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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vegetalika Jurnal Ilmu Pertanian Perkebunan dan Lahan Tropika Journal of Tropical Soils Indonesian Journal of Agricultural Science Jurnal Ilmu-Ilmu Pertanian Indonesia Journal of Degraded and Mining Lands Management AGRIVITA, Journal of Agricultural Science agriTECH Planta Tropika SAINS TANAH - Journal of Soil Science and Agroclimatology Caraka Tani: Journal of Sustainable Agriculture Jurnal Penelitian Pertanian Tanaman Pangan Jurnal Irigasi jurnal Ilmu Pertanian (Agricultural Science) Asian Journal of Agriculture Soil REns AGROSCRIPT Journal of Applied Agricultural Sciences Jurnal Tanah dan Iklim Journal of Smart Agriculture and Environmental Technology AGRIC Agroscript: Journal of Applied Agricultural Sciences
Benito Heru Purwanto
Department Of Soil Science, Faculty Of Agriculture, Gadjah Mada University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Social Sciences Veterinary

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Analisis Cluster Sebaran Hara Makro dan Rekomendasi Pemupukan untuk Tanaman Tebu (Saccharum officinarum Linn.) Basuki Basuki; Benito Heru Purwanto; Bambang Hendro Sunarmito; Sri Nuryani Hidayah Utami
Jurnal Ilmu Pertanian Vol 18, No 3 (2015): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (190.096 KB) | DOI: 10.22146/ipas.10614

Abstract

Shallot Growth and Yields Based on Ammonium:Nitrate Ratio on Coastal Sandy Soil Wiji Safitri; Endang Sulistyaningsih; Benito Heru Purwanto; Stephen Harper
Jurnal Ilmu Pertanian Vol 2, No 2 (2017): August
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2544.368 KB) | DOI: 10.22146/ipas.18333

Abstract

Nitrogen was a key component for increasing yield and quality of vegetables like shallots. The growth and development of plants were influenced by nitrogen form. Common plants preferred nitrate for growth, but the enormity preference varies within plant species and other environmental factors. The purpose of this experiment was to study the effect of ammonium:nitrate ratio in sandy soil to growth and yield of shallot (Allium cepa L. Aggregatum group). The experiment had been conducted in August-October 2015 in the sandy land on Samas Beach, Bantul, Yogyakarta, Indonesia. The research was arranged in a Split-Plot design. The main plot was the source of nitrogen (NH4+; NO3-; NH4+: NO3- 1:1; NH4+: NO3- 1:2; and NH4+: NO3- 2:1) and the subplot was cultivars (Crok Kuning, Tiron, and Bima Brebes). Each subplot covered an area of 2.5 m² (2.5 m x 1 m) with three blocks as replications. Shallot bulbs were planted in sixth-row, spacing 20 cm between rows and 15 cm within rows. The dose was applied according to the recommendation of BPTP (urea 200 kg ha-1, ZA 250 kg ha-1, SP-36 150 kg ha-1, and KCl 150 kg ha-1) 144.5 kg N ha-1. Ammonium:nitrate ratio influenced shallot growth in sandy soil through number of leaves at maximum vegetative phase and its leaf area. The NH4+: NO3- 1:2 ratio gave the best result in dry weight of leaves following bulb dry weight than other ratio. Nevertheless, ammonium:nitrate ratio had no significant influence on bulb dry weight (ton ha-1).
Application of Lime and Gypsum and Their Effect on Micronutrients (Fe, Zn, Mn, and Cu) Uptake of Sugarcane Planted in Central Lampung Ultisols Christoporus Sudradjat Widiarso; Benito Heru Purwanto; Eko Hanudin; Azwar Ma’as
Jurnal Ilmu Pertanian Vol 2, No 2 (2017): August
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1338.331 KB) | DOI: 10.22146/ipas.25805

