Maya Melati
Departemen Agronomi Dan Hortikultura, Fakultas Pertanian, Institut Pertanian Bogor (Bogor Agricultural University), Jl. Meranti, Kampus IPB Darmaga, Bogor 16680, Indonesia

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Pertumbuhan Tithonia diversifolia dengan Dosis Pupuk Kandang dan Jarak Tanam yang Berbeda Desyrakhmawati, Lia; Melati, Maya; ,, Suwarto; Hartatik, Wiwik
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 43 No. 1 (2015): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (645.092 KB) | DOI: 10.24831/jai.v43i1.9595

Abstract

Mexican sunflower (Tithonia diversifolia) is a invansive weed but it can be used as continuous and on-farm source of nutrient for organic farming system. The objective of this study was to investigate growth and biomass production of T. diversifolia with different rates of chicken manure and plant spacings. The experiment was conducted at Cikarawang, Bogor, on Inceptisol soil type, from October 2011 until January 2012. The experiment was arranged in a randomized block design with 2 factors and 3 replications. The rates of chicken manure were  0, 2.5, 5 and 10 ton ha-1, while the plant spacings were 50 cm x 50 cm and 75 cm x 75 cm. The interaction effect between manure rates and plant spacing was significant on nett assimilation rate at 4-8 weeks after planting, but it was not significant on biomass production. The highest dry weight of biomass (1,129.1 kg ha-1) was obtained from the addition of 10 ton chicken manure ha-1 with the potential contribution as much as 55.47 kg N, 4.54 kg P, 88.54 kg K per hectare. The highest dry weight of biomass produced with planting distance 50 cm x 50 cm (897 kg ha-1). Referring to the results, it can be recommended that the cultivation of T. diversifolia at the first planting needs 10 ton chicken manure ha-1 and the planting distance of 50 cm x 50 cm.Keywords: biomass production, Mexican sun flower, nett assimilation ratio, nutrient contributio, weed
Penentuan Dosis Optimum Pemupukan N, P, dan K pada Tanaman Kacang Bogor [Vigna subterranea (L.) Verdcourt] Lestari, Sri Ayu Dwi Ayu Dwi; Melati, Maya; Purnamawati, Heni
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 43 No. 3 (2015): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (346.532 KB) | DOI: 10.24831/jai.v43i3.11244

Abstract

ABSTRACTBambara groundnut is considered tolerant to drought and unfertile soil; therefore, has higher potential to be cultivated. The average yield of dry pod weight from agricultural fields in Indonesia is still low (< 4 ton ha-1); hence, the cultivation technique must be improved. Fertilizer is the main input to increase yield of Bambara groundnut, but the optimum rates of N, P, and K have not been determined. Therefore, the objectives of the research were to determine the optimum rate of N, P, and K fertilizer for Bambara groundnut production. Three parallel experiments were conducted at Cikarawang Experimental State, Dramaga, Bogor from March to July 2013. Each experiment tested different rates of N or P or K fertilizer with compeletely randomized block design and three replications. The fertilizer rates were 0, 50, 100, 150, and 200% of recommendation rate (100% N = 100 kg Urea ha-1, 100% P = 150 kg SP-36 ha-1, 100% K = 75 kg KCl ha-1). The results showed that leaf P content increased linearly with N fertilizer application. Leaf N content linearly decreased with P fertilizer application. Leaf P content and shoot dry weight quadratically increased with K fertilizer application. The optimum rates of N and P fertilizer was unable to be determined due to insignificant response of several variables. Optimum rate of K fertilizer ranged 86.4-118.95 kg KCl ha-1.Keywords: leaf nutrients, multi nutrient response, recommendation rate
Pengurangan Dosis Pupuk pada Produksi Sawi Hijau Organik dengan Pergiliran Tanaman Jagung dan Kedelai Kurniawati, Ari; Melati, Maya; Aziz, Sandra Arifin; Purwono, dan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 45 No. 2 (2017): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (292.111 KB) | DOI: 10.24831/jai.v45i2.12961

