Studi Bedengan Kompos Permanen Untuk Budidaya Kentang di Pekarangan

Etty Sumiati, Achmad Hidayat

Abstract


Abstrak. Sumiati, E. dan A. Hidayat. 2000. Studi Bedengan Kompos Permanen untuk Budidaya Kentang di Pekarangan.
Kebutuhan pupuk buatan/kimia untuk meningkatkan pertumbuhan dan hasil umbi kentang, sebagian dapat disubstitusi melalui
pemanfaatan bahan limbah organik. Penelitian ini bertujuan untuk mengetahui teknik pengomposan dan efektivitas bedengan kompos
untuk budidaya tanaman kentang di lahan kering. Penelitian dilakukan di dataran tinggi Samarang-Garut, Jawa Barat. Rancangan
percobaan digunakan Rancangan Acak Kelompok, dengan 6 ulangan. Perlakuan pada bedengan permanen terdiri atas 4 macam for -
mula, yaitu menggunakan komposisi berbagai macam campuran limbah organik, serta pupuk kandang sapi sebagai kontrol. Hasil
penelitian menunjukkan bahwa bedengan permanen yang digarit dan diisi limbah organik pupuk kandang sapi 20 tha-1 ditambah NPK
(15-15-15) 40 kgha-1, memberikan pertumbuhan serta hasil dan kualitas umbi kentang kultivar Gra nola yang tertinggi. Selain itu,
proses dekomposisi limbah organik pupuk kandang sapi, sangat cepat yang tercermin dari nilai C/N yang terendah setelah 1 bulan
terjadi proses pengomposan.
Kata kunci : Solanum tuberosum L., limbah organik, pengomposan, hasil umbi.
Abstract. Sumiati, E. dan A. Hidayat. 2000. Study on the permanent plot of organic waste materials for cultivation of potato on
the dry-land area. The application of several kinds of organic waste materials hopefully may support and substitute the need of
chemical fertilizers to increase the growth and yield of potato which sustainable and lower environmental pollution. Research activity
have been conducted in highland area of Samarang-Garut, West Java. A Randomized Block Design with six replication was set up in
the field. Treatments on the permanent plots comprised of mixture of several kinds of waste organic materials, including cattle manure
as control. Research results revealed that the permanent plot with cattle manure of 20 tha-1 + NPK (15-15-15) 40 kgha-1, gave the best
growth and the highest yield of potato cultivar Granola. Moreover, the decomposition process of cattle manure was the faster which
was identified by the lowest C/N value gained after one month of decomposition process took place.

Keywords


Solanum tuberosum L., organic waste materials, decomposition, potato yield.

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DOI: http://dx.doi.org/10.21082/jhort.v12n4.2002.p%25p

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