Abstract

Most of sugarcane are cultivated on Ultisols with low inherent soil fertility in Central Lampung. This experiment aimed to observe the effect of lime (CaCO3) and gypsum (Ca2SO4) on Fe, Zn, Mn, and Cu uptake of sugarcane. The experiment was conducted in Experimental Research Field of Gula Putih Mataram Enterprise, Central Lampung District. The experiment was designed using a split-plot, which consisted of lime application as the main plot and gypsum application as the sub plotwith three replications. The results showed that there were no significant influence of lime and gypsum application on micronutrient content of the soil. However, application of 2 and 3 tons of lime/ha could reduce soil Fe content about 349.86 and 328.07 ppm respectively within 0-20 cm soil in depthand it was significantly lower than comparing to Fe content (around 457.68 ppm) in control. Similarly, the effect of gypsum application at 0.25 ton.ha-1 decreased Fe content (355.42 ppm), while Fe content of non-gypsum application soil showed around 410.34 ppm. The analysis of other micronutrients did not indicate asignificant effect of lime or gypsum application.
Effect of Humic Acid and Molybdate on Phosphate Adsorption in Typic Hapludult of Cigudeg, Bogor Heri Wibowo; Benito Heru Purwanto; Supriyanto Notohadisuwarno
Jurnal Ilmu Pertanian Vol 2, No 3 (2017): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.31093

Abstract

Humic acids containing carboxyl and hydroxyl groups that have the ability to cover the P adsorption  site in Typic Hapludults. Molybdate has similarity behaviour with phosphate in theacid soils. Research aim was to study the effects of molybdate and humic acid to the kinetics of phosphate adsorption in Typic Hapludults of Cigudeg, Bogor. Important of kinetics is to get accuration of materials transport, to control influence on anion mobility, that the assessment is needed for the efficient application of Mo and P. Aplication humic acid and molybdate as competitor anion of phosphate was conducted with combination of humic acid and Mo concentration as double anions. Many models describe the kinetics for the adsorption of phosphate by soils i.e. zero order, first order, second order, and Elovich. As ststistically, there was not interaction of humic acid and molybdate on P adsorption. Application of humic acid with rate of 100 mg.L-1 was not effective decrease P adsorption in Typic Hapludults. It was due to the pH of the adsorption system that get near to its pKa of carboxyl gruop about 5. Meanwhile aplication 2 and 5 mmol.L-1 of molybdate significantly decrease of P adsorption. The second order kinetics models apropriate to the adsorptionof P in the Typic Hapludults of Cigudeg, with determination coefficients value (R2) of  0.999-1 and standard error  value (SE) of 0.001–0.011.The results suggest that the molybdate as competitor anion affected the kinetics for the adsorption of phosphate due to the charge of molybdate.
Water Use Efficiency in Vertical Cropping System with Volcanic Ash Media by Using Biochar and Urban Waste Compost Fertilizer as Soil Amendement Mulyono Nitisapto; Azwar Maas; Benito Heru Purwanto; Putu Sudira
Jurnal Ilmu Pertanian Vol 4, No 1 (2019): April
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1789.457 KB) | DOI: 10.22146/ipas.34304

Abstract

Applying volcanic ash as planting media has to cope with several constrains: it quickly became sediment and hardened when exposed to water. One of the efforts to improve its physical condition is by utilizing biochar, which is one of amendment materials that can improve the soil quality. This study used vertical column container made from PVC to enable vertical plant arrangement. Volcanic ash requires additional nutrient intake from organic fertilizer such as urban waste compost. The objective of this study was to identify the proper dose combination of volcanic ash, biochar, urban waste compost fertilizer and column population per m2 to sustain the growth of curly lettuce in vertical cropping system, as well as the water use efficiency. This study was designed by using the Completely Randomized Design (CRD) Factorial with three factors. The first, second and third factors consisted of Biochar M1, M2 and M3 (25; 33; and 50 %), compost fertilizer doses of K1, K2, and K3 (25; 33; and 50 %), and column density of P1, P2 and P3 (4 columns/m2, 3 columns/m2 and 2 columns/m2), respectively. The total combination was 3 x 3 x 3 and each was repeated 3 times. Resulted data of this study consisted of growth and crops and analyzed by using the Analysis of Variance and continued with the HSD Tukey 5% Test (Honest significant deference). The water use efficiency (g/kg) can be formulated as the production of dry material per total water during the cultivation season (g/kg). Results of this study showed the highest fresh consumption result was obtained from treatment M3K3 in 556 g/column (comparison of volcanic ash, charcoal husk and compost = 25 : 25 : 50 %) and the best water-use efficiency was 2.30 g/kg.
Growth and Yield Response of Maize (Zea mays L.) on Acid Soil to Different Rates of Humic Acid and NPK Fertilizer Putri Wulandari; Endang Sulistyaningsih; Suci Handayani; Benito Heru Purwanto
Jurnal Ilmu Pertanian Vol 4, No 2 (2019): August
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (268.804 KB) | DOI: 10.22146/ipas.36680

