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INDONESIA
Jurnal Penelitian Pertanian Terapan
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 All submitted articles will not be published elsewhere, original and not considered for other publications.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 10 Documents
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Search results for , issue "Vol 21 No 2 (2021)" : 10 Documents clear
RESPON PEMBUNGAAN Globba leucantha var. bicolor Holttum TERHADAP VOLUME PEMBERIAN AIR DAN PUPUK NPK GROWMORE (10:55:10) widianty; Nurcahyo Widyo Daru Saputro; Wagiono Wagiono; Rika Yayu Agustini
Jurnal Penelitian Pertanian Terapan Vol 21 No 2 (2021)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v21i2.1927

Abstract

This study aims to determine the response of Globba leucantha plant flowering to the provision of water and NPK  fertilizer. The study was conducted for 3 months September until November 2020 in a screen house located in the Dayeuhluhur sub-district, Cilacap district, Central Java. The method used was a single factor randomized design of 12 treatments repeated 3 times consisting of water and NPK  fertilizer: 100%  Crop Water Consumption (CWC) without fertilizer; 100% CWC fertilizer + 2 grams / plant; 100% CWC  fertilizer + 4 grams / plant; 80% CWC without fertilizer; 40% CWC + fertilizer 2 grams / plant; 80% CWC + fertilizer 4 grams / plant ; 60% CWC without fertilizer; 60% CWC+ fertilizer 2 grams / plant; 60% CWC + fertilizer 4 grams / plant; 40% CWC without fertilizer; 40% CWC + fertilizer 2 grams / plant; 40% CWC + fertilizer 4 grams / plant.  The results showed that the volume treatment of water and NPK fertilizer had no significant effect on the length of the panicles and the number of flowers per panicle produced.
RESPON VARIETAS TEBU UNGGUL BARU TERHADAP PEMBERIAN NANO SILIKA DAN CEKAMAN KEKERINGAN Vega kartika sari; Kacung Haryono; Basuki Basuki
Jurnal Penelitian Pertanian Terapan Vol 21 No 2 (2021)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v21i2.1988

Abstract

The development pattern of sugarcane on the island of Java has shifted to dry land because rice fields are prioritized for other food crops. Dryland generally has low to moderate fertility rates and water availability is a limiting factor. Silicate (Si) is a beneficial nutrient for sugarcane and is absorbed in greater quantities than other nutrients. Si also can avoid damage to plants against abiotic stress such as drought. This study aims to test several new high-yielding sugarcane varieties under drought conditions and their responses to Si fertilization. The design used was three-factor RAK, namely the concentration of nano-silica fertilizer (0%; 30%; 45%), watering intensity (regular watering; no watering from 45 DAS), and new high yielding sugarcane varieties (BL; NX 01; NX 02; NX 03; VMC 86-550). The observation variables included stover fresh weight, root fresh weight, root length, and stover dry weight. The data obtained were analyzed by ANOVA at a 95% confidence level. If it is significantly different, continue with the 5% LSD test. Based on the results of this study, it was shown that the new superior sugarcane variety, namely VMC 86-550, was drought tolerant, indicated by the best average growth in almost all observed parameters. The concentration of nano-silica fertilizer 45% for 2 times the application showed the best growth of sugarcane. The treatment interaction between drought and variety had a significant effect on the wet weight of stover and root length of sugarcane. Treatment of nano-silica had a significant effect on the dry weight of sugarcane stover.  
The THE EFFECT OF ZEOLITE DOSE ON THE CHARACTERISTICS OF SOIL AND RED CHILI YIELDS IN SUB-OPTIMAL LANDS OF COASTAL Rajiman Rajiman; Ananti Yekti; Siwitri Munambar
Jurnal Penelitian Pertanian Terapan Vol 21 No 2 (2021)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v21i2.2009

