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All Journal JURNAL AGROTEKNOLOGI Jurnal Penelitian Pertanian Terapan Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Akta Agrosia
Risa Wentasari
Staf Pengajar Jurusan Budidaya Tanaman Pangan, Politeknik Negeri Lampung (Polinela), Jl. Soekarno-Hatta, Rajabasa, Bandar Lampung . Tlp (0721) 703995, Fak. (0721) 787309
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

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Uji Daya Hasil Sepuluh Galur Baru Tanaman Padi (Oryza Sativa L.) Rakitan Politeknik Negeri Lampung Syuriani, Eka Erlinda; Wentasari, Risa; Kartahadimaja, Jaenudin
Jurnal Penelitian Pertanian Terapan Vol 13, No 3 (2013)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (54.549 KB) | DOI: 10.25181/jppt.v13i3.185

Abstract

Rice is the staple food of Indonesia's population. Widespread food shortages in a country will lead to economic insecurity, social and political. Assemble new type of rice varieties for high yield, biotic and abiotic stress resistance, with good quality rice is a solution to cope with food shortages. Polinela been assembling some new strains of rice germplasm by using superior character in quantity and quality. Research purposes (1) Knowing what superior character possessed by a new strain of rice Polinela assemblies, (2) Knowing where the strain that has a high yield potential. The study was conducted in Polinela April to August 2012. Research conducted with Randomize Completly Block Design (RCBD). Treatment consisted of 10 new strains of rice assemblies Polinela 4th generation (F4), repeated three times. To know the differences between the treatment then continued with Least Significant Different (LSD) on stage 5%. The variables measured were: maximum plant height, maximum number of shoots, number of productive shoots, number of grains per panicle, number of filled grains per panicle, panicle length, grain 1000 grain weight, grain yield per clump, and grain yield per hectare. Organoleptic tests carried out on the aroma and texture of rice or rice flavor. Results showed (1) All new rice strains quantitatively Polinela assemblies have a high yield potential, which is between 7.4 tonnes /ha until 10:34 tonnes /ha, (2) Strain B3, D2, D3, F2, and F3 have high yield potential between 8.4 tons / ha to 10.3 t / ha, as well as having quality taste fluffier rice with a slightly fragrant aroma (rather sweet) until fragrant (fragrant). Keywords: Power Test Results, ten strain of rice assemblies Polinela
Karakteristik Iklim Mikro Dan Produksi Jagung Manis Pada Beberapa Sistem Tanam Wentasari, Risa; Sesanti, Rizka Novi
Jurnal Penelitian Pertanian Terapan Vol 16, No 2 (2016)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (244.946 KB) | DOI: 10.25181/jppt.v16i2.100

Abstract

The purpose of this study was to determine the characteristics of the micro-climate(temperature, humidity, and light intensity) and the production of sweet corn on a sigle row,doble row, twin row, and Twin seed planting system. This study was conducted in anexperimental garden of Politeknik Negeri Lampung, Hajimena South Lampung, in July-September, 2015. This study is based on randomized block design with one factor croppingsystem consists of 4 treatment ie : Sigle Row (SR) (20cm x 75cm), Doble Row ( DR ) (20cm x20cm x 80 cm), Twin Row (TR) (20cm x 10cm x 80 cm) , and Twin Seed (TS) with plantSpacing (40cm x 75cm 2 seed in one planting hole). Parameter observations of this studyconsisted of (1) micro-climate (temperature (oC), relative humidity (RH %) and Interceptionof Light (%) ) and (2)production (corn length (cm) , corn diameter (m ) and Corn weights(grams). The data were analyzed using the F test at 1 % and 5 % level and than followed bytest BNT. The conclusion of this study were (1) The characteristics of the microclimate : a)There is a noticeable difference in the temperature of the top of the current crop of 4 mst andat 9 mst there is a significant difference in the temperature of the bottom , where SR has adifferent temperature involves the other b) All systems planting has a relative humidity (%)were not significantly different , and c ) there is a difference light interception ( % ) duringthe day when 4 mst , where the twins seed has a light interception is different from othertreatments and there is a difference light interception during 9 mst where sigle row has adifferent light interception to other treatments. (2) The production of sweet corn on thetreatment SR, DR, TR and TS were not significantly different and has a weight of corn (SR =354.8 grams, DR = 316.5 grams, 328.5 grams TR and TS = 325.4 grams) same withdescription bonanza varieties (270-300 grams).Keywords : Cropping Systems , Micro Climate , Production
KARAKTERISTIK IKLIM MIKRO SERTA PERTUMBUHAN PADA BEBERAPA SISTEM TANAM JAGUNG DENGAN POLA TANAM TUMPANG SARI DAN TANAM TUNGGAL Wentasari, Risa; Gusta, Adriyade Reshi
Jurnal Penelitian Pertanian Terapan Vol 18, No 3 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v18i3.1507