Abstract

The main constraint in the extensification of maize on the dry land of acid soil is the low availability of P in soil. This study aimed to determine the effect and the optimal dose of humic acid on the growth and yield of maize on acid soil. This research was conducted from February to May 2017 at Tri Dharma Field Laboratory, Faculty of Agriculture, Gadjah Mada University. Acid soil with low P availability used was from sub-district Cigudeg and Jasinga, West Java. The research was arranged in Randomized Complete Block Design (RCBD) with 2 factors. The first factor was maize cultivar, namely Bisi 2 and Pioneer 35. The second factor was the rate of humic acid and NPK fertilizer, consisting of 0 kg.ha-1 (without) NPK and 0% (without) humic acid, NPK + 0% (without) humic acid, NPK + 5% humic acid, NPK + 10% humic acid, and NPK + 15% humic acid. NPK fertilizer applied was NPK 16:16:16 at a dose of 350 kg.ha-1. The results showed that humic acid application on acid soil increased C-humic content in the soil, soil P availability, total dry weight of the plant, and kernel dry weight at harvest (15 weeks after planting). The increase in soil P availability did not improve the plant growth but increased the accumulation of plant biomass.  The application of humic acid at 15% (52.5 kg.ha-1) combined with NPK fertilizer on acid soil significantly increased total dry weight of plant and kernel dry weight up to 13.14% and 21.81%, respectively, thus, it is recommended for maize cultivation on acid soil. 
Effect of humic acid on the growth and yield of two maize (Zea mays L.) cultivars on andisol Tangguh Prakoso; Endang Sulistyaningsih; Benito Heru Purwanto
Jurnal Ilmu Pertanian Vol 5, No 1 (2020): April
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (43.008 KB) | DOI: 10.22146/ipas.36935

Abstract

One way to improve maize (Zea mays L.) production is through land extension using Andisol land. However, Andisol soil has phosphate (P) fixation problem due to the high amorphous material. Hence, the use of organic material in the form of humic acid that has greater affinity to amorphous minerals is recommended to solve the problem. This research was conducted in February-May 2017 at Tri Dharma field of Faculty of Agriculture, Universitas Gadjah Mada. The Andisol land used has a low available P category from Datar, West Java and Wonosobo, Central Java. This research was arranged in a Randomized Complete Block Design (RCBD), consisting of two factors. The first factor was maize cultivar (Bisi-2 and Pioneer-35). The second factor was the doses of humic acid, consisting of control treatment (without fertilizer and humic acid), NPK without humic acid, and NPK + humic acid at 5%, 10%, and 15%. The percentage of humic acid given, based on the amount of NPK 16:16:16 fertilizer, was 350 kg.ha-1. Fertilization was applied three times 100 kg.ha-1 on 1 WAP, 150 kg.ha-1 at 3 WAP and 100 kg ha-1 at 7 WAP. The results is, humic acid treatment had the same effect with NPK fertilization treatment only and control on P available Andisol soil. Humic acid, also has the same effect with NPK fertilizer treatment in increasing the yield component of 100 seeds weight, dry weight of seeds, harvest index, length of cobs and productivity.
Effect of salted fish waste and cow manure on NPK availability and uptake of lowland rice on peat soil in Pelalawan Riau Dian Syafitri Ompusunggu; Benito Heru Purwanto; Cahyo Wulandari; Sri Nuryani Hidayah Utami
Jurnal Ilmu Pertanian Vol 5, No 1 (2020): April
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.47281

