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All Journal Minda Baharu Jurnal Agronomi Tanaman Tropika (JUATIKA) Jurnal Agroplasma International Journal of Science and Environment
Fitra Syawal Harahap
Program Studi Agroteknologi, Fakultas Sains dan Teknologi, Universitas Labuhanbatu
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Mathematics Physics Other

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Journal : Jurnal Agroplasma

 1 
Pemberian Pupuk Urea dan Pupuk Kandang Lembu Terhadap Pertumbuhan dan Produksi Tanaman Sawi Hijau (Brassica Juncea L.) Fitra Syawal Harahap; Febri Khoiri Sagala
JURNAL AGROPLASMA Vol 9, No 1 (2022): AGROPLASMA VOL 9 NO 1
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v9i1.2696

Abstract

The application of urea and cow manure on ultisol soil for mustard greens (Brassica Juncea L) aims to determine the treatment of cattle fertilizer on increasing leaf area, root volume and plant fresh weight. as well as the interaction of giving oxen fertilizer (t/ha) and urea fertilizer to mustard greens. This research was conducted in N4 Village with a height of 18 meters above sea level in Labuhanbatu Regency from December 2020 to March 2021. The study will be conducted with a factorial group design. The first factor is the provision of factorial Randomized Block Design (RAK) which consists of 2 factors, the first factor is Ox manure (K) which consists of 3 levels and the second factor is the provision of Urea fertilizer which consists of 2 dose levels, so that 6 treatment combinations are obtained. - 4 replicates each, resulting in 24 plots. Each plot consisted of 25 plants and 5 plants were taken as samples. Parameters observed were plant height (cm), number of leaves (strands), leaf area (cm2), root volume (ml) and plant fresh weight (g). The data obtained from the results of the study were statistically analyzed by means of variance and continued with the Duncan's New Multiple Range Test (DNMRT) at a level of 5%. The results of the study. urea dose of 100 kg/ha was able to produce an increase in leaf area, root volume and plant fresh weight. As well as the interaction of the application of ox-fertilizer (t/ha) and urea fertilizer gave a significant effect on the parameters of leaf area, root volume and plant fresh weight.
Persiapan Olah Tanah di Lahan Praktek Universitas Labuhanbatu pada Jenis Cacing Tanah di Beberapa Vegetasi Tanaman Fitra Syawal Harahap; Azis Cibro; Iman Arman; Fauzi Ahmad Syawaluddin; Abdul Rauf
JURNAL AGROPLASMA Vol 10, No 1 (2023): JURNAL AGROPLASMA VOLUME 10 NO 1 TAHUN 2023
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v10i1.3616

Abstract

First tillage is the process of rearranging lumps of soil and the structure of the soil into crumbs, which allows for faster water infiltration, sufficient air exchange, and the control of weeds. Tillage work is preparation for planting.The role that earthworms play as a fertilizer for the soil as a whole, particularly their capacity to enhance soil properties like nutrient availability, organic matter decomposition, mineral weathering, and others in order to boost soil productivity.The purpose of this study was to determine the earthworm population level in Lalang, No Vegetation, Corn Districts using a variety of land preparation and weed management strategies.From July to October 2022, Labuhanbatu University hosted three local plant vegetation studies: Lalang, No Vegetation, and Maize.The quadratic method and hand sorting were used to observe earthworms, plot plots were made with a 30 x 30 cm frame, and soil samples were taken.each frame as deep as 20 cm, and then placed in the container.After sampling begins between 8:00 and 11:00 WIB, the soil is sorted for earthworms.After being collected and cleaned, the earthworms were counted, placed in a sample bottle, and preserved with 70% alcohol. The earthworm samples were then taken to the Animal Systematic Laboratory to be identified and the number of individuals of each type found was counted.The morphology of 70% alcohol-preserved earthworms was examined under a microscope to first group them by type and then to identify them.Analysis of the Data The population density, relative density, frequency of presence, and composition of the earthworms as well as the number of individuals of each type that were obtained were all taken into consideration.There are two families of earthworm species in the Corn District: Glossoscoleadae (Pontoscolex and Megascolex species) and Megascolecidae (Megascolex species), according to the findings of research and identification carried out on land preparation for planting corn, weeds, and land without vegetation. There is only one Megascolecidae family-Megascolex speciesin the Lalang District, and there is only one Megascolecidae familyPeryonix specieswithout vegetation. Keywords:Labuhanbatu University, various kinds of vegetation, land management, and earth worms 
Co-Authors Abdul Rauf Asnan Siregar Azis Cibro Badrul Ainy Dalimunthe Badrul Ainy Dalimunthe Fauzi Ahmad Syawaluddin Febri Khoiri Sagala Hilwa Walida Hilwa Walida Hilwa Walida Ida Rumia Manurung Ida Zulfida Ika Ayu Putri Septiyani Iman Arman Laila Nazirah Rahmawaty Rahmawaty Rini Susanti vivi indah sari Wan Yuli Ferdiansyah Zuriani Ritonga