Partisi bahan kering bibit kopi arabika (Coffea arabica L.) yang diberi asam humat dan pupuk NPK tablet

  • Rosniawaty S
  • Sudirja R
  • Ariyanti M
  • et al.
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Abstract

Sari. Kopi merupakan salah satu produk perkebunan penghasil devisa negara.  Saat ini tanaman kopi menjadi andalan beberapa daerah di Indonesia dengan kekhasannya.  Namun demikian produksi kopi masih perlu ditingkatkan karena masih tidak sesuai dengan potensi produksi. Peningkatan produksi kopi dapat diawali dari pembibitan.  Pengelolaan bibit yang baik dapat dilakukan dengan pemberian pupuk NPK tablet dan asam humat, yang nantinya akan mempengaruhi fotosintesis dan fotosintat yang dihasilkan.  Tujuan penelitian adalah untuk melihat partisi bahan kering bibit kopi melalui bobot kering bagian-bagian tanaman pada bibit kopi yang diberi NPK tablet dan asam humat.  Percobaan dilakukan  di bulan Februari 2017 sampai bulan April 2017 di Kebun Percobaan Ciparanje, Fakultas Pertanian Unpad. Percobaan ini menggunakan metode eksperimen Rancangan Acak Kelompok (RAK), terdiri dari sembilan perlakuan dan diulang sebanyak tiga kali. Perlakuan  sebagai berikut : Tanpa pupuk NPK tablet dan asam humat ; Pupuk NPK Tablet 6 g;  Asam humat 10 mL; Pupuk NPK Tablet 3 g + Asam Humat 5 mL; Pupuk NPK Tablet 3 g + Asam humat 10 mL;  Pupuk NPK tablet 3 g  + Asam Humat 15 mL;  Pupuk NPK tablet 6 g  + Asam Humat 5 mL; Pupuk NPK tablet 6 g   + Asam humat 10 mL;  Pupuk NPK tablet 6 g  + Asam Humat 15 mL. Terdapat pengaruh NPK tablet dan asam humat terhadap partisi bahan kering di akar bibit kopi. NPK tablet 1 butir (3g) dan asam humat 10 mL mempengaruhi partisi bahan kering di akar tertinggi. Kata kunci: bahan kering, bibit, kopi, asam humat, pupuk tabletAbstract. Coffee is one of the plants that gave income to Indonesia. Currently, coffee plants are the pledge of several regions in Indonesia with their distinctiveness. However, coffee production is still needed to be improved due to  its low production capacity. Increasing coffee production can be started from nurseries. Good seedling management can be done with application of NPK tablets and humic acid ferlilizer, which is influencing photosynthesis and photosynthates produced. The aim of the study was to determine dry matter partition through the dry weight of plant parts in coffee seedlings given NPK tablets and humic acid. The experiment was conducted on February to April 2017 at the Ciparanje Experimental Station, Faculty of Agriculture, Padjadjaran University. Randomized block design (RBD) was used in this experiment, consisted of nine treatments and repeated three times. The treatment was : without NPK tablets and humic acid; NPK Tablet 6 g; 10 mL humic acid; NPK Tablet 3 g + 5 mL Humic Acid; NPK Tablet 3 g + 10 mL humic acid; NPK tablet 3 g + 15 mL humic acid; NPK tablet 6 g + humic acid 5 mL; NPK tablet 6 g + 10 mL humic acid; NPK tablet 6 g + 15 mL Humic Acid. There was an effect of NPK tablets and humic acid on dry matter partition in the roots of coffee seedlings. NPK tablet 3 g and 10 mL humic acid gave the highest dry matter partition at the root. Key words: dry matter, Seedling, coffee, humic acid, tablet fertilizer

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APA

Rosniawaty, S., Sudirja, R., Ariyanti, M., Mubarok, S., & Akbar, R. (2019). Partisi bahan kering bibit kopi arabika (Coffea arabica L.) yang diberi asam humat dan pupuk NPK tablet. Kultivasi, 18(1). https://doi.org/10.24198/kultivasi.v18i1.20119

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