Respons Tanaman Tomat terhadap Penggunaan Pupuk Majemuk NPK 15-15-15 pada Tanah Latosol pada Musim Kemarau

- Subhan, Nunung Nurtika, Nikardi gunadi

Abstract


ABSTRAK. Percobaan bertujuan mendapatkan dosis pupuk majemuk NPK 15-15-15 yang optimal untuk pertumbuhan
dan hasil, serapan N, P, dan K pada tanaman tomat. Penelitian dilaksanakan pada tanah Latosol milik petani di Desa
Sukaresik (700 m dpl), Kabupaten Sumedang, Jawa Barat pada bulan Mei sampai November 2005. Perlakuan pupuk
majemuk NPK 15-15-15 dosis 0, 250, 500, 750, 1.000, dan 1.250 kg/ha disusun dalam rancangan acak kelompok
dengan 3 ulangan. Hasil penelitian menunjukkan bahwa pemberian pupuk majemuk NPK 15-15-15 dosis 1.000 kg/ha
memberi pengaruh terbaik terhadap tinggi tanaman, serapan N, P, dan K, bobot basah dan kering tanaman serta hasil
buah tomat. Kebutuhan pupuk untuk tanaman tomat pada tanah Latosol di Sumedang adalah 213,07 kg N/ha, 28,51
kg P/ha, dan 35,69 kg K2O/ha.

ABSTRACT. Subhan, N. Nurtika, and N. Gunadi. 2009. Response of Tomato Plant to Compound Fertilizer
NPK 15-15-15 in Dry Season. An experiment was set up to determine the optimum dosage of compound fertilizer
NPK 15-15-15, and uptake of N, P, and K on tomato grown in Latosol soil type. The experiment was conducted at
farmer’s field in the village of Sukaresik Sumedang District (700 m asl), West Java from May until November 2005.
The treatments were dosages of compound fertilizer NPK 15-15-15, i.e. 0, 250, 500, 750, 1,000, and 1,250 kg/ha,
arranged in a randomized block design with 3 replications. The results showed that dosage of NPK 15-15-15 at 1,000
kg/ha gave the best results to the plant height, N, P, K uptake, wet and dry weight of tomato plant, as well as yield of
tomato. It could be recommended that fertilization on tomato on latosol soil type in Sumedang was 213.07 kg N/ha,
28.51 kg P/ha, and 35.69 kg K2O/ha.


Keywords


Lycopersicon esculentum; Compound fertilizer; Uptake; Nitrogen; Phosphate; Potassium; Latosol; Dry season.

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DOI: http://dx.doi.org/10.21082/jhort.v19n1.2009.p%25p

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