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Praditya Rizqi Novanto
PT Anugerah Sarana Hayati
Agriculture, Biological Sciences & Forestry

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Uji Infektivitas Dan Efektivitas Fungi Mikoriza Arbuskula (FMA) Dalam Meningkatkan Ketersediaan Unsur Hara P, Total Mikrob, Dan Respirasi Tanah Pada Bibit Kelapa Sawit (Elaeis guineensis Jacq.) Fahrizal Hazra; Fatimah Nur Istiqomah; Praditya Rizqi Novanto; Ardina Nurul Fadilla
Jurnal Penelitian Kelapa Sawit Vol 32 No 2 (2024): 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.v32i2.238

Abstract

This study aims to analyze root infection and spore types by mycorrhiza and examine the effect of biofertilizers on soil biological and soil chemical properties. The study used a single-factor Randomized Blok Design (RBD) with 6 treatment levels and 10 replications. Biofertilizer test treatments are control (A); standard NPK fertilizer (15-15-15) 2,5 g (B); 20 gr biofertilizer (C); 1 standard NPK+20 g biofertilizer (D); 3/4 standard NPK+20 g biofertilizer (E); and 1/2 standard NPK+20 g biofertilizer (F). The results showed that treatment with 3/4 standard NPK + 20 g of biological fertilizer (E) was able to colonize the roots of oil palm seedlings by 100%. The highest number of spores 94 spores/10 g, was found in the treatment of 1 standard NPK + 20 g of biological fertilizer with 6 types of spores, they were; Glomus sp1, Glomus sp2, Glomus sp3, Acaulospora sp1, Acaulospora sp2, and Acaulospora sp3. Application of mycorrhiza and various doses of NPK to oil palm seedlings showed an increase in the availability of phosphorus, total microbes, and respiration in the soil. Treatment of 1 standard NPK + 20 g of biological fertilizer was the best treatment in increasing the availability of P, which was 68,98 ppm. The highest total microbial population was found in the treatment of mycorrhizal biofertilizer 1/2 NPK + 20 g of biofertilizer, which was 31,76 x 105 SPK/g. The highest respiration was found in the treatment of 3/4 NPK + 20 g of biological fertilize, which was 7,94 g C/day.
Pengaruh Aplikasi Mikoriza dan Pupuk Anorganik Terhadap Pertumbuhan Bibit Kelapa Sawit di Pre dan Main Nursery Fatimah Nur Istiqomah; Praditya Rizqi Novanto; Rahayu Ning Janati
Jurnal Penelitian Kelapa Sawit Vol 33 No 1 (2025): 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.v33i1.273

Abstract

Fertilization is one of the factors that affect oil palm productivity. Three types of fertilizers are commonly used for oil palm cultivation, namely organic, inorganic, and biological. One type of biological fertilizer is mycorrhiza, a fertilizer made from fungi. This study aims to determine the role of mycorrhiza and various doses of NPK fertilizer on the vegetative growth of oil palm seedlings. The research method in the pre-nursery used a completely randomized design (CRD) with treatments; control (A), 100% NPK fertilizer (B), 30 g mycorrhiza (C), 30 g mycorrhiza + 25% NPK fertilizer (D), 30 g mycorrhiza + 50% NPK fertilizer (E) 30 g mycorrhiza + 75% NPK fertilizer with 25 replications. The research method in the main nursery used a completely randomized design (CRD) with treatments: control (A), 100% NPK fertilizer (B), 40 g mycorrhiza (C), 40 g mycorrhiza + 25% NPK fertilizer (D), 40 g mycorrhiza + 50% NPK fertilizer (E) 40 g mycorrhiza + 75% NPK fertilizer with 20 repetitions. The results showed that the application of 30 g mycorrhiza to pre-nursery oil palm seedlings could increase seedling height by 73.75% better than the control, and the application of 30 g mycorrhiza + 50% NPK fertilizer could increase seedling height by 59.57%. Applying 40 g mycorrhiza + 75% NPK fertilizer could increase height by 71.97% and diameter by 54.26% compared to the control in main-nursery oil palm seedlings. The application of 30 g of mycorrhiza in the pre-nursery can increase the efficiency of NPK fertilizer by 50%, and the application of 40 g of mycorrhiza in the main nursery can increase the efficiency of NPK fertilizer by 25%.
Co-Authors Ardina Nurul Fadilla Fahrizal Hazra Fatimah Nur Istiqomah Rahayu Ning Janati