Genetik Lokal,
Lembang, 5 Juli 2012