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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 All submitted articles will not be published elsewhere, original and not considered for other publications.

Arjuna Subject : -

Articles 759 Documents

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Response of Growth and Results of Sweet Corn Plants (Zea mays Saccharata Sturt.) To the Effect of Dosage and Time of Fertilizing Bio-slurry Liquid Fertilizers Oktavia, Vina; Pujisiswanto, Hidayat; Edy, Akari; Andalasari, Tri Dewi
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v18i2.1237

The study aimed to was determine the effect of dose and time of fertilization bio-slurry liquid fertilizer on the growth and yield of sweet corn was held in Tanjung Laut, Fajar Baru village, Jati Agung district, South Lampung regency in October 2016 to January 2017. In this study used Randomized Block Design (RBD) with factorial treatment design (4 x 2) with three replications. The first factor was the dose of bio-slurry liquid fertilizer consisted 4 levels were 0, 25, 50, and 75 l/ha. The second factor was the fertilization time consisted of 2 levels were (2 and 4 MST) and (2, 4, and 6 MST). Variance of homogeneity was tested by Bartlett's test, if the assumptions were met, the data were analyzed by variance using F-test. The difference of median value of treatment will be tested by the Least Significance Difference Test (LSD) at 5% level. The results showed that the treatment of several doses of bio-slurry liquid fertilizer has an effect on the length of cob, while the treatment of some fertilization time has an effect on dry weight variables. However, the treatment of some dose levels and fertilization time of bio-slurry liquid fertilizer has not been able to increase growth and yield. Proper fertilization time does not depend on the dose of bio-slurry liquid fertilizer given in influencing the growth and yield of sweet corn crops.

Stability Results Of New Rice Pulses (Oryza sativa L.) F4 and F5 Sy, Yogi Pratama; Kartahadimaja, Jaenudin; Syuriani, Eka Erlinda
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

The challenge for plant breeders can not be separated from the interaction effects between genotypes and the environment, where the tested strains show different results at each test site. Therefore, to know a strain or genotype that has a level of stability it is necessary to do the testing phase. The currently developed strains are RG1, RG2, RG3, and RG4. Currently the strains have entered the third generation. Furthermore, the four rice strains will be planted in the fourth generation and continued by the fifth generation. This research was conducted at Field Polytechnic of Lampung State of Lampung, Bandar Lampung on September 2015 - January 2016 planting F4 and January - May 2016 planting F5. The objective of this research is to obtain new strain of rice that is able to maintain the stability of the results by looking at the phenotypic appearance character and the potential yield that is planted on F4 and F5. The design used in this study is the design of split plot with main plot treatment using two generations (F) that is F4 and F5. While in sub plots using 4 new rice strains (G) are RG1, RG2, RG3, and RG4. Data were analyzed by LSD Test at 5% level. Stability analysis using Francis and Kenneberg (1978) models, by looking at the mean squares (Si2) and the Coefficient of Varians (CVi). From the result of observation of stability result of four rice strains in two different planting generations it can be concluded that the strains that exhibit phenotypic character and stable yield potential on F4 and F5 are RG1 and RG2. The strings showing potential unstable results on F4 and F5 are RG3 and RG4.

Effect of Kirinyuh Leaf Extract (Cromolaena odorata [L.] R.M. King & H. Rob) On Rice Paddy Growth (Oryza sativa L.) Variety of Mekongga in Drought Stress Condition Wahyuni, Sarti; Lande, Martha L.; Zulkifli, Zulkifli; Handayani, Tundjung T.
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

The purpose of this research was to know whether kirinyuh leaf water extract could improve the growth of mekongga varieties rice paddy under the condition of drought stress.This research was conducted at Botanical Laboratory of Biology Department Faculty of Mathematics and Natural Sciences University of Lampung from September to October 2017. The research was conducted in a 3 x 2 factorial experiment. Factor A was Polyethylene glicol 6000 with 3 levels of concentration: 0% w / v, 15% w / v, and 30% w / v. Factor B was kirinyuh leaf water extract with 2 concentration levels: 0% w / v and 2% w / v. As parameters were the mean of shoots length, fresh weight, dry weight, and the relative water content of rice seedling. Levene test, analysis of vaiance, and Tukey test were performed at 5% significant level. The results showed that water extract of kirinyuh leaves had no significant effect on shoot length, fresh weight, and dry weight of rice seedling, but influenced the relatife water content of rice seedling. From the result of research it was concluded that kirinyuh leaf water extract can not improve the growth of Mekongga rice paddy varieties at drougth stress condition

Peningkatan Produktivitas dan Pendapatan Petani Melalui Penerapan Model Pengelolaan Tanaman Terpadu Padi Sawah di Kabupaten Pesawaran, Lampung Asnawi, Robet
Jurnal Penelitian Pertanian Terapan Vol 14, No 1 (2014)
Publisher : Politeknik Negeri Lampung.