Abstract

          The application of organic fertilizer and crop rotation are combination of cultivation system integrally to preserve land fertility. This study aimed to determine the effect of crop residues produced in the first season to reduce organic fertilizer rate for mustard greens cultivation in the second season. The experiment was conducted at IPB organic farm, Cikarawang, Darmaga in April until June 2015. The first season was the first experiment conducted separately for soybean and corn to study different manure types for both crops which the rate of each manure was 20 ton ha-1 for soybean and 25 ton ha-1 for corn. Soybean and corn residues were used in the following season on mustard green cultivation. The experimental design was split plot design with crop residues as main plot, and combination of manure types (chicken, cow, goat) and rates (0, 10 ton ha-1) as sub plot. Data were analyzed using variance. Means were statistically compared with Tukey test at α < 0.05 level. The results showed that the soybean and corn residues can be used as nutrient sources for mustard greens cultivation. The application of manure was not necessary for mustard greens cultivation if soybean or corn residues were added in the second season and there was residues from manure in the first season.Keywords: chicken manure, cow manure, crop residue, goat manure
Hasil dan Kualitas Okra (Abelmoschus esculentus L. Moench.) Merah dan Okra Hijau dengan Jenis Pupuk yang Berbeda Manik, Auhge Eva Sari; Melati, Maya; Kurniawati, Ani; Faridah, dan Didah Nur
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 1 (2019): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (351.552 KB) | DOI: 10.24831/jai.v47i1.22295

Abstract

Okra fruit contains phenolic compounds as natural antioxidant. The aim of this research was to analyze the effect of different types of fertilizers on production and quality of two okra varieties. The experiment was conducted in October 2017 to February 2018 at Bogor Agricultural University experimental field at Leuwikopo, Darmaga, Bogor (-6033’49.3”SL, 106043’30.7’’EL). The experiment used nested randomized complete block design with 2 factors and 4 replications. The first factor consisted of two okra varieties with different colour (red and green okra). The second factor was fertilizer types consisted of no fertilizer, organic (cow manure), combination of organic + inorganic, and inorganic fertilizer. The results showed that fertilizer types significantly affected plant height and fruit N content but did not affect fruit production. Red okra had a higher plant height, lower number of leaves and leaf K content than those of the green okra. The interaction effect of both factors was significant on total phenolic content in fruit and P content in leaf. The highest total phenolic content in fruit was showed by red okra with inorganic fertilizer, although it was not significantly different to those of red okra with combination organic + inorganic fertilizer, and also to green okra with organic fertilizer. The highest P content in leaf was found in red okra without fertilizer, however it was not significantly different to red okra with combination organic + inorganic fertilizer, green okra with organic fertilizer, and green okra with inorganic fertilizer.Keywords: inorganic fertilizer, leaf nutrient, organic fertilizer, phenolic compound
Keragaman Kualitas Buah pada Dua Varietas Okra (Abelmoschus esculentus L. Moench) dari Umur Panen Berbeda Aplugi, Dewie Maria Agustien; Melati, Maya; Kurniawati, Ani; Faridah, dan Didah Nur
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 2 (2019): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (371.947 KB) | DOI: 10.24831/jai.v47i2.25653

Abstract

Okra (Abelmoschus esculentus L. Moench) is a functional vegetables that has high economic value and it is usedas health purposes due to high bioactive compounds and dietary fiber contents. Okra pod is gradually harvested followsflowering time. The purpose of this study was to evaluate the effect of harvest age on Nitrogen (N), Phosphorus (P), Potassium(K), pigment and phenolic contents of two okra varities. The experiment was conducted from October 2017 to February 2018at IPB experimental station in Leuwikopo, Dramaga, Bogor. The experimental field is located at ± 185 m asl with 6033’49.3”S and 106043’30.7” E. The experiment used single factor, namely harvest time, in randomized complete block nested in factorof okra variety with 4 replicates. The varieties of okra were Zahira (red okra) and Naila (green okra), while harvest agesconsisted of 5, 7, 9, and 11 days after the anthesis (DAA). The results of the study showed significant effect of harvest age onN, P, anthocyanin and phenolic contents. Okra pod harvested at 5 DAA, had the highest N, P and anthocyanin levels; whilethe highest phenolic level was obtained from okra pod harvested at 7 DAA. There were interactions effect between harvesttime and okra varieties on chlorophyll and carotenoid contents. The red okra harvested at 5 DAA had the highest content oftotal chlorophyll (536.83 μg g-1) and carotenoid (147.79 μg g-1).
Kajian Berbagai Pola Tanam terhadap Peningkatan Produktivitas Jagung dan Kedelai dengan Berbagai Varietas Jagung Sari, Siti Hapita; Ghulamahdi, Munif; Suwarno, Willy Bayuardi; Melati, Maya
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 48 No. 3 (2020): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (407.862 KB) | DOI: 10.24831/jai.v48i3.32267

