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Jurnal Penelitian Pertanian Terapan

JPPT
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Published by Politeknik Negeri Lampung

ISSN : 14105020 EISSN : 24071781 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Jurnal Penelitian Pertanian Terapan is a peer-reviewed journal that publishes scientific articles from agricultural disciplines covering Plantation crops, Food crops and horticulture, food Technology, Agriculture biology and agribusiness. Articles published in the Journal of Applied Agriculture may be research results (original) and scientific review articles (review). Applied Journal of Agriculture is published by Research Unit and Community Service of Lampung State Polytechnic Society 3 edition one year, that is January, May, and September. JPPT was first published in January 2000. JPPT published a print version in 2007, then started the online version or Open Journal System (OJS) in 2014. Early online versions of JPPT or OJS editing have not yet been fully implemented online management and are beginning to make improvements Web Journal view and journal cover and OJS governance management on Volume 2 No. 2 of 2017. JPPT has been indexed on Google Scholar and Garuda IPI by 2015, and by 2017 it has indexed SINTA and registered DOAJ and Crossref in the same year. We accept submissions from all over Indonesia. All submitted articles will not be published elsewhere, original and not considered for other publications.

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Articles 741 Documents

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Pengaruh Konsentrasi Nitrogen Dan Plant Catalyst Terhadap Pertumbuhan Dan Hasil Tanaman Selada (Lactuca sativa L.) Secara Hidroponik Gorendva R. Warganegara; Yohanes Cahya Ginting; Kushendarto Kushendarto
Jurnal Penelitian Pertanian Terapan Vol 15 No 2 (2015)
Publisher : Politeknik Negeri Lampung.

Lettuce (Lactuca sativa L.) is a vegetable plant which consumption in fresh form. Color, texture, and aroma lettuce can beautify also be an ornamental dish of food. Request lettuce until now has not met its full potential, it is because there are obstacles in cultivation that influence the quality and production results. One technique that can be used in the cultivation of lettuce ie hydroponic. The purpose of this study was to: (1) To know the effect of Catalyst Plant on growth and yield of plants in hydroponic lettuce, (2) To know the effect of the concentration of nitrogen on the growth and yield of plants in hydroponic lettuce, (3) To determine the concentration of nitrogen in response to the liquid fertilizer Catalyst Plant. This study uses a randomized group design perfect (RKTS) arranged factorial (5x2) with three replications. The first factor is the nitrogen concentration of 200 ppm, 225 ppm, 250 ppm, 275 ppm, 300 ppm supplied from planting as much as 3 times a day. The second factor is the provision of liquid fertilizer Catalyst Plant (P1) and without giving liquid fertilizer (P0) with a concentration of 2 g / L of water. Interval application of liquid fertilizer once a week until harvest time. Data were analyzed by analysis of variance to investigate the influence of the treatment applied. If there are significant between the treatment continued with the separation of the middle value of Orthogonal polynomial at 5%. Of the two factors obtained 10 combined treatment with 3 replications and obtained 30 experimental units. Each experimental unit planted two plants, so that the overall use of 60 trial plants Catalyst Plant liquid fertilizer application resulted in better plant growth compared without giving liquid fertilizer. Increased nitrogen concentration of 25 ppm, the concentration of 250-300 ppm improve the growth of plant height of 0.02 cm, 0.01 cm long roots, and plant fresh weight of 0.03 grams (11:12%). There are a response to the nitrogen concentration of liquid fertilizer Catalyst Plant . Keywords: Grand Rapid lettuce, hydroponics, Catalyst Plant, the concentration of nitrogen

Kajian Peningkatan Produktivitas Padi Sawah Melalui Pengelolaan Hara Spesifik Lokasi (PHSL) Pada Lahan Berpotensi Hasil Rendah Syahrial Abdullah
Jurnal Penelitian Pertanian Terapan Vol 16 No 1 (2016)
Publisher : Politeknik Negeri Lampung.

