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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 All submitted articles will not be published elsewhere, original and not considered for other publications.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 15 Documents
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Search results for , issue "Vol 23 No 1 (2023)" : 15 Documents clear
Sebuah PEMUPUKAN N-P-K DAN POC TERHADAP PERTUMBUHAN, FISIOLOGI DAN HASIL TANAMAN JEWAWUT (Setaria Italica) Wildan Zaki Mubarok; Ahadiyat Yugi Rahayu; Tamad Tamad
Jurnal Penelitian Pertanian Terapan Vol 23 No 1 (2023)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v23i1.2116

Abstract

Jewawut (Setaria italica) is a cereal plant that has characteristics like rice. The use of millet as food has not been optimal for production. Millet production can be influenced by several factors, including soil conditions, plant varieties, climate and cultivation techniques. The aim of this research is to reduce the use of inorganic N-P-K fertilizers and obtain the optimal N-P-K fertilization dosage with a combination of Liquid Organic Fertilizer (LOF) treatment. The research was done on dry land in Purwanegara Village, North Purwokerto District and in the Laboratory at the Faculty of Agriculture Jenderal Soedirman University, begin at May 2019 until October 2019. The research design was a randomized block design (RBD). There are two factors was be examined, the dose of N-P-K fertilizer and the concentration of two types of POC. The recommended dosage of N-P-K fertilizer for millet is N 138 kg / ha, P2O5 54 kg/ha, and K2O 45 kg/ha. The N-P-K fertilization treatment was divided into 25%, 50%, 75% 100%. Combined with LOF consisting of control, bamboo root  LOF concentrations of 5 ml/l and 10 ml/l, Rabbit urine LOF 50% with concentrations of 2 ml / l and 4ml / l. The results showed that the growth characters due to application of 50% N-P-K fertilization equal with 100% N-P-K on plant height. Application of 50% N-P-K gained the optimum of flowering age and yield per hectare. Liquid organic fertilizer had not improved on growth and yield of foxtail millet yet.
KARAKTER AGRONOMI DAN FISIOLOGI TANAMAN PADI (Oryza sativa L. cv Inpari Unsoed 79 Agritan) YANG TERINFEKSI Xanthomonas oryzae pv. oryzae DAN DIINOKULASI RHIZOBACTERIA INDIGENOUS LAHAN SALIN purwanto; Prastowo Aji Budi Hutomo
Jurnal Penelitian Pertanian Terapan Vol 23 No 1 (2023)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v23i1.2215

Abstract

One of the goals of Indonesia's rice improvement program is to develop high-yielding varieties with long and slender rice grains. This study aimed to estimate the genetic parameters affecting gene action, amount of gene action, number of gene control, magnitude of genetic variability, heritability, genetic advance, and correlations between yield components and yield of Inpari 31 x Basmati Delta 9 in the F2 generation. The experiment was carried out at an experimental farm at the Faculty of Agriculture, Jenderal Soedirman University, Purwokerto, Central Java, Indonesia. The genetic material used was seed from an F2 population crossed between Inpari 31 and Basmati Delta 9 with the two parental genotypes. Estimates of skewness, kurtosis, genetic variability, heritability, genetic advance, correlations between traits and path analysis were calculated for yield and yield component traits. Results show that additive and complementary epistatic action control yield-related and yield traits. Yield-related trait components and yield are controlled by a monogenic or polygenic genes, depending on the observed trait. Wide genetic variability, high broad sense heritability and high genetic advance were found in the number of productive tillers per hill and grain weight per panicle.  These traits show a significant positive correlation and have a direct effect on the yield; therefore, they can be used as traits in the selection to produce high-yielding rice, with long rice sizes and slender shapes.  
EKSPLORASI KARAKTER SEKUNDER UNTUK SELEKSI TIDAK LANGSUNG PADA JAGUNG DI KONDISI KEKERINGAN Slamet Bambang Priyanto; Moch. Arif Subechan
Jurnal Penelitian Pertanian Terapan Vol 23 No 1 (2023)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v23i1.2249