Abstract

The reduction in agricultural land due to land conversion has encouraged several technological innovations in cultivation systems, including intercropping planting patterns. The study aimed to study various intercropping patterns with several varieties of maize which can increase production. The research was conducted at the Sawah Baru Experimental Station of the IPB University, Darmaga, Bogor, from November 2018 to February 2019 using a split-plot design with three replications. The main plot was the cropping systems, consisting of monoculture, single-row intercropping, double-rows intercropping, and triple-rows intercropping. The subplot was the maize varieties, consisting of Sukmaraga, Bima 19, and BISI 2. Regression and correlation analyses were carried out to determine the relationship between microclimate and productivity. The results showed that the productivity of maize and soybean was affected by the interaction between cropping patterns and varieties. The highest productivity of maize was obtained from the intercropping pattern of double rows of BISI 2 maize (7.33 ton ha-1), while the lowest maize productivity was in the intercropping pattern of a single row of Bima 19 maize (2.93 ton ha-1). The highest productivity of soybean was obtained from the intercropping cropping pattern of a single row of BISI 2 maize. The effect of microclimate on various cropping patterns with productivity in this study was a little. Land equivalent ratios (LER) in all treatments were greater than 1 except for intercropping 1 row of Bima 19 maize, indicating that intercropping can increase land productivity. Keywords: cropping pattern, intercropping, land equivalent ratio (LER), maize varieties
Respon Morfologi dan Fisiologi Lima Varietas Padi pada Pemberian Pupuk Organik Diperkaya Mikroba Adwiyani, Pustika; Sugiyanta; Maya Melati; Titi Candra Sunarti
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 50 No. 1 (2022): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (388.127 KB) | DOI: 10.24831/jai.v50i1.39426

Abstract

Pupuk organik diperkaya mikroba sebagai sumber bahan organik tanah berperan menjaga kesuburan lahan dan produktivitas tanaman. Beragam varietas memiliki respon yang berbeda pada pemupukan organik. Penelitian ini bertujuan mempelajari respon morfologi dan fisiologi lima varietas padi pada pemberian pupuk organik diperkaya mikroba. Percobaan dilakukan pada bulan Juli 2020 sampai dengan Januari 2021 di Kebun Percobaan Sawah Baru, Fakultas Pertanian, Institut Pertanian Bogor. Percobaan dilakukan dalam rancangan petak terbagi dengan petak utama adalah empat dosis pupuk organik diperkaya mikroba yaitu 0, 10, 20, dan 30 ton ha-1 dan anak petak adalah lima varietas padi yaitu IPB 3S (padi tipe baru), Inpari 24 (inbrida beras merah), Hipa 18 (hibrida), Inpari 32 (varietas unggul baru), dan Tarabas (japonica). Hasil penelitian menunjukkan aplikasi pupuk organik diperkaya mikroba dapat meningkatkan tinggi tanaman, jumlah anakan, bobot kering akar, bobot kering tajuk, kehijauan daun, jumlah gabah total per malai, dan anakan produktif. Produktivitas gabah yang dihasilkan setelah pemberian 10 hingga 30 ton ha-1 pupuk organik diperkaya mikroba meningkat sebesar 12.91% hingga 32.5%. Aplikasi pupuk organik diperkaya mikroba hingga 30 ton ha-1 masih dapat meningkatkan produktivitas gabah per hektar, sehingga dosis optimal penggunaan pupuk organik diperkaya mikroba belum dapat ditentukan. Kata kunci: hibrida, kehijauan daun, mikroba, serapan hara, varietas unggul baru
Relay-cropping soybean-maize in saturated soil culture increases efficiency of land use and nitrogen fertilizer Suntari; Ghulamahdi, Munif; Maya Melati
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 51 No. 1 (2023): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (376.193 KB) | DOI: 10.24831/ija.v51i1.44905

