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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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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 | 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 | 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 | 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.
Adsorption and release of soil P in andisols under organic and conventional vegetable farming system Aridinasty Maritasari; Benito Heru Purwanto; Sri Nuryani Hidayah Utami
Jurnal Ilmu Pertanian Vol 7, No 2 (2022): August
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.68740

Abstract

Phosphorous (P) is strongly adsorbed by soil components, such as soil organic matter and soil amorphous minerals in Andisols, which have been identified as an influential factor in adsorption and release of soil P. The aim of this study was to characterize the pattern of soil P adsorption and release in both organic and conventional vegetable farming systems in Merbabu Mountain area, Indonesia. Soil samples were collected from soil layers (0 cm to 20 cm and 20 cm to 40 cm) in organic and conventional farming systems. The result showed that the highest adsorption rate was found in organic farming systems at a depth of 20 cm to 40 cm. The lowest adsorption rate was found in conventional farming systems with low input of organic matter at a depth of 20 cm to 40 cm. A higher rate of P release was also found in organic farming systems with a low input of organic matter. It can be concluded that vegetable soils in organic farming systems are not only highly capable of adsorbing P but also capable of releasing P rapidly.
Chemical Properties and Micromorphology of Biochars Resulted from Pyrolysis of Agricultural Waste at Different Temperature Nur Indah Mansyur; Eko Hanudin; Benito Heru Purwanto; Sri Nuryani Hidayah Utami
AGRIVITA, Journal of Agricultural Science Vol 44, No 3 (2022)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i0.3085

Abstract

Biochar quality is influenced by the type of its raw material and pyrolysis temperature. Nevertheless, the quality criteria of biochar as a nutrient carrier remain unanswered. This study aimed to find the chemical properties, micromorphology, and optimum pyrolysis temperature from various agricultural wastes to obtain good biochar as a nutrient carrier. This experiment was conducted at three level temperatures: 400, 500, and 600°C, and the raw materials were coconut shells, oil palm shells, and corn stalks. The chemical and physical properties of biochar were: pH-H2O, OC, CEC, total N, P, K, Mg, Ca, and Na, ash, functional groups, amorphous carbon, morphology, and SSA. The results show that the coconut shells and oil palm shells biochars contained high levels of N-total and the chain-C aromatic, and the pore structure was solid and regular. Corn stalks biochar containing ash is high, and C-aromatic is low and fragile. Increased temperature of pyrolysis produced well-crystallized minerals. It is concluded that 500°C is the optimum temperature for oil palm shells pyrolysis resulting in biochar with the highest C-aromatic structure and arrangement of pores which are strong, regular and uniform, and high stability, but the nutrient content was low.
Adsorption and release of soil P in andisols under organic and conventional vegetable farming system Aridinasty Maritasari; Benito Heru Purwanto; Sri Nuryani Hidayah Utami
Jurnal Ilmu Pertanian Vol 7, No 2 (2022): August
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.68740

Abstract

Phosphorous (P) is strongly adsorbed by soil components, such as soil organic matter and soil amorphous minerals in Andisols, which have been identified as an influential factor in adsorption and release of soil P. The aim of this study was to characterize the pattern of soil P adsorption and release in both organic and conventional vegetable farming systems in Merbabu Mountain area, Indonesia. Soil samples were collected from soil layers (0 cm to 20 cm and 20 cm to 40 cm) in organic and conventional farming systems. The result showed that the highest adsorption rate was found in organic farming systems at a depth of 20 cm to 40 cm. The lowest adsorption rate was found in conventional farming systems with low input of organic matter at a depth of 20 cm to 40 cm. A higher rate of P release was also found in organic farming systems with a low input of organic matter. It can be concluded that vegetable soils in organic farming systems are not only highly capable of adsorbing P but also capable of releasing P rapidly.
Distribution of soil morphology and physicochemical properties to assess the evaluation of soil fertility status using soil fertility capability classification in North Galela, Indonesia Tri Mulya Hartati; Bambang Hendro Sunarminto; Sri Nuryani Hidayah Utami; Benito Heru Purwanto; Makruf Nurudin; Krishna Aji
Journal of Degraded and Mining Lands Management Vol 10, No 3 (2023)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2023.103.4405

Abstract

One of the indicators of land productivity assessment is soil fertility. The causes of infertile soil have been widely reported. This study aimed to evaluate soil fertility using the Soil Fertility Capability Classification (SFCC) approach and to determine the relationship between soil morphological and physiochemical properties and soil fertility. The research was conducted in North Galela Sub-district, North Halmahera Regency. The research framework began with the interpretation of thematic maps, surveys, field observations, and the making of soil fertility evaluation maps. Soil sampling was carried out based on the stratified random sampling method and supported by laboratory measurements according to USDA international standards. The research result showed that the research area had 14 soil fertility statuses. The fertility classes having the most significant limiting factor were loamy texture (Ø<0.002 mm), rock surface, gravel subsoil, moderate salinity (0.2-0.4 mS cm-1), low exchangeable K (<20 cmol(+) kg-1), and sloping slope (8%) with Lithic Haprendolls type and loamy texture (Ø<0.002 mm), subsoil >15% rock outcrop, moderate salinity (0.2-0,4 mS cm-1), Na saturation >15%, and a rather steep slope (14%) with Lithic Eutrudepts type. Both of these classes have a top layer texture, and the bottom layer contains clay <35%, with limiting factors of hard layer inhibiting root to a depth of 50 cm, extremely low nutrient reserve, low electrical conductivity (EC) and high Na. The limiting factors found in North Galela Sub-district were hard root-restricting layer, exchangeable K, electrical conductivity, Na saturation, slope, and gravel.
Pengaruh Dosis dan Jenis Aplikasi Boron terhadap Tingkat Layu Pentil (Cherelle wilt) Tanaman Kakao Endang Sri Dewi HS; Prapto Yudono; Eka Tarwaca Susila Putra; Benito Heru Purwanto; Toyip Toyip
AGROSCRIPT: Journal of Applied Agricultural Sciences Vol 5 No 1 (2023): June
Publisher : Universitas Perjuangan Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36423/agroscript.v5i1.1219