Abstract

This study aims to determine the effect of zeolite dose on changes in some of the properties soil and red chilies yield. The research was conducted in the sandy land of the Bugel region, Kulon Progo Regency, from May to September 2020. The study used a randomized block design (RBD) with 5 replications. The study used a zeolite dose treatment consisting of  Z0 = 0 kg/ha zeolite, Z1 = zeolite 200 kg/ha and Z2 = 400 kg/ha, Z3 = zeolite 600 kg/ha, Z4 = 800 kg/ha and Z5 = 1.000 kg/ha. The observation parameters consisted of texture, moisture levels of pF 4,2 and pF 2,54, moisture-holding capacity, volume weight, specific gravity, porosity, pH, C-organic, N-total, N-available, P-total, P-available, K total. , and K is available for coastal. The zeolite and manure were analyzed in the form of pH, C, N, P, K, and CEC. Plant parameters in the form of plant height, wet weight per plant, and weight of chilies per fruit. Soil observation data were analyzed descriptively. Analysis of plant data using Analysis of variance (ANOVA) and Duncan's Multiple Range Test (DMRT) 5%. The results showed that the increase in zeolite dose at coastal had increased clay content, moisture levels of pF 4,2 and pF 2,54, moisture-holding capacity, volume weight, density, soil pH, available N, available P, and K available, although they remained in the high category. The increase in zeolite dose at coastal did not significantly affect plant height 2-8 mst but did significantly affect the wet weight per plant and the weight of chilies per fruit.
KARAKTERISTIK IKLIM DAN TANAH VULKANIS DI SISI BARAT GUNUNG API IJEN JAWA TIMUR SEBAGAI DASAR PENENTU PENGELOLAAN VARIETAS TANAMAN PADI (Oriza sativa L.) Basuki Basuki; Sukron Romadhona; Vega Kartika Sari; Iqbal Erdiansyah
Jurnal Penelitian Pertanian Terapan Vol 21 No 2 (2021)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v21i2.2050

Abstract

The suitability of typical rice varieties in Tegalampel Sub-District, Bondowoso District. The need for rice is increasing every year. Rice production is inseparable from paddy production in the field. Paddy production on the field will be optimal if the variety matches the soil and land characteristics. This research is an exploratory study to evaluate the suitability of the typical location of paddy varieties in Tegalampel Sub-District, Bondowoso District. The research was conducted in August-December 2020 in Tegalampel District, Jember Regency, and soil analysis at the Soil Fertility Laboratory of the University of Jember. The research method uses a survey method which is divided into 3 stages: literature study, field survey, and data analysis. The results showed Tegalampel Sub-District has the potential to be planted with paddy divided into 3 land uses with a height of <700 m asl with rainfall <2000 mm / year, namely irrigated rice fields, rain-fed rice fields, and dry fields / dry land. Suitability of rice varieties for irrigated rice fields namely Ciherang, Inpari 1, Inpari 6 Jete, Mekongga by 16.60%; suitability of rice varieties for rain-fed rice fields are varieties Inpari 10, Inpari 12, Inpari 13, Inpari 18, Inpari 19, Inpari 20, Inpari 38, Inpari 39, Inpari 40, Inpari 41, Dodokan, Silugonggo by 26.64%; and suitability of rice varieties for dry fields / dry land, namely Inpago 5, Inpago 8, Inpago 9, Inpago 10, Inpago 11, Inpago 12 by 26.35%.
Optimasi Proses Fermentasi Semi Padat Onggok Singkong Menggunakan Metode Response Surface Methodology (RSM) Beni Hidayat; Udin Hasanudin; Muhammad Muslihudin; Syamsu Akmal; Siti Nurdjanah; Neti Yuliana
Jurnal Penelitian Pertanian Terapan Vol 21 No 2 (2021)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v21i2.2075

Abstract

The application of semi-solid fermentation has been able to increase the potential for using cassava pulp, an underused biomass from starch processing (tapioca),  as foodstuffs which are reflected in an increase in protein content up to 7.07% and a decrease in cyanide content to less than 10 mg/kg (8.78 mg/kg). Further process optimization is required if the cassava pulp fermentation process is to be carried out on an industrial scale. This research was aimed to obtain the optimal fermentation process parameters to produce cassava pulp flour with optimal characteristics as foodstuffs. Optimization of the fermentation process was carried out using the Response Surface Methodology (RSM) with the Central Composite Design model.  There were three optimized factors, namely the concentration of S. cerevisiae (1%-3%), ammonium sulfate concentration (1%-2%), and fermentation time (72-120 hours). The determination of the upper and lower limits was based on preliminary research. The optimal characteristics of fermented cassava pulp flour is obtained in the process parameters: starter concentration 1.67%, ammonium sulphate concentration 1.00%, and fermentation time 77.65 hours. The optimal process parameters will produce fermented cassava pulp flour with a protein content of 6.17%, cyanide content of 8.64 mg/kg, and an odour score of 4.93 (maximum score of 5, like very much) which is very potential to be used as foodstuffs.
Pergeseran Faktor Psikologi Penentu Keputusan Pembelian (Studi Kasus Sayuran Organik Di Pasar Modern Kota Palembang): Dessy Adriani; Yandri Ridho Pratama; Laila Husin
Jurnal Penelitian Pertanian Terapan Vol 21 No 2 (2021)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v21i2.2081