Abstract

Relay-cropping in saturated soil cultivation could increase land efficiency, but its effect on land use and nitrogen fertilizer efficiency is unclear. The research objective was to evaluate the land productivity of the relay-cropping system by calculating the land equivalent ratio (LER) and the effectiveness of nitrogen fertilizer, and by determining the effect of previous soybean biomass. The experiment was arranged in a three-factor randomized complete block design. The first factor was the cropping patterns of soybean and maize, i.e., relay-cropping soybean-maize and maize monoculture. The second factor was the maize varieties, i.e., Pioneer 27 and Sukmaraga. The third factor was the application of N fertilizer with 4 doses: 0, 50, 100, and 150 kg ha-1. The results showed that the application of soybean biomass increased maize yield by 7.24%. Pioneer 27 produced a higher yield than Sukmaraga, and the dose of N fertilizer of 150 kg ha-1 resulted in the highest yield of 7.50 tons ha-1. The highest LER of 1.85% was achieved in the relay-cropping by applying N fertilizer 150 kg ha-1. The experiment concludes relay-cropping after soybean save land by about 85% and save N fertilizer by 33.3%. The reduction of N fertilizer application by 33.3% (100 kg N ha-1) reduced corn cob productivity by 13.3%, and is not significantly different from 150 kg N ha-1. Keywords: chlorophyll, LER, plant residue
Pruning and additional fertilizer applications affect morphophysiological characters and flavonoid content of winged bean Tustiyani, Isna; Melati, Maya; Aziz, Sandra Arifin; Syukur, Muhammad; Faridah, Didah Nur
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 51 No. 1 (2023): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (340.303 KB) | DOI: 10.24831/ija.v51i1.46034

Abstract

Excessive leaf production in winged bean may delay the flowering time and reduces the yield, therefore, shoot pruning and additional fertilizer were applied in order to improve yield. The research was carried out at Leuwikopo Experimental Station, IPB University, Bogor from January to July 2022. The study used a randomized complete block design with 2 factors and three replications. The first factor was three types of shoot pruning, namely without shoot pruning, shoot pruning at 15, and 30 cm height. Pruning was conducted at 7 weeks after transplanting (WAT). The second factor was four doses of fertilizers (0, 6.25, 12.5, and 18.75 g of NPK (16-16-16) per plant). The additional fertilizer was given every two weeks from 7 until 15 WAT. The variables observed were the morphophysiological characters, shoot auxin levels, plant nutrient levels, pod yield, pod number, and pod flavonoid content. The results showed that plant’s biomass increased with additional fertilizer, lower relative growth rate and higher auxin content was from 15 cm pruning. The interaction of two factors affected flowering time and flavonoid content. Shoot pruning and 6.25 g NPK delayed flowering by 0.7-1 day. The highest flavonoid content was found in the plant without pruning and additional fertilizer. Plant yields were not significantly affected by treatments. Keywords: auxin; flavonoid content; flowering time; leaf nutrient; young pods
Growth and production of soybean on different inoculant sources of arbuscular mycorrhizal fungi and water saturation periods Sefrila, Marlin; Munif Ghulamahdi; Purwono, Purwono; Maya Melati; Irdika Mansur
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 51 No. 1 (2023): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (328.251 KB) | DOI: 10.24831/ija.v51i1.46041

