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International Journal of Science and Environment
Published by CV. Inara
ISSN : -     EISSN : 28090551     DOI : https://doi.org/10.51601/ijse.v2i4
Core Subject : Science, Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Mathematics Physics
International Journal of Science and Environment (IJSE) is to provide a research medium and an important reference for the advancement and dissemination of research results that support high-level research in the fields of Science and Environment . Original theoretical work and application-based studies, which contributes to a better understanding all fields of Science and Environment. The aim and scope of the journal Chemistry, Chemical Analysis, Physical Chemistry, Physics, Biology, Ecology, Biodiversity, Zoology, Biochemistry, Mathematics, Environmental Science, Agriculture, Environment, Forestry.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia, Genetika dan Biologi Molekuler (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "Vol. 2 No. 2 (2022): May 2022" : 6 Documents clear
The Relation Ship Between Total Soil Microbes With N, P , K Nutrient Levels By Paddy Plant (Case Study In Ajamu Village, Panai Hulu District, Labuhanbatu Regency) Renaldy, Kurnia; Hilwa, Walida; Rizal, Khairul; FS, Harahap
International Journal of Science and Environment (IJSE) Vol. 2 No. 2 (2022): May 2022
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (184.69 KB) | DOI: 10.51601/ijse.v2i2.17

Abstract

The neglect of returning organic matter to the soil and the intensive use of chemical fertilizers inpaddy fields have caused the physical, chemical, and biological quality of the soil to decline. Such soilconditions cause the population of soil biota that plays a role in nitrogen fixation and phosphatesolubility to decrease. This study aims to determine the relationship between total microbes andnutrient levels of N, P, K in rice plants in Ajamu Village, Panai Hulu District, Labuhan Batu Regency.This research was conducted from December 2021 to January 2022. Sampling was carried out bytaking leaves and rhizosphere soil of rice plants at 5 zigzag sampling points in a rice field area.Parameters observed in this study were nutrient levels of N, P, K and total microbes. The analysis wascarried out using correlation and regression methods.
Analysis of Post-Paddy Fields into Red Chili Cultivation Land in Aek Paing Village Rantau Utara District Labuhanbatu Pratama, Engkih; Sepriani, Yusmaidar; Ainy Dalimunthe, Badrul; Dorliana Sitanggang, Kamsia
International Journal of Science and Environment (IJSE) Vol. 2 No. 2 (2022): May 2022
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (140.508 KB) | DOI: 10.51601/ijse.v2i2.21

Abstract

Some communities or farmers in North Rantau Sub-district who do not know how to use land or use land for something of higher economic value. A post-rice field land is the most appropriate idea or mindset in the field, by utilizing agricultural land it becomes more useful by providing knowledge about the chemical properties of paddy fields and providing insight that paddy fields require maximum handling, restoration and improvement so that land is productive in agriculture. chili cultivation, so that it can have a good influence on the economy of the surrounding community. This study aims to determine the chemical properties of the soil to utilize red chili plants in Aek Paing Village, Rantau Utara District, Labuhanbatu Regency. This research was carried out in post-rice fields located in Aek Paing Village, Rantau Utara District, Labuhanbatu Regency. The research was carried out on October 18, 2021 until it was completed. The method used in this research is using the free grid survey method. The results of this study found that post-rice fields located in the District of North Rantau, Labuhanbatu Regency, were not well used as red chili farming land. The results of this study indicate that the pH value is low, C-Organic is low, N-total is low, P-Bray II is high, Ca is low, Mg is low, K is high, Na is low, CEC is high.
The Effect Of Leaf Cutting (P Running) On Vegetative Growth Of Red Chillies (Capsicum Annum L.) Bayu Syahputra, Ade; Sepriani, Yusmaidar; Rizal, Khairul; Ayu Putri Septiani, Ika
International Journal of Science and Environment (IJSE) Vol. 2 No. 2 (2022): May 2022
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (130.504 KB) | DOI: 10.51601/ijse.v2i2.22

Abstract

This research was carried out in Afd II Village, West Bilah District, Labuhan Batu Regency, starting in October 2021. The aim of the study was to determine the effect on the growth of Red Chili (Capsium Annum L) plants on cutting shoots on chili leaves. Chili is a staple for consumption in everyday life. Chili peppers can be made more productive by using the right gardening techniques. Maintenance measures such as cutting shoots of chili plants with a dichotomous are one approach to increase chili yields. Pruning dichotomous shoots seeks to remove less productive plant parts to maximize. This study used a completely randomized design (CRD) with 4 treatments with 5 replications, in order to obtain 22 experimental units, each bed planted with 30 chili plants. The total number of plants is 30 x 5 = 150 plants. For the experimental unit, 3 were selected to be used as plant samples. From the observations, if the F test shows a significant effect, it will be continued with the Duncan' New Multiple Range test (DNMRT) at a 5% significance level. As treatment, namely: A = Pruning 7 DAP, B = Pruning 4th branch, C = No pruning, D = Pruning 14 DAP. Cutting the tops of leaves to increase the yield of the red chili, the results of the study concluded: 1. Red chili plants that were trimmed branches made the chili plants taller, 2. Trimming leaves caused the emergence of new leaf blades to increase 3. And cutting leaf shoots was useful for improve the yield of chili plant quality. Based on the results of the study, it is recommended to trim the 4th branch because it can increase growth.
Temporal Distribution Of Arthropoda Types On Purchase (Portulaca oleracea L.) In Red Chillia Agricultural Land, Afdeling Ii Village Rantau Prapat, Bilah Barat District, Labuhanbatu Regency Harahap, Syukur; Sepriani, Yusmaidar; Walida, Hilwa; Rizal, Khairul
International Journal of Science and Environment (IJSE) Vol. 2 No. 2 (2022): May 2022
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (190.449 KB) | DOI: 10.51601/ijse.v2i2.23