One of maintain self-sufficiency is programs realized through the implementation of field school of integrated crops management (SLPTT) target increased quality rice with rice cultivation techniques, increased cropping intensity and productivity of rice. This research was conducted at SLPTT locations of Pesawaran regency (4 district), Lampung Province, from May until September 2010. The number of observed samples consisting of 180 units such as LL VUB (Field Laboratory of New Superior Variety) location is 60 units, LL non VUB location is 60 units and non SLPTT location is 60 units. The treatment applied SLPTT LL VUB is PTT (ICM) model such as superior verieties (Inpari 1, Inpari 7, Inpari 9 and Cigeulis), jajar legowo planting system (2:1 and 3:1), and site-specific fertilizer recommendation (Ministry Agriculture recommendation), and application pattern field school (PFS). At the SLPTT LL non VUB location, treatment applied was Ciherang variety and fertilizer dose of local farmers (specific location), while non SLPTT location adapted to the habits of farmers. Data collected were production cost, yield components, and farming system problems. The results showed that the average productivity of paddy at the SLPTT LL VUB location is 7.174 kg/ha, SLPTT non VUB 6.737 kg/ha and non SLPTT 4.587 kg/ha. Use of new superior varieties (VUB) increased productivity by 8,85% compared with SLPTT non VUB and 47,13% compared with non SLPTT. Farmer income in SLPTT LL VUB locations is Rp.17.410.000,-/ha (R/C=3,15), SLPTT LL non VUB location Rp.13.488.806,-/ha (R/C=2,46) and non SLPTT location Rp.9.885.625,-/ha (R/C=2,34). Through the application of VUB in SLPTT location can increase farmers' income 29,07% to 76,12%. Keywords: increasing, production, income, SLPTT, rice

Keunggulan Komparatif dan Kompetitif dalam Produksi Padi di Kabupaten Lampung Tengah Propinsi Lampung Zulkarnain, Zulkarnain; Haryono, Dwi; Kasymir, Eka
Jurnal Penelitian Pertanian Terapan Vol 10, No 3 (2010)
Publisher : Politeknik Negeri Lampung.

This objective of tis research was to: 1) Determine whether the Central Lampung District has a comparative advantage and competitive advantage in rice production. 2) Determine how the sensitivity of changes in output prices and input prices to the comparative and competitive advantage in rice production. Location of the study was conducted at the Rama Utama Village and Ramayana Village, Seputih Raman Subdistrict of Central Lampung District. This research was conducted by survey and interview methods to farmers by using a questionnaire that had been prepared. Respondents in this research is rice farmer in the Seputih Raman subdistrict of Central Lampung District, totally 73 farmers were selected by simple random sampling method (simple random sampling). Types of data used are primary and secondary data obtained through direct interviews and offices or agencies. To answer the first objective analysis was used Policy Analysis Matrix (PAM) and to answer the second objective was used sensitivity analysis. Results showed that: 1) rice farming in Central Lampung District has a comparative advantage and competitive advantage with a value of PCR (Private Cost Ratio) equal to 0.4635 and the value of the DRC (Domestic Resource Cost) of 0.4368 so that feasible and profitable to be conducted. 2) comparative and competitive advantage of rice production in Central Lampung District is sensitive to changes in output prices. Increase or decrease of output prices will affect the comparative and competitive advantage of of rice production in Central Lampung District. Keywords: Comparative Advantage, Competitive, Paddy Production

Penggunaan Beberapa Tingkat Serat Kasar dalam Ransum Itik Jantan Sedang Bertumbuh Sutrisna, Rudy
Jurnal Penelitian Pertanian Terapan Vol 11, No 3 (2011)
Publisher : Politeknik Negeri Lampung.