Abstract

Yield maize direct selection at drought conditions sometimes is inefficient. Indirect selection through secondary characters can increase selection efficiency. This study aims to obtain secondary characters that can be used for indirect selection. This research was conducted at IP2TP Bajeng, Indonesia Cereal Research Institute, Gowa Regency, South Sulawesi Province from July to November 2020. The research was arranged in a randomized Alpha Lattice group design with three replications. The genotypes used were 36 hybrid maize candidates and four comparison varieties. Characters that have high diversity are determined by a loading factor value of more than 0.7. The correlation between secondary characters and yield was using Pearson correlation and heritability ​​are derived from the analysis of variance. The results showed that the characters of day to anthesis, day to silk, number of harvested ears and ear diameter were secondary characters that could be used as the indirect selection of maize in drought conditions.   drought;; indirect selection, maize; secondary characters
Alfisol Soil Fertility Before Planting and After Harvest as Meloon Planting Media with Bioboost Fertilization Nurul Fajeriana; Muzna Ardin Abdul Gafur
Jurnal Penelitian Pertanian Terapan Vol 23 No 1 (2023)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v23i1.2278

Abstract

Soil fertility is the potential of the soil to provide nutrients in sufficient quantities in available and balanced forms to ensure optimum plant growth and production. The current availability of nutrients in the soil has decreased due to continuous land use with the use of chemical fertilizers in the cultivation process, plus leaching and erosion by rainwater, not least in Alfisol soils. Therefore, fertilization with organic materials is carried out, namely the provision of Bioboost fertilizer. Bio boost is a biological fertilizer containing superior soil microorganisms, helpful in increasing soil fertility as a result of soil biochemical processes. One of the applications of organic cultivation is the cultivation of melon (Cucumis melo L.) because melon is a plant with high economic value and is profitable to be cultivated as a source of income for farmers. Based on this, a study was conducted to determine the nutrient status of Alfisol soil before planting and after harvesting which was used as a Melon plant with various concentrations of Bioobost fertilization. Furthermore, for the analysis of soil fertility, laboratory analysis was carried out by taking 1 kg of disturbed soil samples that had been air-dried and then analyzing soil properties, namely texture, pH (H2O), C-Organic (%), Nitrogen (%), P2O5 (ppm), K (cmol kg-1), Ca (cmol kg-1), Mg (cmol kg-1), Na (cmol kg-1), Na (cmol kg-1), CEC (cmol kg-1), and base saturation (%). The application of Bio boosts fertilizer showed an increase in the nutrient status of Alfisol soil as a Melon growing from low to moderate categories before planting to medium to high categories after harvest. The more concentration of Bioboost fertilizer given, the soil nutrient status also increases. The concentration of P4 (1100ml bio boost + 400ml water) gave the highest increase in nutrient status. Keywords: Agrotechnology; organic-fertilizer; soil-chemical
Factors That Determine Farmer Participation Rate In The Farmer Group Latarus Fangohoi; Yohanis Y. Makabori; Yuliana Ataribaba
Jurnal Penelitian Pertanian Terapan Vol 23 No 1 (2023)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v23i1.2288

Abstract

Participation is the encouragement and mental involvement of a person to contribute. Be responsible for his group and increase awareness. Organize groups where individual characteristics differ from one another. The purpose of the study was to determine the level of farmer participation and the relationship between the characteristics of farmer group members. The method of determining respondents using the census method. Analyzing the relationship between the dependent variable and the independent variable, using the Spearman Rank test method. The extension evaluation method used a standard T-score and the data were analyzed descriptively. The results of this study indicate that the level of participation of farmers in planning and implementation has a very high level of participation. The level of participation of farmers in the evaluation stage is high and the level of participation of farmers in the stage of enjoying the results is very high. The results of the interaction of internal factors and external factors have a fairly strong and unidirectional relationship level so that H0 is rejected and Ha is accepted.   Keywords: Correlation, External Factor, Internal and Participation
Uji Sifat Campuran Herbisida Berbahan Aktif 2,4-D Dimetil Amina+Isopropilamina Glifosat terhadap Gulma Ottochloa nodosa, Cyperus rotundus, dan Praxelis clematidea Ardan Maulana; Herry Susanto; Hidayat Pujisiswanto; Nanik Sriyani
Jurnal Penelitian Pertanian Terapan Vol 23 No 1 (2023)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v23i1.2294