Abstract

The low yield of rice in thick peat can be overcome by provisioning complete nutrients. Various efforts have been made to increase the productivity of Indonesian peatlands, one of which is by adding salted fish waste and cow manure. This research was carried out on a plastic house scale from October 2017 to January 15, 2018, in Pelalawan District, Pelalawan Regency, Riau. This research was arranged in a Completely Randomized Design (CRD), consisting of eight treatments, namely L0 = Control, L1 = 1.5 ton.ha-1 of fish waste, L2 = 2.25 ton.ha-1 of fish waste, L3 = 7 tons/ha of cow manure, L4 = 15 ton.ha-1 of cow manure, L5 = 1.5 ton.ha-1 of fish waste + 7 ton.ha-1 of cow manure, L6 = 1.5 ton.ha-1 of fish waste + 15 ton.ha-1 of cow manure, L7 = 2. 25 ton.ha-1 of fish waste + 7 ton.ha-1 of cow manure, and L8 = 2.25 ton.ha-1 of fish waste + 15 ton.ha-1 of cow manure. The results showed that the application of cow manure and salted fish waste could increase soil pH, total NPK, and NPK uptake. The application of 2.25 tons/ha of fish waste and 15 tons/ha of cow manure resulted the best results in soil pH, total NPK, and NPK uptake, therefore it is recommended for the cultivation of lowland rice on peat soil.
Physico-Chemical Properties of Volcanic Soils under Different Perennial Plants from Upland Area of Mt. Merapi, Indonesia Retno Kartikawati; Eko Hanudin; Benito Heru Purwanto
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 7, No 1 (2019)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2019.098.93-102

Abstract

Vegetation recovery is essential in land restoration after the eruption of Mount Merapi in 2010. Vegetation is a source of organic material that produces root exudate containing organic acids. These acids accelerate the dissolution process of volcanic material so that it affects the soil characteristics. This study was conducted to analyze the effect of four types of perennial plants on soil chemical and physical characteristics. The soil samples were taken on the area planted with cinnamon, albizia, bamboo, and acacia, at depths of 0 – 10 cm, 10 – 20 cm, 20 – 30 cm, 30 – 40 cm, and 40 – 50cm. The soil chemical analysis carried out included pH H2O, pH KCl, pH NaF, C-organic, Humic acid and Fulvic acid, cation exchange capacity, Ca, Mg, K, Na, available P, base saturation, and particle size distribution. The results show that pH H2O, pH KCl, C-organic, humic acid and fulvic acid, CEC, K, Na, Ca, Mg, available P, base saturation, and particle size distribution were significantly affected by vegetation type. Meanwhile, the pH of NaF was not significantly influenced by vegetation type. Cinnamon is a plant that gives the strongest influence in the improvement of soil chemical-physical properties compared to the other three types of vegetation. Therefore cinnamon is quite prospective plant to be developed for post-eruption land reclamation.
Pengaruh Nitrogen dan Silika terhadap Pertumbuhan dan Perkembangan Spodoptera litura (Lepidoptera: Noctuidae) pada Kedelai Dina Wahyu Trisnawati; Nugroho Susetya Putra; Benito Heru Purwanto
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 5, No 1 (2017)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2017.071.52-61