This research was conducted to determine the effect of crude fiber level in rations to feed consumption, body weight, body weight gain, carcass weight, breast weight and thigh weights male duck. Male ducks 3 weeks old were divided into four treatments, each treatment ration is repeated four times using four ducks each replication. Ration of treatment given to duck experiment with the level of crude fiber 5, 10, 15, and 20%. Treatment rations containing protein (16%) and ME (2600 kcal/kg). The main source of crude fiber in the diet is fine bran. Data were analyzed using completely randomized design direction, then the test with Duncan Multiple Range Test. The level of crude fiber significantly affect (P<0.05) on average feed intake, body weight, body weight gain, carcass weight and breast weight male duck. Keywords: Male ducks, Crude fiber, Carcas

Analisis Strategi Pengembangan Biogas Sebagai Energi Alternatif Rumah Tangga Dengan Memanfaatkan Limbah Ternak Kotoran Sapi Ningrum, Septia; Supriyadi, Supriyadi; Zulkarnain, Zulkarnain
Jurnal Penelitian Pertanian Terapan Vol 19, No 1 (2019)
Publisher : Politeknik Negeri Lampung.

The development of alternative energy which is sourced from cow manure has good prospect to fulfill domestic needs of society. There is one way that can be done by turning farm waste, especially cow manure, to alternative energy as the substitution of fuel in form of biogas. The aim of the study was to analyze developing strategy of biogas as domestic alternative energy by making use of cow manure in Sari Bhakti village, District of Seputih Banyak in Region of Lampung Tengah. The method used in this study was SWOT analysis. Respondents were selected purposively (purposive sampling) from Sari Bhakti village, district of Seputih Banyak with the total sample were 25 cow farmers and 4 experts who have the competence in developing biogas from cow manure. The research finding showed that based on the result analysis of SWOT metrics, recommendation that should be given is ?progressive strategy?. Alternative strategy that can be applied is by utilizing cow farming group to get support from the governance in order to decrease the pollution of environment and to increase the prosperity of society, moreover, increasing socialization of biogas as domestic alternative energy is essential to increase the role of farming group in innovating technology of alternative energy.

Uji Efektifitas Herbisida Atrazin, Mesotrion, dan Campuran Atrazin+Mesotrion terhadap Beberapa Jenis Gulma Wati, Nana Ratna; J. Sembodo, Dad Resiworo; Susanto, Herry
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

Pengaruh Imbangan Hijauan-Konsentrat dan Waktu Pemberian Ransum terhadap Produktivitas Kelinci Lokal Jantan Qisthon, Arif
Jurnal Penelitian Pertanian Terapan Vol 12, No 2 (2012)
Publisher : Politeknik Negeri Lampung.

This research was conducted to study the effect of ration with certain ratio of forage-concentrate and the time of feeding on productivity of male local rabbits. Eighteen rabbits were used in Completely Randomized Block Design with factorial pattern 3 x 2. The rabbits was devided in three groups based on its body weight. Body weight of the first group, the second group, and the third group respectively 1.085 -1.185 g, 1.200-1.365 g, and 1.380-1.530 g. There were two factors in this design. The first factor were ration with certain ratio of forage-concentrate (R). In that factor there was three treatmens, ration with ratio of forage-concentrate 60%:40 as the first treatment (R1), 50% :50% as the second treatment (R2), and 40%:60% as the third treatment (R3). The second factor was the time of feeding (W). There were two treatments in this factor, the time of feeding on day (at 06.00 am. up to 06.00 pm.) as the first treatment (W1) and on night (at 06.00 pm. up to 06.00 am.) as the second treatment (W2). The result indicated that there was no interaction (P>0.05) between ration with certain ratio of forage-concentrate and the time of feeding on feed consumption, average daily gain, and feed efficiency. The factor of ration with certain ratio of forage-concentrate affected (P<0.05) feed consumption, however didn?t affect (P>0.05) average daily gain and feed efficiency. Feed consumption of the rabbits that got treatment ration with ratio of forage-concentrate 40:60% (R3) was the lowest. The time of feeding didn?t affect (P>0.05) feed consumption, average daily gain, and feed efficiency. Keywords: Forage, concentrate, ration, rabbits

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

This experiment aims to determine 1) The effect of shading and nitrogen fertilizer to production of Pennisetum purpureum ; and 2) The effect of shading and nitrogen fertilizer 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 shading and (50%) 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 evidently decrease the production of Pennisetum purpureum 60 %. Quality of Pennisetum purpuremlike nitrate content, crude protein content 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. Key words : Pennisetum purpureum,elephant grass, paranet shade, nitrogen

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