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All Journal Agrosains: Jurnal Penelitian Agronomi Agrotechnology Research Journal

Sudadi Sudadi

Department of Agrotechnology, Faculty of Agriculture, Universitas Sebelas Maret

Author-ID : 3764330

Agriculture, Biological Sciences & Forestry

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Potensi Jamur Perakaran sebagai Agens Pengendalian Hayati Penyakit Moler (Fusarium oxysporum f.sp. Cepae) pada Bawang Merah Andhika Wahyu Nugroho; Hadiwiyono Hadiwiyono; Sudadi Sudadi
Agrosains : Jurnal Penelitian Agronomi Vol 17, No 1 (2015): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Desease that often occurs on the shallot is moler caused by Fusarium oxysporum f. sp. cepae (FOCe). This research was conducted to studied the potential of root-colonizing fungi to suppres moler disease on shallot. The researchs were divided into two steps that were laboratory test and screen house test used Completely Randomized Design (CRD). The treatments in screen house test were the combination of four fungi that had best capability to inhibit growth of FOCe. Each treatment was repeated three times. The result showed that root-colonizing fungi could reduce the moler disease but haven’t affect significantly growth component of shallot. Lowest disease intensity was 20% on the combination of AJ01, AJ12, AJ17, AJ18. Root-colonizing fungi have potention to decrease Moler disease.

Pengaruh Abu Vulkanik Kelud dan Pupuk Kandang terhadap Ketersediaan dan Serapan Kalium pada Jagung di Tanah Alfisol Suntoro Suntoro; Sudadi Sudadi; Hery Widijanto; Galuh Novikah Widy Utami
Agrosains : Jurnal Penelitian Agronomi Vol 18, No 1 (2016): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Kelud volcanic ash has high source of minerals, which is potassium. This study aims to determine the effect and find the best composition of Kelud volcanic ash and manure to the availability and corn uptake of potassium in the Alfisols.This research is expected to provide information on the composition of volcanic ash Kelud and proper manure for agriculture. This research was conducted in the greenhouse, in the Laboratory of Ecology and Management of Crop Production, and soil chemistry laboratory of the Faculty of Agriculture, Sebelas Maret University in June 2014 - January 2015. Research using completely randomized design which consists of two factors, there are the thickness of Kelud volcanic ash which consists of four levels A0 (0 cm), A1 (2 cm), A2 (4 cm), and A3 (6 cm) and the dose of manure were P0 (0 ton/ha), P1 (2,5 ton/ha), and P2 (5 ton/ha). Each combination treatment was repeated 3 times. The data were then analyzed using the F test and continued with Duncan Multiple Range Test Test (DMRT) level of 95%. The results showed that the interaction between the two treatments were no significant different. Availability Potassium gradually decreased with an increase in the dose of volcanic ash Kelud, allegedly because of the low value of the total potassium Kelud volcanic ash. The results of measurements of plant potassium uptake increased with increasing dose Kelud volcanic ash and manure.

Efek dari Kombinasi Pupuk N, P dan K terhadap Pertumbuhan dan Hasil Kacang Tanah pada Lahan Kering Alfisol Suryono Suryono; Sudadi Sudadi
Agrosains : Jurnal Penelitian Agronomi Vol 17, No 2 (2015): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

This study was aimed to determine the effect of fertilizer dose combination of N, P, and K on growth and yield of peanut on Alfisols dryland. The experiment was conducted from April to September 2014 in Sukosari Village, Jumantono, Karanganyar with 3 factor completely randomized design arranged N (Urea) fertilizer dose (50,100,150) kg ha-1, P (SP-36) fertilizer dose (100,200,300) kg ha-1 and K (ZK) fertilizer dose (75,150,225) kg ha-1. Statistical analysis using F test 5% followed by DMRT with 95% confidence level. The parameters observed were wet and dry weight of plant per sample, number of filled pods per sample, weight of pods per sample, and weight of dry seed per sample. Fertilizer dose combination of N, P and K significantly affect on dry weight. Fertilizer dose combination N and P significantly affect on number of filled pods and weight of pods per sample. Combination of P and K fertilizers significantly affect on dry seed weight. N fertilizer dose significantly affect on weight of dry seed per sample. The best fertilizer dose combination is P3K3 treatment (300 kg ha-1 and 225 kg ha-1) that can increased 57 % weight of dry seed if compared with recommendation dose.

Respon Pertumbuhan dan Hasil Garut (Maranta Arundinacea) Terhadap Pembumbunan dan Pemupukan Kalium Rahmawati Fitria; Supriyono Supriyono; Sudadi Sudadi
Agrotechnology Research Journal Vol 1, No 1 (2017): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

This research aims to determine the arrowroot responses on piling and potassium fertilizer application on its growth and yield. This research was conducted in Experiment Field of Agriculture Faculty SebelasMaret University at Sukosari, Jumantono, Karanganyar using Randomized Completed Block Design (RCBD) factorial with two factors of piling and potassium fertilization.There are 2 levels of piling, consists of without piling treatment (P0) and with in piling (P1).There are 3 levels of potassium fertilization consist of 250 kg ha-1 KCl, 300 kg ha-1 KCl, and 350 kg ha-1 KCl. Observation variable consist of plant height, leaf number, tiller number, biomass fresh weight per plant, biomass dry weight per plant, tuber numbers per plant, tuber weights per plant, tuber weights per plot, tuber diameter, and tuber length. Data were analyzed using analysis of variance and if there is significant difference, continue with DMRT (Duncan’s Multiple Range Test) of 5% level. The result showed that treatment with in piling (P1) can tends to increase yield of arrowroot plant on tuber numbers per plant, tuber weights per plant, and tuber weights per plot. Potassium fertilizer treatment with 350 kg ha-1 dose KCl tends to increase at growth and yield in all variables except the tiller numbers.

Co-Authors Andhika Wahyu Nugroho Galuh Novikah Widy Utami Hadiwiyono Hadiwiyono Hery Widijanto Rahmawati Fitria Suntoro Suntoro Supriyono Supriyono Suryono Suryono

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