Abstract

Chemical weed control in cultivated plants generally uses one herbicide active ingredient, but its effectiveness in controlling weeds can be increased by mixing herbicides. Mixing of more than 1 active ingredient can be additive, synergistic, and antagonistic with other active ingredients. Therefore, it is necessary to study the combination of herbicide active ingredients that will be used. The aim of the study was to determine the herbicide properties of a mixed 2,4-D dimethyl amine + Isopropylamine Glyphosate applied to the weeds Ottochloa nodosa, Cyperus rotundus, and Praxelis clematidea whether additive, synergistic, or antagonistic. The research was carried out from December 2020 to February 2021, at the Integrated Field Greenhouse and Weed Science Laboratory, Faculty of Agriculture, University of Lampung. Using a Randomized Block Experiment Design (RAK) with treatment consisting of the herbicide Goldenstar with a single active ingredient 2,4- D dimethyl amine 100g/l with doses of active ingredients consisting of 25, 50, 100, and 200 g/ha, Isopropylamine Glyphosate 300 g/l with doses of active ingredients consisting of 75, 150, 300, and 600, g/ha and herbicides Goldenstar active ingredient mixture of 2,4-D dimethyl Amine + Isopropylamine Glyphosate 100/300 g/l with a dose of active ingredients consisting of 50, 100, 200, and 400 g/ha and control treatment (without herbicides). The target weeds included Otthocloa nososa, Cyperus rotundus, and Praxelis clematidea. Analysis to test the nature of herbicide mixture using the MSM (Multiplicative Survival Model) test. Furthermore, the co-toxicity value was calculated by comparing the expected LD50 and treatment LD50 values. The results showed that mixing herbicide with the active ingredient 2,4-D dimethyl Amine + Isopropylamine Glyphosate 100/300 g/l on the dry weight accumulation of the weeds Ottochloa nodosa, Cyperus rotundus, and Praxelis clematidea had an LD50 of 1.8424 g/ha and an LD50 of treatment. The expectation is 4.8270 g/ha with a co-toxicity value of 2.6 (co-toxicity value > 1) so that the herbicide mixture with the active ingredient 2,4-D dimethyl Amine + Isopropylamine Glyphosate 100/300 g/l is synergistic. . Keywords : 2,4-D dimethyl amine, Isopropylamine glyphosate, LD50, MSM (Multiplicative Survival Model)
PENGARUH JENIS MEDIA PUPUK KANDANG DAN PEMBERIAN PUPUK ORGANIK CAIR DAUN LAMTORO TERHADAP PERTUMBUHAN BIBIT VANILI (Vanilla planifolia) Abdurrahman Salim; Ujang Setyoko; Abdul Madjid; Hasyim Asyari
Jurnal Penelitian Pertanian Terapan Vol 23 No 1 (2023)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v23i1.2306

Abstract

Provision of nutrients is one of the important things in plant cultivation. One of the nutrients that can be obtained from organic fertilizers. Manure is one type of organic fertilizer that can increase soil nutrients. The manure used in the media is cow and goat manure. In addition to manure, the application of Liquid Organic Fertilizer (POC) of lamtoro leaves can also provide nitrogen elements in the soil. The element nitrogen has good benefits for nurseries because it can accelerate vegetative growth in plants. The purpose of this study was to determine the effect of adding manure media by giving lamtoro leaf POC to vanilla seeds. This research was carried out at the Jember State Polytechnic in July – November 2020. This study used a factorial randomized block design with two factors, namely the first factor was 3 types of planting media consisting of control, addition of cow kendang fertilizer and addition of cow kendang fertilizer. Then the second factor was giving lamtoro leaf liquid organic fertilizer with three levels consisting of control, 25%, and 50%.. The results showed that goat manure showed the best results in increasing shoot length, shoot diameter, leaf width and wet weight of vanilla plants. Application of liquid organic fertilizer with a concentration of 50% gave the best results for increasing shoot length, shoot diameter and wet weight of vanilla plants. Meanwhile, the interaction does not show a significant effect. Keywords:Lamtoro Leaves; Manure; POC; Vanilla plant
TINGKAT PENGETAHUAN PETANI PADI SAWAH TERHADAP INOVASI TRANSPLANTER DI KELOMPOK TANI SINAR KENCANA II KAMPUNG BUMI KENCANA Inara Angsi Prastisi; Indah Listiana; Helvi Yanfika; Serly Silviyanti S
Jurnal Penelitian Pertanian Terapan Vol 23 No 1 (2023)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v23i1.2326