Abstract

The purpose of this study was to analyze and describe the temporal distribution of arthropods on purslane (Portulaca oleracea L.) on red chili farms, Afdeling II Village, West Bilah Subdistrict, Labuhanbatu Regency. This research method is descriptive exploratory research with a quantitative approach. This is to describe and analyze the temporal distribution of arthropods in purslane (Portulaca oleracea L.). Data was observed from the arrival of arthropods at a predetermined time, namely three 3 observation times, including: time I (07.00-08.00), time II (12.00-13.00), and time III (16.00-17.00) for 10 minutes. Each time the observation was repeated 4 times. The results of this study showed that the daily visits of arthropods at 12.00-13.00 were higher than the daily visits at 07.00-08.00 and 16.00-17.00. Each family of arthropods has a different level of daily visits at each time of arrival which is caused by internal factors (physiological, reproductive ability, life cycle, age) and external factors (physical factors, food, temperature and humidity). The daily visit frequency of this arthropod indicates that purslane (Portulaca oleracea L.) is a habitat for arthropods and can be used as a refugia plant.
Strategic Alliances, Competitive Advantages, And Bandwagon Effect In The Perum Perhutani Wood Industry Setyadi , Taufik
International Journal of Science and Environment (IJSE) Vol. 2 No. 2 (2022): May 2022
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (153.506 KB) | DOI: 10.51601/ijse.v2i2.24

Abstract

The establishment of Strategic Alliances or operational cooperation with strategic partners of the Wood Industry around the Perum Perhutani work area is a necessity to increase competitiveness. This study attempts to elaborate on the Strategic Alliance between the Perhutani Wood Industry and its partners to be able to achieve a Competitive Advantage through the development of Market Areas and the development of Product Innovations or in other words to find out to what extent the Strategic Alliance can improve the position of the Perum Perhutani Wood Industry Competitive Advantage. In addition, this study also aims to determine the extent to which the implementation of the Strategic Alliance, through the development of Market Areas and Product Innovation in the Perum Perhutani Wood Industry, influences increasing Competitive Advantage. This research is descriptive and uses a qualitative approach. This research uses a literature study technique and utilizes data sources obtained from several locations, namely (1) Perhutani Forestry Institute Library, (2) Brawijaya University Central Library, and (3) Discussion with colleagues. From the research results, it is known that the Strategic Alliance model that aims to increase Competitive Advantage is the most appropriate to be applied in Perum Perhutani is a form of Strategic Alliance that focuses on the interests of cooperation in increasing Product Innovation to realize Competitive Advantage, compared to the Strategic Alliance through the development of Market Areas. It is necessary to redevelop a good Strategic Alliance with the Wood Industry business partner Perum Perhutani by implementing: (1) Reconciliation of the Wood Industry business actors who join based on compatibility, mutual need, and mutual benefit; (2) Focus and professional; (3) Pooling of resources on what is already owned by the wood industry business partners so that a perfect alliance will have an impact on the success of Perum Perhutani to become a superior company.
Plankton Diversity In The Labuhanbatu Bilar River Rosenta Purba, Ika; Harahap, Arman
International Journal of Science and Environment (IJSE) Vol. 2 No. 2 (2022): May 2022
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v2i2.27

Abstract

The purpose of this study was to determine the plankton diversity index in the Labuhanbatu Bilah River. The research was carried out from January to March 2023 using the Purposive Random Sampling method which consisted of 3 observation stations, namely station 1. There were many community activities such as Domestic Waste, Sand Mining, Agriculture, Station 2. There was Domestic Waste, Cage Fish Farming and Agriculture. and Station 3. There are community activities such as bathing, domestic and agricultural waste. The results of the study found that the plankton composition in the Bilah Labuhanbatu River consisted of 3 classes of phytoplankton, namely Bacillariophyceae, Chlorophyceae and Cyanophyceae while the class of zooplankton consisted of 4 classes, namely Mastigophora, Monogononta, Crustacea and Ciliophora. The highest diversity index of phytoplankton was obtained at station 1 of the sand mining area with a value of 1.76 indicating that the level of diversity was included in the medium category. In zooplankton the highest diversity index was found at station 3 with a value of 0.42 which indicated that the level of diversity was included in the low category. Meanwhile, the highest dominance index for phytolactones was found at station 3 in a densely populated area with a value of 0.51, while for zooplankton it was found at station 1 in a sand mining area with a value of 0.00487, both values ​​indicating that no plankton genus dominates in the area. In zooplankton the highest diversity index was found at station 3 with a value of 0.42 which indicated that the level of diversity was included in the low category. Meanwhile, the highest dominance index for phytolactones was found at station 3 in a densely populated area with a value of 0.51, while for zooplankton it was found at station 1 in a sand mining area with a value of 0.00487, both values ​​indicating that no plankton genus dominates in the area. In zooplankton the highest diversity index was found at station 3 with a value of 0.42 which indicated that the level of diversity was included in the low category. Meanwhile, the highest dominance index for phytolactones was found at station 3 in a densely populated area with a value of 0.51, while for zooplankton it was found at station 1 in a sand mining area with a value of 0.00487, both values ​​indicating that no plankton genus dominates in the area.

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