The experiments was conducted at Kasang village, district of Batang Anai, Padang Pariaman regency during June until December 2013. The objectives of this experiment was to increased lowland rice production through specific location of nutrient management (SLNM) on low potential productivity of lowland. Four packages of fertilization such as Package A, B, C and D were arranged in Randomized Completely Block Design (RCBD) with 6 replications. Result of this experiment showed that; (1) SLNM treatments were significantly affected plant growth such as tiller number and plant high. Saveral of yield components also significantly affected by SLNM treatments packages such as panicles number, number of seeds per panicle, and percentage of filled grains. SLNM package A, B, and C significantly increased grain yields such as 24.9%,Â 34.2%, and 29.5% respectively compred to farmer package (Package D). The low grain yield with Famer package caused insufficient nutrient supplied for plant growth and yield is due to low fertilizer application and inaccurate nutrient management. The experiment suggested that the best application of inorganic fertilizer should be followed or combined with organic fertilizer such as animal manure or compost and Â the application of thus material should be in mature condition.Â Key Words:Â rice, specific location, fertilizer

Efektifitas Ekstrak Kayu Secang (Caesalpinia Sappan L.) Sebagai Bahan Pengawet Daging Oktaf Rina; Chandra Utami W.; Ansori Ansori
Jurnal Penelitian Pertanian Terapan Vol 12 No 3 (2012)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v12i3.215

The aim of this research was to determine wood extract of secang and test usage of its as preservative in hash to microbiological test and organoleptic. Existence of component of brazilin give is specific in wood of secang that is ruddling chocolate if oxidized or in atmosphere of base. Wood extract of secang obtained of usage 1 kg of its which maserated during 144 hours were 17,6 Â± 0,03. Usage of its about 1000 ppm was not yet given inhibition effect to growth of microbe in hash during inkubation about 6 hour. Colour in wood extract of secang were give change to hash colour become chocolate and influence hash organoleptic. Keywords : Wood of secang, extract, brazelein, hash

Karakterisasi Bahan Anti Browning dari Ekstrak Air Buah Jambu Batu (Psidium guajava Linn) pada Buah Apel Malang (Malus sylvestris (L.) Mill) Oktarina Husaini; Zulkifli Zulkifli; Martha L. Lande; E. Nurcahyani
Jurnal Penelitian Pertanian Terapan Vol 17 No 2 (2017)
Publisher : Politeknik Negeri Lampung.

The purpose of this study was to prove that the water extract of guava pulp can hinder the process of browning in apples Malang. The research was conducted in October - November 2016 in the Laboratory of Plant Physiology, Department of Biology, Faculty of Mathematics and Natural Sciences, University of Lampung. This study uses a completely randomized design (CRD) with 6 degree of concentration of water extract of the fruit flesh guava: control (Citric acid 2% w/v), 0% v/v, 25% v/v, 50% v/v, 75 % v/v, 100% v/v. Browning index is determined based on the absorbance of the extract of apple Malang at a wavelength of 420 nm. Total soluble carbohydrate content was determined by the phenol-sulfuric method, while estimating dehydrogenase enzyme activity by methylene blue method. Levene's test for homogeneity, analysis of variance and LSD test was carried out at 5% significance level. Water extract of guava fruit has the same effectiveness with citric acid 2% w/v in inhibiting browning apples Malang. Similarly, the water extract of guava fruit as well as citric acid 2% w/v has the same effect on total soluble carbohydrate content and the activity of the enzyme dehydrogenase. Water extract of guava fruit has the same effectiveness with citric acid 2% w/v except for 100% concentration on reducing sugar level. The final conclusion is that the water extract of guava fruit has the different characteristics as citric acid 2% w/v in inhibiting browning in apples Malang.

Aplikasi Hidroponik NFT pada Budidaya Pakcoy (Brassica rapa chinensis) Sapto Wibowo; Arum Asriyanti S
Jurnal Penelitian Pertanian Terapan Vol 13 No 3 (2013)
Publisher : Politeknik Negeri Lampung.