Abstract

Production expansion to suboptimal areas such as tidal land through the application of integrated land management technology is an effort to increase soybean production in Indonesia. The study aimed to evaluate the morphophysiological response of soybean treated with arbuscular mycorrhizal fungi (AMF) inoculation and duration of water saturation in tidal land. The study was conducted in April-October 2021 in the plastic house of the Research Field of the Faculty of Agriculture, Sriwijaya University, Palembang. The experiment used a randomized complete block design with two factors and 3 replications. The first factor was the source of AMF propagations (without inoculations, corn inoculants, soybean inoculants, sugarcane inoculants, and soybean-sugarcane inoculants). The second factor was the water saturation periods (0, 2, and 4 months since planting), so there are 15 treatments. The results showed that the interaction between the inoculant sources and the duration of water saturation had no significant effect on all parameters. The inoculant propagated in the media of sugarcane produced the highest effect as compared to other treatments. The water saturation for 2 or 4 months since planting gave soybean plants a better morphophysiological response than conventional cultivation. Keywords: AMF inoculants; morphophysiology; saturated soil culture; soybean
Co-Authors , Hariyadi -, Bachtiar A.A. Ketut Agung Cahyawan W Adwiyani, Pustika AHMAD JUNAEDI Ahmad Nur Hidayat Gena Ari Ai Asiah Alce Ilona Noyaa Alifiya Herwitarahman Ani Kurniawati Aplugi, Dewie Maria Agustien Ari, Ahmad Nur Hidayat Gena Arinal Haq Izzawati Nurrahma Arinal Haq Izzawati Nurrahma Atang Sutandi Atika Romalasari Bachtiar Bachtiar Bambang S. Purwoko Bayu Aditya Sinuraya Danner Sagala Delyani, Rista Denti Dewi Gatari Devi Rianawati Didy Sopandie Dwi Guntoro Dwiwanti Sulistyowati Efendi, Darda Eman Ayu Sasmita Jati, Gusti Etty Pratiwi, Etty Fajri, Atikah Faqih Udin Faridah, dan Didah Nur Febjislami, Shalati Fhonna, Tasya Nurizki Fitri Galih Kurnia Fred Rumawas Hanessa Putry, Regata Ringga Hartini Kilbaren, Muji Haryanto, Pesol Hasan, Fardyansjah Herik Sugeru Hilda Susanti Hilda Susanti Ilona Noyaa, Alce IPG Widjaja Adhi Irdika Mansur Irdika Mansur Irsyad, Reza Fathianto Iskandar M. Lapanjang Isna Tustiyani Isna Tustiyani Jamil, Anna Moslihat Juang Gema Kartika Justika S Baharsjah Karimuna, Siti Rahmah Kurnia, Fitri Galih Kurniawati, Ari Kurniawati, Ari Leo Mualim Lia Desyrakhmawati, Lia Liana, Devi M A Chozin Magana, Richard Elisha Manik, Auhge Eva Sari Manullang, Nadya Inri Marlin Sefrila Melia Fetiandreny Mohamad Rafi Mohammad Rafi Muchamad Hartanto Muhamad Syukur Muhammad Syukur Muhimmatul, Husna Muis, Ridwan Munif Ghulamahdi Nasution, Siti Nurminah Ngui, Marianus Nofi Anisatun Rokhmah Nurbani, Hilmi Nuri Andarwulan Nurwita Dewi Parwito Purwono Purwono Purwono Purwono, Purwono Purwono, dan Purwono, Purwono Putri, Fiadini Raden Ajeng Diana Widyastuti Rahmi Taufika Ramadhani, Elrisa Rizva, Dian Novira Sandra A. Aziz Sandra A. Aziz Sandra A. Aziz Sandra Arifin Azis Sandra Arifin Aziz Sari, Siti Hapita Sefrila, Marlin Sinuraya, Bayu Aditya Slamet Susanto Sri Astuti Rais Sri Ayu Dwi Ayu Dwi Lestari, Sri Ayu Dwi Ayu Dwi Sri Wilarso Sri Wilarso Budi Sugiyanta Sugiyanta , Sugiyanta Sugiyanta Suntari Susanti, Destia Suwarto Suwarto Tatik Raisawati Tatik Raisawati Tiara Aninditha Titi Candra Sunarti Totong Siwanto, Totong Undari, Desti Wahyu Arif Sudarsono Wahyu Arif Sudarsono Wahyu Fikrinda Wahyudin, Cecep Ijang Willy Bayuardi Suwarno Wisdiyastuti Andriyani Wiwik Hartatik Yoga Yuniadi Yudiwanti Wahyu E. Kusumo Yulia Indriani Yulisda Eka Wardani