Abstract

A study was conducted to establish the indirect effects of nitrogen (N) and silicon (Si) on the growth and development of Spodoptera litura on soybean. A full-factorial experiment was arranged in 4x2 factors: first factor was nitrogen with varied doses of 0, 25, 50, and 100 kg/ha; second factor was silicon at 0 and 200 g/m2. The results demonstrated that the application of N and Si indirectly affected the growth and development of S. litura including leaves consumed, weight of larvae, weight of pupal, fecundity and survivorship. In addition, combination of nitrogen and silicon also affected the growth and development of soybean as evidenced by the decreased absorption of Si by soybean following the application of N, while the application of Si combined with high nitrogen doses decreased the absorption of Si. It was also observed that the effect of N was not significant on the growth and development of S. litura.  The application of Si with the high N doses, however, decreased the growth and development of S. litura. It is, therefore, concluded that the mechanism of relationship between N and Si on S. litura could not be explained only by quantifying the absorption value of N and Si.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Syukur Adileksana, Cahyo Aji, Krishna Amalia Tetrani Sakya Andy Wijanarko Andy Wijanarko Anna Kusumawati Aridinasty Maritasari ARIFIN FAHMI Arifin Fahmi Arifin Fahmi Arifin Fahmi Arifin Fahmi Fahmi Azwar Ma'as Azwar Maas Azwar Maas Azwar Maas Azwar Maas Azwar Ma’as Azwar Ma’as Bambang Hendro Sunarminto Bambang Hendro Sunarminto Bambang Hendro Sunarmito BASUKI BASUKI Bayu Dwi Apri Nugroho Bimantara, Putu Oki Bostang Radjagukguk Bostang Radjagukguk Bostang Radjagukguk Bostang Radjagukguk Bostang Radjagukguk Bostang Radjagukguk Cahyo Wulandari Cahyono Agus Christoporus Sudradjat Widiarso Darfis, Irwan Darusman Darusman Dewi Hs, Endang Sri Dian Syafitri Ompusunggu Didik Indradewa Didik Indradewa Dina Wahyu Trisnawati Djaka Marwasta Eka Tarwaca Susila Putra Eka Tarwaca Susila Putra Eka Tarwaca Susilaputra Eko Hanudin Eko Hanudin Eko Hanudin Eko Hanudin Eko Hanudin Eko Hanudin Hanudin Endang Sulistyaningsih Eni Maftu’ah Eni Maftu’ah Eny Faridah Erni Romansyah Fahmi, Arifin Fahmi Fajarini, Permata Harty Noor Hanudin, Eko Hanudin Heri Wibowo Hermania, Pradysta Maya Herviyanti Herviyanti Husen, Edi Ilmiah , Haviah Hafidhotul Imas Masithoh Devangsari, Imas Masithoh Indradewa, Didik Kartikawati, Retno Keitaro Tawaraya Kimani, Samuel Munyaka Kusumawardani, Patria Novita Lilian Rizkie Maas, Azwar Maftukhah, Rizki Maftu’ah, Eni Mahyudi Mahyudi, Mahyudi Maimunah, Margi Asih Makruf Nurudin Makruf Nurudin Margi Asih Maimunah Maulana, Amsar Miranti Dian Pertiwi Mulyono Nitisapto MULYONO, NITISAPTO Nugroho Susetya Putra Nugroho Susetya Putra Nur Indah Mansyur Prapto Yudono Prapto Yudono Prapto Yudono Putra, Nugroho Susetya Putri Wulandari Putu Sudira Putu Sudira Putu Sudira R. Sapto Hendri Boedi Soesatyo Ramdhana Karimah Retno Kartikawati Rudi Hari Murti Rudi Hari Murti Sabri, Riza Kurnia Santika Sari Shiddieq Shiddieq, Dja’far SIGIT SUPADMO ARIF Sri Dewi HS, Endang Sri Hartati Sri Nuryani Hidayah Utami Sri Nuryani Hidayah Utami Sri Nuryani Hidayah Utami Sri Nuryani Hidayah Utami Sri Nuryani Hidayah Utami Sri Nuryani Hidayah Utami Sri Redjeki Stephen Harper Suci Handayani Sukristiyonubowo, Sukristiyonubowo Supriyanto Notohadisuwarno Syamsul Arifin Tangguh Prakoso Tanjung, Ellsya Tatalia Augustin Putri Teguh Budi Prasetyo Totok Gunawan Toyip Toyip Toyip Toyip, Toyip Tri Mulya Hartati Utami, Asih Indah Valensi Kautsar, Valensi Vira Kusuma Dewi Weiguo Cheng, Weiguo Wijanarko, Andy Wiji Safitri Wijoyo, Rachmanto Bambang Wiratama, Ristiya Adi Yoga Yuniadi Yuli Lestari Zalfa Amelia