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Jurnal Penelitian Pendidikan IPA (JPPIPA)
Published by Universitas Mataram
ISSN : 24602582     EISSN : 2407795X     DOI : -
Core Subject : Science, Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics
Science Educational Research Journal is international open access, published by Science Master Program of Science Education Graduate Program University of Mataram, contains scientific articles both in the form of research results and literature review that includes science, technology and teaching in the field of science. The Science Educational Research Journal is published twice in a year in January and July editions. The editors receive writing in Indonesian or English, either from the university or from outside the university.
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Articles 15 Documents
 1   2 
Search results for , issue "Vol. 8 No. SpecialIssue (2022): December" : 15 Documents clear
Tolerance Some Soybean Cultivars to Stress Drought at Vegetative to Generative Phase Ahmad Riduan; Rainiyati Rainiyati; Yuia Alia; Sosiawan Nusifera
Jurnal Penelitian Pendidikan IPA Vol. 8 No. SpecialIssue (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8iSpecialIssue.2487

Abstract

Soybean is one of crop which many conducting in Jambi province, where this area is one of sentra soybean producer in Indonesia. Main constraint in expansion of soybean in Jambi province is ability of adaptation of low crop to condition of area that is partly are consisted of area of marjinal with level of low fertility , applies strains or cultivar indication by drought tolerance to earn is one of the solutions forplies strains or cultivar indication by drought tolerant to earn is one of alternative of trouble-shooting. Examination of soybean cultivar tolerance to stres drought at vegetative to generative phase (15 - 45 Day After Plants / DAP) done in glasshouse by using Split Plout Design. Treatment of stres drought as main check and soybean cultivar as child of check. From result of observation, treatment of stres dryness at vegetative phase and generative can reduce and pursues growth and result of soybean cultivar tested. But for soybean cultivar Derap-1, Dena-2, Deja-2, Dering-1, Grobogan, Detam-1 and Dega-1, treatment of stres drought exactly causes improvement of root length to range from 7,14 - 60,57%. Based on variable dry weigh seed,seven soybean cultivars tested canot be classified in group of tolerant and tolerant medium to stres drought at vegetative to generative phase that is var. Argo Mulyo, Dena-1, Derap-1, Dena-2, Deja-2, Dering-1, Grobogan dan Detam-1. Stres drought causes improvement can of leaf prthe mechanism of soybean tolerance to stres drought can improve root length as mechanism of tolerance in morphology and or improveprovement of root length as mechanism of tolerance in morphology and or through improvement of proline content as mechanism of tolerance physiologically
Potential of Weed As Raw Material for Animal Feed on The Integration of Cattle with Coconut Plantations I Ketut Ngawit; Nihla Farida
Jurnal Penelitian Pendidikan IPA Vol. 8 No. SpecialIssue (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8iSpecialIssue.2488

Abstract

Constraints on the use of forage for animal feed in smallholder coconut plantations are product availability and chemical composition of nutrients that are lacking and their production potential is low. The reason for this is that the soil under the shade of coconut is not managed intensively. The aim of the study was to evaluate the management of coconut shaded soils based on their ability to increase the potential of forage products and their capacity for raising cattle. The results showed that the production of forage products as raw material for animal feed was the best obtained in the system of planting patterns of sweet corn-long beans-fallow and long beans-sweet corn-fallow. The cropping pattern found 5 species of weeds in the Poaceae family, 4 species of broadleaf weeds and 2 species of puzzles with a palatable level in the category of favored to very favored with an inedible weight percentage of 75.431–98.732%. The Poaceae weed family gave the highest contribution to the total forage production per hectare, which was 8.72 kw ha-1 day-1. While the lowest of broadleaf weeds and puzzles in the system of long bean-sawley-fallow cropping pattern was 1.22 kw ha-1 day-1 and the mustard-longbean-fallow cropping pattern was 1.31 kw ha-1 day-1. The carrying capacity of coconut shaded soil for raising cattle, before being managed was 0.83 ST ha-1-1.52 ST ha-1, after being managed it increased significantly, especially in the sweet corn-longbean-fallow and longbean cropping system. - fallow sweet corn to 2.612 ST ha-1 – 3.87 ST ha-1
Use of Soil Ameliorant And Inorganic Fertilizer to Increase Soil Fertility Phosphorous Concentrations in Plant Tissue, Growth and Yield of Shallot in Dry Land Mulyati Mulyati; A.L Sania; J Priyono; A.B Baharuddin; R.S Tejowulani
Jurnal Penelitian Pendidikan IPA Vol. 8 No. SpecialIssue (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8iSpecialIssue.2498

