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Efek Pemberian Solid Dan Biourine Sapi Terhadap Pertumbuhan Kakao (Theobroma cacao L.) Sahrudin Siregar; Yusmaidar Sepriani; Siti Hartati Yusida Saragih
JURNAL MAHASISWA AGROTEKNOLOGI (JMATEK) Vol 2, No 1 (2021): JMATEK FEBRUARI 2021
Publisher : JURNAL MAHASISWA AGROTEKNOLOGI (JMATEK)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (186.885 KB)

Abstract

This research has been carried out in Labuhanbatu University’s North Sumatera Experimental Field. Starting in April 2020 until completion. The height of the placa ranges from ± 25 meters above sea level with a flat topography. This study aims to determine the effect of giving Solid and Biourine Cow on the growth of cocoa seedlings. This study used a factorial randomized block design (RBD) with 2 factors that were examined and repeated 3 times. The treatment are: Solid Fertilizer (S) treatment factor with 3 levels, namely: S0= No treatment (control), S1= 100 g Solid/polybag and S2= 200 g Solid/polybag. The second factor was giving Cow Biourine (B) with 3 levels, namely: B0= without treatment (control), B1= 150 ml/500 ml water polybag and B2= 300 ml/500 ml water/polybag. The number of treatment combinations 3x3= 9 treatment combinations namely: S0B0, S1B0, S2B0, S0B1,S1B1, S2B1, S0B2, S1B2 and S2B2. The data from the obsevations were analyzed using analysis of variance (ANOVA) and continued with the mean difference testKeywords: Solid, Beef Biourine, Cocoa, Growth
IDENTIFICATION OF TYPES OF INSECT PESTS AND THE LEVEL OF DAMAGE CAUSED TO OIL PALM PLANTS IN AIR MERAH VILLAGE KAMPUNG RAKYAT DISTRICT SOUTH LABUHANBATU REGENCY Dwi Sapria; Badrul Ainy Dalimunthe; Hilwa Walida; Yusmaidar Sepriani
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 5 No. 4 (2025): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v5i1.2625

Abstract

This study aims to identify pest insect species and the level of damage they cause to oil palm plants in Air Merah Village, Kampung Rakyat District, South Labuhanbatu Regency. The research method used is a descriptive quantitative approach with purposive sampling techniques. The results showed that six species of pest insects were found, classified into three orders: Lepidoptera, Coleoptera, and Orthoptera. The most commonly found species was Setothosea asigna. The level of plant damage varied, with an average percentage of 27.46%, categorized as moderate damage. Pest insects attacking oil palm plants have the potential to reduce plant productivity, making it necessary to implement proper pest control strategies to minimize their impact. This research provides essential information for farmers in mitigating pest attacks and improving oil palm production.