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Eka Listia
Agriculture Faculty, Universitas Gadjah Mada
Agriculture, Biological Sciences & Forestry

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Aplikasi Pupuk Hayati Untuk Meningkatkan Pertumbuhan dan Produktivitas Tanaman Kelapa Sawit Hidayat, Fandi; Yudhistira, Yudha; Desika Putri Pane, Rizki; Sapalina, Fadilla; Listia, Eka; Amalia, Rizki; Muhayat, Muhayat; Winarna, Winarna
Jurnal Penelitian Kelapa Sawit Vol 31 No 2 (2023): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iopri.jur.jpks.v31i2.226

Abstract

Manajemen kesuburan tanah yang rutin dilakukan di perkebunan kelapa sawit cenderung tidak memperhatikan kesuburan dari aspek biologi tanah. Penggunaan pupuk anorganik menjadi praktik standar yang umum, akan tetapi dapat mempengaruhi kesuburan dan kesehatan tanah. Produk hayati yang mengandung konsorsium bakteri bermanfaat dapat menjadi alternatif untuk meminimalkan bahaya terhadap lingkungan dan mewujudkan pertanian berkelanjutan. Penelitian pengaruh aplikasi pupuk hayati terhadap pertumbuhan dan produktivitas kelapa sawit telah dilakukan dengan sistem demo plot (demplot) pada tanaman menghasilkan TT 2008 yang berlokasi di Sumatera Selatan sejak tahun 2019. Penelitian disusun menggunakan rancangan acak kelompok (RAK) dengan lima perlakuan. Hasil penelitian menunjukkan bahwa populasi bakteri secara nyata mengalami peningkatan dan menunjukkan nilai yang lebih tinggi (menjadi >108 cfu/g-1) pada plot aplikasi pupuk hayati. Sementara itu, performa vegetatif tanaman meningkat sekitar 8,5-17,2% (luas daun) dan 8,6-14,9% (berat kering pelepah) terhadap kontrol (100% anorganik). Perlakuan pupuk anorganik (50% dan 75%) yang dikombinasikan dengan pupuk hayati dapat meningkatkan efisiensi pemupukan dan menghasilkan produktivitas tanaman kelapa sawit yang tidak berbeda nyata terhadap perlakuan standar (100% pupuk anorganik).
EFEK KEKERINGAN DAN GANGGUAN ASAP TERHADAP EKOFISIOLOGI DAN PRODUKTIVITAS TANAMAN KELAPA SAWIT DI SUMATRA SELATAN Syarovy, Muhdan; Pradiko, Iput; Listia, Eka; Darlan, Nuzul Hijri; Hidayat, Fandi; Winarna, Winarna; Rahutomo, Suroso
Jurnal Penelitian Kelapa Sawit Vol 25 No 3 (2017): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (227.781 KB) | DOI: 10.22302/iopri.jur.jpks.v25i3.31

Abstract

Prolonged dry season, land fire, and haze disturbance occurred during El Niño 2015 in Indonesia. A study had been conducted to identify impacts of prolonged dry season and haze disturbance on ecophysiology of oil palm in Dawas Estate, South Sumatra. The study was conducted by collecting data of precipitation, visibility, oil palm fronds addition, rate of photosynthesis, Photosinthetically Active Radiation (PAR), and Elaeidobius kamerunicus activity on mature and immature palm before, during and after the incidence of drought and haze disturbance. T test was used for statistics analysis. The results showed that water deficit was recorded in July, August, September and October, it was 45, 92, 80, and 148 mm respectively. Dry month (precipitation was ≤ 60 mm) was 2 months, while dry spell occurred 3 times in June to July (33 days), August to September (42 days), and September to October (40 days). Haze disturbance occurred in August to November, it had decreased visibility to 80%. During drought stress and haze disturbance, there was decrease in fronds addition, photosynthesis rate and bunch productivity in following year. In addition, haze disturbance had decreased number of Elaeidobius kamerunicus visitting female flowers up to 95%.
Co-Authors Desika Putri Pane, Rizki Fandi Hidayat, Fandi Muhayat Muhayat, Muhayat Muhdan Syarovy Nuzul Hijri Darlan Pradiko, Iput Rahutomo, Suroso Rizki Amalia Sapalina, Fadilla Winarna Winarna Yudhistira, Yudha