Nutrient Film Technique (NFT) is one of hydroponic system with the roots of plants put on a thin layer of water that resembles a film. Circulate the water and nutrients needed by plants. Movement of nutrient solution circulation but because of the encouragement of the pump, is also caused by the slope of the gutter pipes are used. Gutter pipe slope is getting steeper can cause plants to be difficult to stand up straight and nutrients are absorbed a bit because the flow is too fast. The slope of the gutter pipe that is too small can cause nutrient flow easily clogged because the flow is too slow. Therefore, in this study the slope of the NFT gutter pipe used was 1%, 3%, 5%, and 7%. The aim is to determine the effect of NFT gutter pipe slope on the growth and yield of pakcoy. Analysis used to determine whether there is difference in the growth and production of different crops on slopes is ANOVA (Analysis of variances) in one direction because there is only one independent variable, followed by a test of Honestly Significant Difference (HSD) at 5% significance level. The results show that there are differences in average growth and crop production pakcoy using different NFT gutter pipe. NFT gutter pipe slope the best effect on plant growth (number of leaves, plant height, and root length) and pakcoy crop production (weight of the plant) is on a slope of 5%, with the results for each crop is the average number of leaf 9.1 strands, the average plant height 18.4 cm, the average length of the roots of plants 41.5 cm, and an average weight of 34.49 g plant. Keywords: gutter pipe slope, NFT , pakcoy, growth, production

Uji Efektifitas Herbisida Atrazin, Mesotrion, dan Campuran Atrazin+Mesotrion terhadap Beberapa Jenis Gulma Nana Ratna Wati; Dad Resiworo J. Sembodo; Herry Susanto
Jurnal Penelitian Pertanian Terapan Vol 15 No 1 (2015)
Publisher : Politeknik Negeri Lampung.

The aimed of this research was to know the effectiveness of mixing herbicides with active ingredient atrazin and mesotrion in controlling weeds and know the mixture characteristic. This research conducted in the plastic garden house private in Natar, South Lampung and in the Weeds laboratory of Agriculture faculty, Lampung University from June until July 2013. This Research arranged in a Randomized Completely Design (RCD). Treatment consists of three types of herbicides with six level of dosage active ingredient, namely of single herbicides is atrazin 500 g l-1 (0, 76, 152, 304, 608, and 1.215 ha g-1), mesotrion 50 g l-1 (0, 11, 22, 43, 86, and 172 g ha-1), and mixed herbicides from atrazin 500 g l-1 + mesotrion 50 g l-1 (0, 28, 56, 112, 225, and 450 g ha-1). The target weed were a type of broadleaves (Asystasia gangetica), a type of grasses (Paspalum conjugatum), and a type of sedges (Cyperus kyllingia).Homogenity tested using Bartlet and aditivity tested using Tukey, data analyzed by Analisis of Variance and different median values tested with Least Significant Difference (LSD) level 5%. Results showed that an active ingredient mixture of atrazin 500 g L-1 + mesotrion 50 g L-1 has LD50 expectation value of 51,48 g ha-1 and LD50 treatment of 257,48 g ha-1 with the co-toxicity value was 0.2 (co-toxicity < 1) until mixture was antagonist. Keywords: Atrazin, mesotrion, herbicide mixture, Multiplicative Survival Model ( MSM), LD50

Production and Quality Pennisetum purpureum at Shading Condition and Nitrogen Fertilizer Dosage Windu Mangiring; Nurleni Kurniawati; Priyadi Priyadi
Jurnal Penelitian Pertanian Terapan Vol 17 No 1 (2017)
Publisher : Politeknik Negeri Lampung.

This experiment aims to determine 1) The effect ofÂ shading and nitrogen fertilizer to productionÂ Â of Pennisetum purpureum ; and 2) The effect ofÂ shading and nitrogen fertilizerÂ to quality of Pennisetum purpureum,experiment performed in January until May 2016at fieldSTIPER Dharma Wacana Metro.The experiment was investigated in random block design with three replication. The first factor is consisted of two treatment of shading level, i.e (0%) without shadingÂ and (50%)Â paranet shade. The second factor consisted of three treatment of nitrogen fertilizer dosage, i.e 50 kgha-1 nitrogen fertilizer, 100 kgha-1nitrogen fertillizer and 200 kgha-1 nitrogen fertilizer. The results showed that effect paranet shade 50% in fact evidentlyÂ decrease the production of Pennisetum purpureum 60 %. Quality of Pennisetum purpuremlikeÂ nitrate content, crude protein contentÂ and crude fiber contenton 50%paranet shade 0,2%-0,11%;7,8%-10,8%; and 29,13%-30,00%. In shade condition, a dose of 50 kgha-1not significant production of elephant grass forage, elephant grass forage production response to increasing doses of N (50-200 kgha-1)is more significant than whitout shade.Â Key words : Pennisetum purpureum,elephant grass, paranet shade, nitrogen

