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Benny Hidayat
Program Studi Agroekoteknologi Fakultas Pertanian, USU, Medan

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Pengaruh Sistem Tanam Jajar Legowo yang Dimodifikasi dan Jumlah Bibit Terhadap Pertumbuhan dan Produksi Padi Sawah (Oryza sativaL.) di Desa Tanjung Rejo Kecamatan Percut Sei Tuan Endow Richardo; Erwin masrul Harahap; Benny Hidayat
Jurnal Pertanian Tropik Vol. 6 No. 3 (2019): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (383.638 KB) | DOI: 10.32734/jpt.v6i3.3163

Abstract

Peningkatan produksi padi di Indonesia dipengaruhi beberapa faktor, salah satu yaitu penggunaanjumlah bibit serta pengoptimalan populasi tanaman melalui jarak tanam padi. Penelitian bertujuanuntuk mempelajari pengaruh sistem tanam jajar legowo yang dimodifikasi dan jumlah bibit.Penelitian ini dilaksanakan di lahan sawah Desa Tanjung Rejo Kecamatan Percut Sei Tuan KabupatenDeli Serdang dan dimulai pada bulan Mei sampai dengan September 2017. Penelitian inimenggunakan Rancangan Acak Lengkap 2 Faktor, yaitu jumlah bibit ( 1 bibit, 2 bibit, 3 bibit ) danPopulasi tanaman berdasarkan sistem tanam jajar legowo yang dimodifikasi ( sistem tanam jarakkonvensional dengan populasi 48 rumpun per petak, sistem tanam jajar legowo dengan populasi 60rumpun per petak, sistem tanam jajar legowo dengan populasi 114 rumpun per petak, sistem tanamjajar legowo dengan populasi 154 rumpun per petak, sistem tanam jajar legowo dengan populasi 190rumpun per petak). Hasil penelitian menunjukkan bahwa penggunaan 2 bibit per rumpun dan sistemtanam jajar legowo dengan populasi 60 rumpun per petak berpengaruh secara nyata dalammeningkatkan produksi padi sawah (Oryza sativa L.). Interaksi antara faktor jumlah bibit danpopulasi tanaman tidak meningkatkan pertumbuhan tetapi berpengaruh nyata meningkatkan produksipadi sawah (Oryza sativa L.).
Application of phosphate solvent microbes and coffee skin compost to increase nutrient uptake of Robusta coffee plants in Andisols Mariani Sembiring; Benny Hidayat; Mukhlis Mukhlis; T. Sabrina
Jurnal Pertanian Tropik Vol. 6 No. 3 (2019): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (467.222 KB) | DOI: 10.32734/jpt.v6i3.3218

Abstract

Coffee plants need phosphorus nutrients for growth and fertilization in high quantities. Andisol has a verylow availability of P. Efforts that can be made to increase the availability of P are by utilizing phosphatesolvent microbes and coffee skin compost. The purpose of this study was to obtain the right type of microbialphosphate solvent and organic coffee skin ingredients in increasing the availability and growth of coffeeplants in Andisol affected by the eruption of Mt. Sinabung. This study used a factorial randomized blockdesign (RBD) consisting of 3 replications. Factor I: (Microbial Phosphate Solvents) M0 = Withoutapplication, M1 = Burkholderia cepacia, M2 = Talaromyces pinophilus, M3 = Burkholderia cepacia +Talaromyces pinophilus. Factor II Organic ingredients of coffee skin compost are K0 = without organicmatter, K1 = 75 g, K2 = 150 g, K3 = 225 g. The results of the study showed that B.cepacia + T.Pinophilus+ Mycorrhiza (M4) treatment can increase nutrient uptake of N, P and K of plants up to 12.3%, can increaseplant uptake of P up to 18.84%, increase uptake of plant K up to 19.53%. The treatment of 225g of coffeehusk compost (K3) can increase plant N nutrient uptake by 7.65%, plant P uptake to 26.11% and plant Kuptake up to 14.12%. M4K3 application can increase N uptake up to 53.28%, P uptake up to 98.56% andincrease K uptake of plants up to 56.45%. in general, the best treatment is M4K3.