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Eko Apriliyanto
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Redaksi Jurnal Ilmiah Media Agrosains Jl. Raya Kenteng - Madukara KM. 02, Madukara, Kab. Banjarnegara Jawa Tengah 53482
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INDONESIA
Jurnal Ilmiah Media Agrosains
Published by Politeknik Banjarnegara
ISSN : :2407169     EISSN : 29626315     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Ilmiah Media Agrosains merupakan publikasi tulisan asli yang berkaitan dengan bidang pertanian secara luas.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 63 Documents
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EFIKASI EKSTRAK Ageratum conyzoides SEBAGAI PENGENDALI GULMA PASCA TUMBUH PADA BERBAGAI KONSENTRASI Retno Muningsih
Jurnal Ilmiah Media Agrosains Vol 8 No 1 (2022): Edisi Desember
Publisher : Unit Penelitian dan Pengabdian Masyarakat (UP2M) Politeknik Banjarnegara

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Abstract

Weeds are plants whose presence is not desired in the planting area because they are considered detrimental, inhibiting plant growth and production. The losses caused by the presence of weeds in cultivated areas can be very large, but these losses are rarely measured because weeds and cultivated plants are both plants (plants). Chemist weed control is widely used because the effects are seen more quickly and in an easier way. There can also be competition between weeds because of the allelopathy that can suppress the growth of fellow weeds and/or cultivated plants. Allelopathy is one of the ingredients that can be used as a herbicide biological material. Ageratum conyzoides contains chemical compounds from the class of alkaloids, anthraquinones, terpenes, steroids, tannins and phenols that can inhibit cell division germination, and inhibit the growth and/or development of weeds/other plants. This study aimed to determine the efficacy of Ageratum conyzoides extract used as a biological herbicide and obtain a concentration of Ageratum conyzoides extract which could be used as a biological herbicide. The experiment was carried out at the Krajan Practice Gardens, Polytechnic LPP Yogyakarta, with treatment concentrations of extracts of Ageratum conyzoides, namely 0% (A0), 1% (A1), 3% (A2), 5% (A3) and 7% (A4) per m² sample plot. Treatment A3 (3% concentration) was the concentration that caused the greatest poisoning symptoms compared to treatments A5 (5% concentration), A7 (7%), A1 (1% concentration) and A0 (0% concentration).Keywords: Ageratum conyzoides, bioherbisida, weed
PENGARUH DOSIS DAN WAKTU APLIKASI JAMUR MIKORIZA ARBUSKULAR TERHADAP PERTUMBUHAN BIBIT TANAMAN KELAPA SAWIT (Elaeis guineensis Jacq) DI PRE-NURSERY Putra Ardiansyah
Jurnal Ilmiah Media Agrosains Vol 8 No 1 (2022): Edisi Desember
Publisher : Unit Penelitian dan Pengabdian Masyarakat (UP2M) Politeknik Banjarnegara

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Abstract

This study aims to determine the effect of administering Arbuscular Mycorrhizal Fungus (AMF) with different application times on the growth of oil palm seedlings in Pre-Nursery. The sprouts used came from PPKS with the D X P Marihat variety. This research was conducted at the Green House Polytechnic LPP Yogyakarta arranged in a factorial Randomized Block Design (RBD). The first factor was the administration of AMF with the dose used, namely M0 for no AMF, M1 with 5 grams of JMA, and M2 with 10 grams of AMF. The second factor was the time of application which consisted of 3 levels, namely: W1 (Application 5 days before planting), W2 (Application 15 days after planting), and W3 (Application 30 days after planting). From these two factors, 9 treatment combinations were obtained which were repeated 3 times, so that they consisted of 27 experimental units. The treatments were planted in polybags measuring 20 X 20 cm. Each experimental unit consisted of 2 plants, so a total of 54 oil palm seeds were needed. The variables observed were plant height, stem diameter, number of leaves, plant wet weight, and plant dry weight. Analysis of the data using variance (ANOVA) with a significant 5%, if there is a significant difference followed by Duncan's further test (DMRT). The results showed that there was no real interaction between the administration of AMFand the different application times on the observed growth variables. The AMF treatment had no significant effect on plant height, several leaves, wet weight, or dry weight but had a significant effect on stem diameter. Different times of application of AMF did not significantly affect all observed variables, namely plant height, number of leaves, stem diameter, plant wet weight, and plant dryweight.
PEMBERIAN PGPR (Plant Growth Promoting Rhizobacteria) DENGAN KONSENTRASI YANG BERBEDA PADA PERTUMBUHAN BENIH TEBU (Saccharum Officinarum L.) ASAL BUD SET Raudatul Jannah
Jurnal Ilmiah Media Agrosains Vol 7 No 2 (2022): Edisi Juni
Publisher : Unit Penelitian dan Pengabdian Masyarakat (UP2M) Politeknik Banjarnegara

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Abstract

Sugarcane (Saccharum officinarum L.) is a plantation crop that has an important role in improving the economy in Indonesia as well as the main raw material in sugar production. The single bud planting method is a nursery method that is widely used and in demand by farmers today for the production of sugarcane seeds. One of the best ways to grow seedlings is to have a good root system to get optimal nutrients. One of the efforts to support the growth and function of the roots is by giving PGPR (Plant Growth Promoting Rhizobacteria). This study aims to determine the effect of differences in PGPR concentration on the growth of sugarcane bud set seedlings. The research was carried out from April to June 2021 at the LPP Polytechnic Integrated Practice Garden, Wedomartani, Sleman, Yogyakarta. This study used a non-factorial Randomized Block Design (RAK) method on one PGPR factor with 6 different concentration treatments. Each treatment was repeated 3 times so that there were 54 experimental units. The treatments used were PGPR concentrations of 0.3 ml/polybag, 0.6 mL/polybag, 0.9 mL/polybag, 1.2 mL/polybag and 1.5 mL/polybag. The results showed that the administration of PGPR with different concentrations did not significantly affect all parameters of sugarcane seedlings from the bud set observed, namely: plant height, number of leaves, stem diameter and root length.

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