Abstract

Cherelle wilt merupakan penyakit fisiologis pada tahap awal perkembangan buah kakao karena kegagalan perkembangan buah. Salah satu unsur yang diduga kuat menjadi penyebab adalah unsur boron yang ketersediannya sangat penting bagi tanaman karena berperan dalam perkembangan sel, metabolisme protein, asam amino, nitrat, lemak, karbohidrat, auksin dan fenol, fungsi membran, berperan dalam keberhasilan pembentukan bunga, pembuahan dan perkembangan buah. Tujuan penelitian untuk mengkaji dan meneliti tentang pengaruh boron terhadap layu pentil kakao. Penelitian dirancang menggunakan rancangan Randomized Complete Block Design (RCBD) dimana faktor A terdiri dari metode aplikasi pupuk yaitu lewat daun dan lewat tanah sedangkan faktor B adalah takaran pemberian boron yang terdiri dari tanpa pemberian pupuk , pemberian boron 1,5 g.pohon-1, 3 g. Pohon-1, 4,5 g.pohon-1 dan 6 g.pohon-1 setiap perlakuan diulang tiga kali, setiap ulangan terdiri dari 5 tanaman sehingga kombinasi perlakuan menjadi 2 x 5 x 3 x 5 = 150 tanaman. Parameter yang diamati adalah Boron total daun, viabilitas pollen, total pentil yang terbentuk, persentase pentil sehat, dan pentil layu. Hasil menunjukkan bahwa metode aplikasi pupuk boron berpengaruh terhadap layu pentil kakao. Metode aplikasi boron lewat daun dengan dosis 0, 4,5 dan 6 g.tanaman-1 memberikan nilai pentil layu yang lebih tinggi. Sedangkan metode aplikasi boron lewat daun dosis 1,5, dan 3 g.tanaman-1 serta metode aplikasi lewat tanah dosis 6 g.tanaman-1 memberikan persentase pentil sehat yang lebih tinggi. Metode aplikasi lewat daun dengan dosis 3 g.tanaman-1 adalah dosis maksimal yang mampu memberikan hasil tertinggi terhadap viabilitas pollen, jumlah buah, dan persentase pentil sehat.
IDENTIFICATION OF HIGH-TEMPERATURE TOLERANCE OF SOME POTATO VARIETIES BASED ON STRESS TOLERANCE INDICE AND CLUSTER ANALYSIS Miranti Dian Pertiwi; Endang Sulistyaningsih; Rudi Hari Murti; Benito Heru Purwanto
Agric Vol. 34 No. 1 (2022)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2022.v34.i1.p79-88

Abstract

Potato self-sufficiency in Indonesia faces three main problems: rising air temperatures, limited availability of low-temperature land suitable for potato cultivation, and lack of high-temperature tolerant potato varieties. Therefore, it is necessary to identify the tolerance of potato variety to high-temperature. This research was conducted in two locations: the optimum temperature location and the high-temperature location, using nine varieties, are Agria, Andina, Amabile, Cingkariang, Granola L, Granola K, Margahayu, Olympus, and Tedjo-MZ. The study design uses a split plot with three replications. Differences in temperature as the main plot and varieties as subplots. Parameters observed were air temperature, growth, and yield of potato tubers. The analysis carried out were the Stress Sensitivity Index (SSI), Stress Tolerance Index (STI), Yield Stability Index (YSI), and Cluster Analysis. The results showed that there were no tolerant to high-temperature varieties. Based on the STI, only Olympus was a medium tolerant of high temperatures. Based on the Stress Sensitivity Index (SSI), four varieties are moderately susceptible to high temperatures (Olympus, Andina, Cingkariang, and Margahayu). The YSI analysis shows the same results as the SSI. The cluster analysis results showed harmony between the results of the stress index analysis and cluster analysis. Nine varieties had a high similarity (87.3%), meaning that all varieties had the same characteristics and less tolerance to high temperatures. Olympus was the more tolerant variety to high temperatures, followed by Andina, Cingkariang, and Margahayu. The four varieties consider promising potato lines in high-temperature areas.
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 Arif Mustofa Arifin Fahmi ARIFIN FAHMI Arifin Fahmi Arifin Fahmi Arifin Fahmi Fahmi Azwar Ma&#039;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 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 Karimah, Ramdhana 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 Maulana, Amsar Miranti Dian Pertiwi Mulyono Nitisapto MULYONO, NITISAPTO Nugroho Susetya Putra Nugroho Susetya Putra Nur Indah Mansyur Pambayun, Lintang Panjali Siwi Prapto Yudono Prapto Yudono Putra, Nugroho Susetya Putri Wulandari Putu Sudira Putu Sudira Putu Sudira R. Sapto Hendri Boedi Soesatyo Retno Kartikawati Rudi Hari Murti Rudi Hari Murti Sabri, Riza Kurnia Santika Sari Shiddieq Shiddieq, Dja’far SIGIT SUPADMO ARIF 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 Susilaputra, Eka Tarwaca Syamsul Arifin Tangguh Prakoso Tanjung, Ellsya Tatalia Augustin Putri Teguh Budi Prasetyo Totok Gunawan 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