Abstract

Sinar Kencana II Farmers Group is a farmer group that received transplanter machine assistance, but the majority of farmers still carry out the conventional rice planting process, only 20% of farmers have used transplanters. Farmers are still reluctant to use and apply transplanter machines on their farms because of limited knowledge and information about the use of these tools. This study aims to determine the level of knowledge of lowland rice farmers and the factors associated with the level of knowledge of farmers to transplanter innovation. This research was conducted at the Sinar Kencana Farmer Group II Kampung Bumi Kencana, Seputih Agung District, Central Lampung Regency. The data in this study were taken in October-November 2021. Determination of the number of samples using purposive sampling technique for all members who are members of the Sinar Kencana II farmer group as many as 62 respondents. The types of data taken are primary data and secondary data. Methods of data collection is done by observation, interviews and documentation. This study used census method and the data were analyzed descriptively with a quantitative approach and correlation analysis to see the factors related to the level of knowledge of farmers. The results showed that the level of knowledge of lowland rice farmers to transplanter innovation was generally in the high category with a score of 45,16%, knowledge of how to use transplanters was in the medium category with a score of 35,48%, and knowledge about the benefits of transplanters was in the high category with a score of 41,94%. The variables of formal education, non-formal education, and sources of information have a relationship or correlate with the level of knowledge of lowland rice farmers on transplanter innovation, while the variables of age and length of farming have no relationship with the level of knowledge of lowland rice farmers on transplanter innovation. Keywords: innovation, knowledge, transplanter
Dampak perubahan iklim terhadap produksi tanaman pangan di indonesia: DAMPAK PERUBAHAN IKLIM TERHADAP PRODUKSI TANAMAN PANGAN DI INDONESIA Leo Rio Ependi Malau; Khoiru Rizqy Rambe; Nur Arifatul Ulya; Arly Getha Purba
Jurnal Penelitian Pertanian Terapan Vol 23 No 1 (2023)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v23i1.2418

Abstract

Climate change posed serious challenge for Indonesia to fullfil demand. One of the climate change phenomena that affects the agricultural sector, especially food crops, is the El Nino Southern Oscillation (ENSO) which consists of El Nino and La Nina. ENSO causes rainfall variability that adversely affects the production of food crops such as rice, corn and soybeans This research aims (1) to identify provinces affected by ENSO in Indonesia and (2) to analyze the impact of ENSO and other determinants on food crop production (rice, corn, soybeans) in the affected provinces. The study used secondary panel data 2010-2017 period from 16 provinces affected by ENSO. Pearson correlation and static panel regression are used to answer research objectives. Rainfall was used as a proxy for the ENSO phenomenon The results showed that most provinces in Indonesia were affected by ENSO, as indicated by negative and significant correlation between the Oceanic Nino Index (ONI) and rainfall. Static panel regression showed that ENSO had a significant impact on rice and soybean production as indicated by rainfall indicators. El Nino that resulted ina significant decrease in rainfall has a greater impact on rice and soybean production, while La Nina that resulted in a significant increase in rainfall had a greater impact on soybean production. In general, El Nino has a greater impact on food crop production than La Nina   Keywords: El Nino, Food Crops, La Nina, Rainfall, Static Panel
PARAMETER GENETIK DAN ANALISIS HUBUNGAN ANTAR SIFAT PADA GENERASI F2 PADI HASIL PERSILANGAN INPARI 31 X BASMATI DELTA 9 Agus Riyanto; Dyah Susanti; Totok Agung Dwi Haryanto
Jurnal Penelitian Pertanian Terapan Vol 23 No 1 (2023)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v23i1.2433

Abstract

One of the goals of Indonesia's rice improvement program is to develop high-yielding varieties with long and slender rice grains. This study aimed to estimate the genetic parameters affecting gene action, amount of gene action, number of gene control, magnitude of genetic variability, heritability, genetic advance, and correlations between yield components and yield of Inpari 31 x Basmati Delta 9 in the F2 generation. The experiment was carried out at an experimental farm at the Faculty of Agriculture, Jenderal Soedirman University, Purwokerto, Central Java, Indonesia. The genetic material used was seed from an F2 population crossed between Inpari 31 and Basmati Delta 9 with the two parental genotypes. Estimates of skewness, kurtosis, genetic variability, heritability, genetic advance, correlations between traits and path analysis were calculated for yield and yield component traits. Results show that additive and complementary epistatic action control yield-related and yield traits. Yield-related trait components and yield are controlled by a monogenic or polygenic genes, depending on the observed trait. Wide genetic variability, high broad sense heritability and high genetic advance were found in the number of productive tillers per hill and grain weight per panicle.  These traits show a significant positive correlation and have a direct effect on the yield; therefore, they can be used as traits in the selection to produce high-yielding rice, with long rice sizes and slender shapes.   Keywords: F2 population; genetic parameters; interrelationship among traits; rice

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