Abstract

Sub-optimal land use including dry land in West Nusa Tenggara (NTB) has not been optimal due to various land biophysical constraints such as low soil fertility, physical conditions with rough soil texture, and uncertain water availability, so efforts are needed to improve the land condition. . Shallots (Allium ascalonicum L.) is one of the vegetables that have a high enough potential to be developed in the land. The purpose of this study was to determine the interaction of various soil enhancers and doses of inorganic fertilizers on growth, tuber yield, and P content of shallot plants in suboptimal land. The method used in this research is the experimental method. The experimental design used was a Randomized Block Design which was arranged in a factorial design consisting of two factors. The first factor is a soil amendment, consisting of 4 types, namely: P0= without soil ameliorant; P1= 20 tons ha-1 manure; P2= 5 tons ha-1 biochar; P3= 10 tons ha-1 mushroom baglog waste. The second factor was the dose of NPK fertilizer, consisting of N1=150 kg ha-1; N2 = 300 kg ha-1; N3=450 kg ha-1. Each treatment combination was repeated 3 times. The results showed that there was an interaction between soil amendments and the dose of NPK fertilizer on organic C and soil CEC. But there was no interaction between the growth and yield of shallot bulbs. Soil ameliorant and dose of NPK fertilizer alone affected growth, namely the height and number of leaves of shallot plants. The best treatment for tuber yield was obtained in a combination of an application of 20 tons ha-1 of manure and 450 kg ha-1 of NPK fertilizer. Likewise with the P concentration in the onion plant tissue.
Risk Control of Moon Orchid Production Using FMEA Method and Fishbone Diagram Zumi Saidah; Nur Syamsiah; Abhyasa Hardhiawan
Jurnal Penelitian Pendidikan IPA Vol. 8 No. SpecialIssue (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8iSpecialIssue.2506

Abstract

One type of orchid that is known to the public is the type of Phalaenopsis amabilis or the moon orchid. Orchid cultivation is inseparable from production risks that are influenced by internal and external factors. This risk allows the occurrence of an event that may cause losses. This study aims to identify sources of risk, analyze sources of risk priority management, and propose actions to control the production of Orchid Bulan. This research was conducted by Salsa Orchid, located in Cihideung Village, Parongpong District, West Bandung Regency, West Java Province. Identification and analysis of the impact of the risks posed are analyzed using the Failure Mode and Effect Analysis (FMEA) method, while to analyze the source of risk that is a priority for treatment is analyzed using a Fishbone Diagram. The study results show that critical values that must be addressed immediately are insufficient sunlight, too close spacing, low level of labor discipline, and less strategic production locations. The proposed handling of the risk of lack of sunlight is carried out by adjusting the intensity of light from the existing shade according to the needs of the moon orchids. Spacing that is too close is overcome by rearranging the position of the spacing so that the orchid leaves do not cover one another. The low level of labor discipline is overcome by intensive supervision of the work and employee work results. Production locations that are not strategic are overcome by using air conditioners and blowers to regulate air circulation, temperature, and humidity in the greenhouse
Effect of MVA Indigenous Isolates and Types of Planting Media on Growth and Result of Corn Plant on Dry Land Central Lombok Sukmawati Sukmawati; I Made Adnyana; Dewa Ngurah Supraptha; Rizki Busaifi
Jurnal Penelitian Pendidikan IPA Vol. 8 No. SpecialIssue (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8iSpecialIssue.2470

Abstract

The potential of agriculture in Indonesia has not been fully explored. Indonesia has favorable climatic conditions, natural resources and human resources. West Nusa Tenggara (NTB) has an unproductive land area of 1.807.463 ha of the total area of NTB. One of the efforts to increase the productivity of dry land is the application of biological fertilizer. Biofertilizer that are expected to have a high contribution in increasing fertilization efficiency are Vesicular Arbuscular Mycorrhizae (MVA). MVA is important to apply to infertile soils with low nutrient content. The aim of this study was to determine the effect of MVA isolates Indegenous and media types on the growth and yield of corn plant on dry land in Central Lombok The study was carried out for 3 months using a Completely Randomized Design (CRD) with consisted of 2 factors, namely the Indegenous MVA isolate type factor with consisted of 3 levels and the planting media type factor consisting of 4 levels where each treatment was repeated 3 times so that 36 unit were obtained test. The results showed that the variety of isolates showed significant differences in all parameters of growth and yield of corn plat (plant height, root lengthand root weight). The type of planting media showed a significant difference in the parameters of root weight of corn plants. The high growth and yield response of corn plant was thought to be due to the association between corn plant and MVA which was seen in the increased plant growth in all MVA inoculated treatments with the highest plant growth in the treatment using isolate I2 (Gigaspora sp.) on the parameters observed for plant height, root length and root weight. In all parameters observed for corn  plant growth, it was found that the genus Gigaspora was superior to the genus Glomus. The best kind of planting media in increasing the growth of corn plants is a mixture of rice husk and soil biochar media with a ratio of 1:3. The use of husk and soil biochar media that was given spores of the genus Gigaspora gave the best corn plant growth

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