Abstract

Abstract Increased awareness of the importance of health is also thought to have an impact on the consumption behavior of organic vegetables. So far, more research on purchasing decisions has been analyzed with consideration of microeconomic theory. Along with the development of information and knowledge, purchasing decisions are thought not only to be economic decisions but also to psychological considerations, especially the determinant factors. This research was carried out in the modern market of Palembang city. The research method was a survey method and the sampling method was an accidental sampling technique. Data analysis using Factorial Multivariate Analysis. The results of the analysis show psychological factors that influence purchasing decisions in terms of the importance level are (1) Perception, (2) Learning, (3) Attitudes, and (4) consistency. The analysis results differ with the level of theoretical importance. The level of importance based on the analysis are (1) motivation, (2) perception, (3) learning, and (4) attitude. The results of this study indicate that motivation is no longer a psychological factor in purchasing decisions, and there is a shift in factors where perception is the first and most important determining factor.
STRATEGI PEMBERDAYAAN EKONOMI MASYARAKAT DI SEKITAR KAWASAN HUTAN LINDUNG REG. 20 KABUPATEN PESAWARAN, LAMPUNG Fitriani Fitriani; Cholid Fatih; Teguh Budi Trisnanto; Zainal Mutaqin
Jurnal Penelitian Pertanian Terapan Vol 21 No 2 (2021)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v21i2.2089

Abstract

The main problems faced in managing the Pesawaran forest area are the activities of forest encroachment, illegal logging and mining, and also shifting of boundaries that threaten the function of the forest. This research aims to ensure the design of strategies for community economic empowerment in forest areas so that they can be responsible for forest rehabilitation activities. Gayau Village, Padang Cermin sub-District, Pesawaran Region, Lampung represented as the research location that bordered with the Protection Forest 20 Region. Respondents were determined by purposive sampling method amount of 40 people.  It was the representation of community leaders, village officials, farmer institutions (poktan/Gapoktan), and farmers who carry out agricultural activities around forest areas. The data collection method using a Rapid Rural Appraisal (RRA) and Focus Group Discussion (FGD) approach. The data analysis method was descriptive qualitative method using SWOT analysis. Based on the analysis results show that strategy should consider the strengthen the community forest management based on Good Agriculture Practices (GAP) farming.  This is in quadrant I potition or in growth conditions.  It means that the appropriate strategy is cpmbining the Strength and Opportunity condition. Then the appropriate strategy is a concentration through horizontal integration of farm diversification. The production of intercropping plants with high economic value is an important alternative. Increasing farm productivity needs through by improving the quality of cultivation with GAP principles. This strategy is included in the growth strategy by expanding community activities and developing information and communication networks in regions that have the same program. Exploration of alternative income growth from non-timber resources requires assistance from capital institutions, the extension institution (state or private) and access to technology.
PERTUMBUHAN, HASIL PANEN & KANDUNGAN VITAMIN C TANAMAN KALE (Brassica oleracea var. Acephala) ORGANIK PADA BEBERAPA PERLAKUAN CAMPURAN KOMPOS CAIR BERBAHAN UTAMA URIN KELINCI, SUSU SAPI SEGAR, DAN TELUR AYAM KAMPUNG Jose Natanael; Dina Rotua Valentina Banjarnahor
Jurnal Penelitian Pertanian Terapan Vol 21 No 2 (2021)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v21i2.2094

