PENGARUH PUPUK MAJEMUK TERHADAP HASIL DAN MUTU TEMBAKAU VIRGINIA DI BONDOWOSO, JAWA TIMUR

DJAJADI DJAJADI

Abstract


ABSTRAK
Untuk mengetahui pengaruh pupuk majemuk terhadap hasil dan
mutu tembakau virginia yang ditanam di tanah ringan, telah dilakukan
penelitian di Desa Pengarang, Kecamatan Pujer, Kabupaten Bondowoso
mulai bulan April sampai Nopember 2001. Penelitian ini menggunakan
rancangan acak kelompok dengan tiga kali ulangan untuk menyusun
perlakuan. Perlakuan yang dicoba adalah pupuk majemuk (PM) dengan
dosis 5, 6, 7, 8 dan 9 butir pertanaman dibandingkan dengan PM (dosis
masing-masing) dicampur dengan biokonsentrat. Sebagai perlakuan
pembanding adalah paket pupuk rekomendasi, yaitu 200 ZA + 200 PN +
100 SP36 + 100 ZK. Hasil penelitian menunjukkan bahwa pemberian PM
sebanyak 6 butir per tanaman (setara dengan 185 kg/ha atau 40 kg N/ha)
menghasilkan daun basah tembakau sebanyak 11,34 ton/ha. Hasil daun
basah tersebut tidak berbeda dengan hasil daun basah tertinggi (12,42
ton/ha) yang dihasilkan tanaman tembakau dengan paket dosis
rekomendasi. Dosis pupuk majemuk juga memberikan nilai indeks mutu
tertinggi (55,90) tidak berbeda pengaruhnya dengan pupuk rekomendasi.
Pemberian pupuk rekomendasi menghasilkan tanaman tembakau yang
berkadar N dan P jaringan tanaman tertinggi pada pengamatan umur
tanaman 75 hari setelah tanam dan pada saat akhir panen.
Kata kunci: Tembakau virginia, tanah ringan, pupuk, Kabupaten
Bondowoso, Jawa Timur
ABSTRACT
Effect of compound fertilizer on yield and quality of
virginia tobacco in light soil, Bondowoso, East Java
Study to determine the effect of compound fertilizer on yield and
quality of virginia tobacco was conducted in Pengarang, Pujer, Bondo-
woso District, from April to November 2001. Factorial in randomized
block design with three replicates was arranged to set the treatment
consisting of two factors. The first factor of treatment consists of two
variables, i.e. compound fertilizer (PK) and PK +bio-concentrate. The
second factor was the rates of PK, i.e 5, 6, 7, 8, and 9 tablets per plant or
equivalent to 185, 221, 258, 294 and 331 kg/ha. All the treatments were
compared to recommended fertilizer to farmers (200 ZA + 200 PN + 100
SP36 + 100 ZK kg/ha). The results showed that 185 kg/ha PK gave the
fresh tobacco yield of 11.34 tones/ha which was not significantly different
with the highest fresh tobacco leave (12.42 tones/ha) produced by
recommended fertilizer. Grade index value of tobacco produce by PK and
recommended fertilizer was not significantly different. However, virginia
tobacco with recommended fertilizer had the highest content of N and P in
plant tissues which were observed at 75 days after planting and until the
end of harvesting.
Key words: Virginia tobacco, light soil, fertilizer, Bondowoso District,
East Java

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DOI: http://dx.doi.org/10.21082/jlittri.v14n3.2008.95-100

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