Pengujian Pupuk Organik Agen Hayati (Trichoderma sp) terhadap Pertumbuhan Kentang (Solanum tuberosum L) Laurensius Lehar
Jurnal Penelitian Pertanian Terapan Vol 12 No 2 (2012)
Publisher : Politeknik Negeri Lampung.

he use of organic fertilizer and a biology agent called Trichoderma sp can be applied to reduce high cost production. The aim of the experiment was to compare the use of the biology agent (Trichoderma sp) with fungicide and organic fertilizer and non-organic fertilizer and their interactions. This experiment used Divisible Check Device (RPT) consisting of two factors namely Trichoderma sp and inorganic fungicide as a main factor and the other factor as a minor factor consisting of chicken dirt, cow dirt, kana liquid organic fertilizer, complex liquid organic fertilizer, and standard NPK fertilizer. The result of the experiment shows that there is an interaction between the use of Trichoderma sp with various kinds of fertilizers towards the height of plants from age 4-10 mst, the number of leaf at the age of 6,8 and 10 mst, wide index of the leaf at the age of 6 mst and 6 mst along with the number of branch at the age of 4 mst. Keywords: organic fertilizer,trichoderma sp, potato.

Peningkatan Energi Metabolis Produk Fermentasi Campuran Bungkil Inti Sawit dan Dedak Padi Yana Sukaryana
Jurnal Penelitian Pertanian Terapan Vol 10 No 2 (2010)
Publisher : Politeknik Negeri Lampung.

The research objective is to compare the metabolism energy of palm kernel cake (80%) and rice bran (20%) mix fermentation product with the same unfermented product. To compare is used Student-t test. Determination and procedure of metabolism energy refers to Sibbald and Morse (1983) developed method. The results showed that the average metabolism energy content of palm kernel cake (80%) and rice bran (20%) mix fermentation product (2149,33 Â±24,90) significantly different (P<0,05) higher than palm kernel cake (80%) and rice bran (20%) mix unfermented product (1836,04 aÂ±19.28) or an increase of 17,06%. Keywords: Palm kernel cake, rice bran, fermentation, metabolism energy.

Kebijakan Pengembangan Komoditas Tanaman Pangan dalam Mendukung Program Master Plan Percepatan dan Perluasan Pembangunan Ekonomi Indonesia (MP3EI) Studi Kasus di Propinsi Gorontalo Bambang Winarso
Jurnal Penelitian Pertanian Terapan Vol 13 No 2 (2013)
Publisher : Politeknik Negeri Lampung.

Master Plan for the Acceleration and expansion of Indonesia's Economic Development (MP3I) is one of economic development of the guidelines used by the government in its efforts to accelerating national development towards a just and prosperous society, especially in 2025. To realize this activities of the Government especially the Ministry of Agriculture has launched four main targets of agricultural development are: (1) realizing the achievement self-sufficiency and sustainable self-sufficiency, (2) achieve increased diversification, (3) realize an increase in value added, competitiveness, and exports, and (4) realize increased welfare of farmers. Food commodities is a strategic commodity, where compliance should always be available to the public. The issue of the need, availability and production of major food today. One of the corridors that are directed to the development of food commodities is Island Sulawesi as fourth corridor, which Gorontalo province is part of the Regions corridors. However, in the preparation and implementation of the field is still stout encountered obstacles and barriers. Lack of infrastructure, facilities and infrastructure that can support acceleration of growth seems to still be a problem that needs to be above. Keywords: Foodstuffs Commodity, MP3EI, Gorontalo

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