Abstract

Minang Bangkit Merbabu farmers apply organic agriculture in form of administrating liquid compost with main materials that consist of rabbit urine, fresh cow milk, and chicken eggs as nutrient provider. This research’s main purpose is to know the effect of liquid compost toward growth, yield, and vitamin C content of organic kale. This research took place in Salaran Experimental Field, Faculty of Agriculture and Business, Satya Wacana Christian University, between March to May 2020. There are one control and four treatment mixtures of several liquid compost materials with codes CBK1, CBK2, CBK3, CBK4 which will be repeated six times and multiplied by two to test the yield and vitamin C content to obtain 60 experimental units. This research used a randomized block design, with vitamin C levels as a quality parameter, yield parameters in the form of wet and dry root and canopy weight, and growth parameters in the form of number of leaves, stem diameter, and crown diameter. Data were analyzed using variance test with Tukey follow-up test with α=5%. Based on the results of the variance test, the mixture of several compost materials had a significantly different effect on all parameters. The CBK4 treatment showed the best growth and yields including 15.17 leaf number, 0.97 cm stem diameter, 52.42 cm crown diameter, 10.01 g root crop and 101.37 g crown. The vitamin C content in kale showed significantly different results to the control, but not significantly different in treatment (CBK1, CBK2, CBK3, and CBK4)
BIAYA TRANSAKSI PADA SISTEM AGRIBISNIS DAN PENGARUHNYA TERHADAP PENDAPATAN USAHATANI UBI KAYU Dwi Haryono; Zulkarnain zulkarnain; Wan Abbas Zakaria; Ktut Murniati; Rakhmiati Rakhmiati; Etik Puji Handayani; Fikri Syahputra; Vitratin Vitratin
Jurnal Penelitian Pertanian Terapan Vol 21 No 2 (2021)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v21i2.2123

Abstract

The objectives of the study are to analyze the amount of transaction cost on cassava agribusiness system and analyze the effect of transaction cost to the income of cassava farming in Central Lampung Regency. The research was held in the district of Rumbia, Central Lampung Regency. The reasearch used survey method to 141 cassava farmers in the district of Rumbia, Central Lampung Regency, taken purposively. The analysis used quantitative analysis method on Transaction cost (TrC); income analysis, and double linear regression. The results showed (1) transaction cost on cassava agribusiness system is Rp. 732.725,17/ha/farmer/season (2) the income of cassava farming is Rp. 10.666.036,03/ha means that cassava farming is worthed to be continuesly developed in Central Lampung Regency and transaction cost gave the real impact to the income of cassava farming
POTENSI CUKA BAMBU PT. BUKIT ASAM PELABUHAN TARAHAN UNTUK MENGURANGI PENGGUNAAN PUPUK KIMIA PADA BUDIDAYA TANAMAN PAKCHOY (Brassica rapa L.) Rizka Novi Sesanti; Dianto Sudrajat; Fahri Ali; Reny Mita Sari
Jurnal Penelitian Pertanian Terapan Vol 21 No 2 (2021)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v21i2.2159

Abstract

Continuous use of chemical fertilizers can reduce soil fertility and decrease crop quality.  To maintain the soil fertility and increase the crop production, can be done by combining chemical fertilizers with organic fertilizers, so  the use of chemical fertilizers can be reduced by being substituted by organic fertilizers.  Liquid smoke (bamboo vinegar) is one of natural materials which is potential to be liquid organic fertilizer. The research on the potential of bamboo vinegar is mostly directed at its  function as a food preservative and vegetable pesticide,  however, the bamboo vinegar also potential as an organic material that can reduce the use of chemical fertilizers in plant cultivation.  This study aims to determine the potential of bamboo vinegar as an organic material that can reduce the use of chemical fertilizers in the cultivation of pakchoy plants.  This study use  factorial 5 x 2 Randomized Block Design (RAK) with 3 replications.  The first factor is the amount of bamboo vinegar and NPK; 100% bamboo vinegar, 75% bamboo vinegar + 25% NPK, 50% bamboo vinegar + 50% NPK, 25% bamboo vinegar + 75% NPK, and 100% NPK.  The second factor is the frequency of fertilization; once and twice application.  The results showed that the use of bamboo  vinegar with 100% dose of concentration without the addition of NPK (10 ml/liter/plant) was able to produce the same height and number of leaves with the use of 100% NPK (2 g/plant).  The use of bamboo vinegar + NPK at 50% dose of concentration (5 ml / liter / plant + 1 gram / plant) at one time frequency of fertilization and the use of bamboo vinegar at 75% dose concentration (7.5 ml / liter / plant) + NPK  25% (0.5 gram/plant) at twice fertilization frequency was able to produce wet weight of canopy which has no differences with the use of 100% NPK (2 grams/plant). The application of bamboo vinegar can reduce the use of NPK chemical fertilizers in pakchoy cultivation depends on the frequency of fertilization.

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