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Larashinda, Mentari
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Journal : Jurnal Agroplasma

 1 
Pengaruh Penggunaan Berbagai Media Tanam Pada Proses Pembibitan Durian (Durio zibethinus Murr. ) Rency, Dini Ayesta; Amelia, Kiki; Sari, Wilna; Larashinda, Mentari
JURNAL AGROPLASMA Vol 13, No 1 (2026): Jurnal Agroplasma Vol 13 No 1 Mei 2026
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v13i1.8822

Abstract

This study aimed to evaluate the effect of different growing media on the early growth of durian seedlings (Durio zibethinus Murr.) and to determine the most effective medium for nursery production. The experiment was conducted using a Completely Randomized Design (CRD) with four treatments: P0 (topsoil + cow manure), P1 (topsoil + cow manure + rice husk), P2 (topsoil + cow manure + cocopeat), and P3 (topsoil + cow manure + sawdust) at a ratio of 1:1:1. Observed parameters included plant height, number of leaves, stem diameter, leaf width, leaf length, leaf color, and growing media pH. Data were analyzed using analysis of variance (ANOVA) followed by DMRT at a 5% significance level. The results showed that growing media significantly affected leaf length, while plant height, number of leaves, stem diameter, leaf width, leaf color, and media pH were not significantly different among treatments. Treatment P2 produced the longest leaves (13.26 cm) and showed the best overall growth performance. The addition of cocopeat improved moisture retention, aeration, and nutrient absorption efficiency, supporting vegetative growth. Therefore, P2 medium is recommended as the most effective growing medium for durian seedling production. Keywords: durian, growing medium, seedling, vegetative 
Pengaruh Media Tanam Berbahan Dasar Cocopeat Pada Pembibitan Kakao (Theobroma cacao L.) Ardilla, Vina Ayesta; Sari, Wilna; Amelia, Kiki; Larashinda, Mentari
JURNAL AGROPLASMA Vol 13, No 1 (2026): Jurnal Agroplasma Vol 13 No 1 Mei 2026
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v13i1.8823

Abstract

Cocoa  (Theobroma  cacao  L.)  is  a  plantation  crop  of  high  economic  value  that  requires  high-quality  seedlings  to  support  optimal  field  productivity.  One  of  the  main  constraints  in  cocoa  nurseries,  particularly  for  the  Trinitario  variety  in  Jorong  Kampung  Juar,  Nagari  Tanjung,  is  the  use  of  planting  media  derived  from  burned  soil,  which  is  generally  low  in  nutrients  and  may  contain  potentially  toxic  compounds.  Cocopeat,  a  by-product  of  coconut  husk  processing,  has  potential  as  an  alternative  growing  medium  due  to  its  physical  properties,  including  high  water-holding  capacity,  improved  aeration,  and  a  pH  suitable  for  cocoa  growth.  This  study  aimed  to  evaluate  the  effects  of  different  cocopeat-based  growing  media  compositions  on  the  growth  of  cocoa  seedlings  and  to  assess  their  suitability  as  an  alternative  nursery  medium.  The  study  employed  a  Completely  Randomized  Design  (CRD)  with  four  treatments  and  five  replications.  The  treatments  consisted  of  soil  and  goat  manure  as  the  control,  and  three  cocopeat  application  rates  of  450  g,  550  g,  and  650  g  per  polybag.  Observed  parameters  included  plant  height,  number  of  leaves,  stem  diameter,  growing  media  temperature,  growing  media  pH,  leaf  color,  and  plant  survival  percentage.  Data  were  analyzed  using  analysis  of  variance  (ANOVA),  and  the  coefficient  of  variation  was  used  to  evaluate  data  homogeneity  and  experimental  precision.  The  results  showed  that  the  application  of  cocopeat  at  different  rates  did  not  significantly  affect  any  of  the  observed  growth  parameters  of  cocoa  seedlings.  Nevertheless,  a  positive  growth  trend  was  observed  in  several  vegetative  parameters  in  treatments  containing  cocopeat,  particularly  in  maintaining  stable  moisture,  temperature,  and  pH  of  the  growing  media.  The  low  coefficients  of  variation  across  most  parameters  indicated  that  the  data  were  homogeneous  and  the  experiment  had  a  high  level  of  reliability.  All  treatments  resulted  in  a  100%  survival  rate,  indicating  that  cocopeat-based  growing  media  are  safe  and  suitable  for  cocoa  seedling  production.  Therefore,  cocopeat  can  be  used  as  an  alternative  growing  medium  for  cocoa  nurseries,  although  adjustments  in  composition  are  necessary  to  optimize  its  benefits  under  local  condition. Keywords:  cocoa  seedlings,  cocopeat, cocoa, vegetative 
Dinamika Mikroba dan Perubahan NPK Selama Fermentasi POC Kotoran Kambing Syafira, Fira; Putri, Santi Diana; Fevria, Resti; Larashinda, Mentari
JURNAL AGROPLASMA Vol 13, No 1 (2026): Jurnal Agroplasma Vol 13 No 1 Mei 2026
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v13i1.9277

Abstract

The use of livestock waste as liquid organic fertilizer (LOF) is a sustainable solution for reducing dependence on chemical fertilizers and improving environmental quality. Goat manure has potential as a raw material for LOF because it contains the macronutrients nitrogen (N), phosphorus (P), and potassium (K), as well as microorganisms that play a role in the decomposition process. This study aims to analyze the dynamics of the microbial population (bacteria and fungi), changes in NPK nutrient content, and environmental conditions during the fermentation of goat manure POC. The study was conducted over 21 days at the Biology Laboratory of the Department of Agroindustry, University of Padang, using a completely randomized design with eight fermentation time points and three replicates. Microbial populations were analyzed using the Total Plate Count (TPC) method, while NPK content was measured using a Rapid NPK tester. Data were analyzed using ANOVA and the DMRT post-hoc test at the 5% level. The results showed that fermentation duration had a highly significant effect on microbial population and nutrient content. Bacterial population peaked on day 18, while fungal population was highest on day 15 of fermentation. The highest nitrogen content was obtained on day 21, while phosphorus and potassium were highest from days 18 to 21. The pH value remained relatively stable within the neutral range, and the temperature remained within the mesophilic range, which supports microbial activity. It was concluded that fermentation for 18–21 days produced POC with optimal biological and chemical quality and has the potential to be used as an environmentally friendly liquid organic fertilizer. Keywords: liquid organic fertilizer, goat manure, fermentation, microorganisms, NPK
Co-Authors Ade Irferamuna Ardilla, Vina Ayesta Dezi Handayani Fevria, Resti Irdawati Irdawati Kiki Amelia, Kiki Linda Advinda Mayefis, Reska Moralita Chatri Nabila Tasrif Nurhasanah Nurhasanah Putri, Santi Diana Rahmi, Elva Rency, Dini Ayesta Sari, Yolanda Intan Syafira, Fira Syahrastani, Syahrastani Violita Violita Wilna Sari