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All Journal Journal of Integrated Agribusiness Agrivet: Jurnal Ilmu-ilmu Pertanian dan Peternakan Jurnal Green House
Novi Yulanda Sari
Politeknik Pertanian Negeri Payakumbuh
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science

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Pengaruh pemberian kalsium terhadap perubahan karakter anatomi pelepah bibit kelapa sawit tercekam kekeringan Novi Yulanda Sari; Eka Tarwaca Susila Putra
Agrivet : Jurnal Ilmu-Ilmu Pertanian dan Peternakan (Journal of Agricultural Sciences and Veteriner) Vol. 11 No. 1 (2023): Juni
Publisher : Fakultas Pertanian Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/agrivet.v11i1.5737

Abstract

One of the environmental limiting factors on the growth and productivity of oil palm is drought stress. Various studies have shown that besides inhibiting the oil palm’s physiological and biochemical processes, severe drought stress also causes morphological changes in the form of oil palm frond fractures. However, research related to calcium’s role in increasing the oil palm seedling’s resistance exposed to drought stress is still limited. This research was conducted to determine the calcium effect and drought stress on the frond anatomical character changes of oil palm seedlings. The study was conducted using a complete randomized block design consisting of two treatments with three replications. The first treatment is drought stress level: field capacity, moderate, and severe drought stress. The second treatment is calcium dose: 0, 50, 100, and 150%. The results showed that drought stress at moderate and severe levels decreased the length and width of epidermal, hypodermis thickness, phloem, and xylem diameter of oil palm frond seedlings. Supplying Ca at 0.08 g increased the cohesiveness and structural strength of frond tissue by increasing the length and width of epidermal tissue and phloem diameter.
Analisis Pendapatan dan Biaya dalam Pengolahan Tembakau Berdasarkan Metode Penjualan di Nagari Baruah Gunuang, Kabupaten Limapuluh Kota Muhammad Syahfitra; Nursamsi Nursamsi; Novi Yulanda Sari; Friskia Hanatul Qolby; Agustinus Mangunsong
Journal of Integrated Agribusiness Vol 6 No 2 (2024): Journal of Integrated Agribusiness
Publisher : Jurusan Agribisnis, Fakultas Pertanian, Perikanan dan Kelautan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jia.v6i2.5652

Abstract

The area of tobacco land in West Sumatra Province, especially in Limapuluh Kota Regency, experienced a quite drastic decline, reaching 66.6% in the period 2022 and 2023. One of the causes declining land is related to prices and income. Low prices and income can be caused by different marketing methods between farmers. Therefore, the research aims to measure income and costs of tobacco processing based on marketing methods. The data analysis method in this research uses descriptive analysis and the Independent T Test. Descriptive analysis aims to describe the costs of processing chopped tobacco, obstacles and factors that influence farmers to sell chopped and spread tobacco. Meanwhile, the t test was carried out to see whether there was a difference in income between farmers who sold chopped and spread. The research results show that farmers' obstacles in processing chopped tobacco are dependence on sunlight, long processing time, and high processing costs. Meanwhile, the factors that influence farmers to sell expanse tobacco are that it is easy and practical, easy to sell, and requires money immediately. In terms of income, there is a significant difference between farmers who sell chopped and farmers who sell overlay. There is a difference in income of IDR 10,132,630/ha/planting season or 37%.
Respon Anatomis Jaringan Xylem dan Floem Akar Bibit Kelapa Sawit Tercekam Kekeringan terhadap Pemupukan Kalsium Novi Yulanda Sari; Eka Tarwaca Susila Putra
JURNAL GREEN HOUSE Vol 2 No 1 (2023): Jurnal Green House
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63296/jgh.v2i1.25

Abstract

Cekaman kekeringan akibat perubahan iklim global mengakibatkan kerusakan fisiologis pada kelapa sawit berupa patah pelepah. Tingkat cekaman kekeringan yang parah juga berdampak pada penurunan produktifitas kelapa sawit. Untuk meningkatkan ketahanan kelapa sawit terhadap cekaman kekeringan, maka salah satu upaya yang dapat dilakukan yaitu melalui pemberian kalsium. Penelitian ini bertujuan untuk mengetahui pengaruh dosis Ca terhadap modifikasi anatomi jaringan pembuluh xylem dan floem akar bibit kelapa sawit sebagai mekanisme adaptasi tanaman terhadap cekaman kekeringan untuk mengurangi resiko patah pelepah. Penelitian didesain menggunakan rancangan split plot dengan dua faktor perlakuan. Faktor perlakuan pertama yaitu dosis kalsium: 0, 50, 100 dan 150%. Faktor perlakuan kedua yaitu tingkat cekaman kekeringan: kapasitas lapang, moderat dan cekaman berat. Hasil penelitian menunjukkan bahwa cekaman kekeringan berat menurunkan ketebalan diameter floem akar bibit kelapa sawit. Kalsium dapat meningkatkan kekuatan struktural jaringan pembuluh akar bibit kelapa sawit melalui peningkatan diameter floem akar pada dosis Ca 100% dan peningkatan ketebalan diameter xylem pada bibit yang terekspos cekaman berat pada dosis Ca 50%.
Co-Authors Agustinus Mangunsong Eka Tarwaca Susila Putra FRISKIA HANATUL QOLBY Muhammad Syahfitra Nursamsi Nursamsi