Abstract

The purpose of this study is to know the characteristics of microclimate and the growth ofcorn and soybean on single row, doble row, twin row, and twin row seed system inpoliculture and monoculture pattern. The research was arranged in Randomized BlockDesign with two factors (1) planting system consisting of 4 treatments (Sigle Row (SR) (25x75cm) Doble Row (DR) (20x 20x 80cm), Twin Row (TR) (20x10x 80 cm), and Twin Seed (TS)(40 x 75cm (2 seed in 1 planting hole)) and (2) Cropping Pattern (Polikulture (TS) (100 cmof corn line distance)) and monokulture (TT), with 3 replications. Data analysis was doneby F test (1% and 5%) and BNT (5%). Conclusions: Microclimatic characteristics (a) LightInterception (%) at morning of middle plant canopy, midday and afternoon in the middle andlower part of the canopy are not significantly different. There is a significant difference inmorning light interception at the bottom of the plant canopy, the lowest light interception isTTSR treatment. Temperature (oC) there was significant difference of temperature due to treatment. the TTTS treatment had the highest average temperature under the plant canopy(26.30 o C) and the center of the plant canopy (29.40 o C). Relative humidity (%) did not give a significantly different response to the treatment.
TRANSFORMASI INOVASI:PEMANFAATAN LIMBAH BATU BARA MENJADI PUPUK Wentasari, Risa; Zadzali, Helmi; Sidiq, Egi Nur Muhamad; Anam, Khairul; Sridanti, Irma Lisa; Agusta, Herdhata; Sudradjat; Hariyadi; Bintoro, Mochamad Hasjim
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 22 No 2 (2024): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v22i2.4551

Abstract

Studi literatur ini bertujuan melakukan review terhadap perkembangan teknologi dalam pemanfaatan batu bara sebagai pupuk. Metode yang digunakan dalam kajian ini adalah sistematik review. pencarian artikel dilakukan menggunakan google scholar dengan kata kunci “Coal for Fertilizer” dan “Pupuk Batubara”. Pada akhir pencarian ditemukan 14 artikel terdiri dari 7 berbahasa Indonesia dan 7 berbahasa Inggris, selanjutnya dilakukan naratif review. Kesimpulan dari kajian ini adalah pemanfaatan batu bara sebagai pupuk dikembangkan dengan memanfaatkan bahan batu bara mutu rendah dan limbah batu bara: fly ash, bottom ash, asam humat dan brown coal. Teknologi pemanfaatannya segai pupuk dilakukan dengan mengaplikasikan bersama pupuk kimia dan organik secara sederhana, maupun dalam bentuk pupuk granul dan slow release.
Pertumbuhan dan Produktivitas Jagung Manis pada Beberapa Sistem Tanam Wentasari, Risa
Akta Agrosia Vol 19 No 2 (2016)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (220.604 KB)

Abstract

The purpose of this study was to determine the growth and productivity of sweet corn on a Single Row, Double Row, Row Twins and Twins Seed planting system. This study was conducted in an experimental garden of Politeknik Negeri Lampung, Hajimena South Lampung, in July-September, 2015. This study is based on randomized block design with one factor cropping system consists of 4 treatment ie : Single Row (SR) (20cm x 75cm), Double Row (DR) (20cm x 20cm x 80 cm), Twins Row (TR) (20cm x 10cm x 80 cm) , and TwinsSeed (TS) with plant spacing (40cm x 75cm two seed in one planting hole). Parameter observational studies high plants (cm), leaf number (cm), diameter (cm), lebar daun (cm) and long leaf (cm) and productivity  (ton/ ha). The data were analyzed using the F test at  1 % and 5 % level and than followed by test BNT.  The conclusion of this study were (1) planting system gives a response was not significantly different in stem diameter and leaf length, the difference is shown in plant height, number of leaves and leaf width, 2) There is a significant differences in the productivity cropping systems. Twins Row cropping systems have different productivity with a Single Row planting system, Double Row, Twins Seed and (3) Average Twins Seed planting system showed the highest productivity of 39.42 ton/ha.
ANALISIS KOMPARATIF PERTUMBUHAN DAN HASIL TANAMAN BAWANG MERAH (Allium Cepa L. Aggregatum) BERDASARKAN UKURAN BAHAN TANAM Suhartanto, Mohamad Rahmad; Wahyuni, Ari; Cintaning, Anis Bias; Nabila, Diah Ayu; Neti, Natali; Sinaga, Tamara Rudang Astari; Wentasari, Risa; Taisa, Rianida; Karmaita, Yummama
Jurnal Agroteknologi Vol 16, No 1 (2025): Agustus 2025
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v16i1.37633

Abstract

Shallot development faces an obstacle, specifically the availability of quality seeds. Onion propagation is usually done conventionally with vegetative propagation methods using bulbs as seeds. The aims of study were to determine the effect of the size of the shallot bulb planting material on the growth and production of shallots, to obtain the variables used in selecting the size of the shallot bulbs.The research was conducted at Leuwikopo Experimental Farm in Dramaga, Bogor from February to May 2024. The experiment was conducted by comparing two treatments and each treatment was repeated 9 times. The treatment used was bulb size, especially large and small. The data obtained were tested using the t-student test at the 5% α level, which compares the results of observations between large and small bulbs. The variable observed consisted of plant height, number of shoots, number of leaves, number of bulbs, number of multiplications, wet weight, and dry weight of bulbs. The results showed that different sizes of bulbs used as shallot plant propagation materials affect the growth and production of shallots. Shallot seeds with large bulb sizes produce better growth than small bulbs. The size of large and small bulbs produces output in the form of variable of the number of bulbs per clump, and wet and dry weights of bulbs that are not different. The variables number of leaves, number of shoots, dry bulb weight, and multiplication rate can be used as characteristics for selecting bulb size.
Co-Authors Anam, M. Khairul Ari Wahyuni Cintaning, Anis Bias Eka Erlinda Syuriani, Eka Erlinda Gusta, Adriyade Reshi Hariyadi Herdhata Agusta Jaenudin Kartahadimaja Karmaita, Yummama Mohamad Rahmad Suhartanto Muhammad Hasjim Bintoro Djoefrie Hasjim Bintoro Djoefrie Nabila, Diah Ayu Neti, Natali Rizka Novi Sesanti Sidiq, Egi Nur Muhamad Sinaga, Tamara Rudang Astari Sridanti, Irma Lisa Sudradjat Taisa, Rianida Zadzali, Helmi