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All Journal Journal of Tropical Soils JTSL (Jurnal Tanah dan Sumberdaya Lahan)
Indri Hapsari Fitriyani
Department Of Soil Science And Land Resources, Faculty Of Agriculture, Bogor Agricultural University, Jl. Meranti Kampus IPB Dramaga, Bogor 16680, Indonesia
Agriculture, Biological Sciences & Forestry Environmental Science

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Journal : JTSL (Jurnal Tanah dan Sumberdaya Lahan)

 1 
ANALISIS KORELASI SIFAT BIOLOGI DAN KIMIA TANAH PADA BERBAGAI TIPE PENGGUNAAN LAHAN DI KABUPATEN BOGOR Indri Hapsari Fitriyani; Fahrizal Hazra; Dewi Rosita
Jurnal Tanah dan Sumberdaya Lahan Vol. 10 No. 1 (2023)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (228.179 KB) | DOI: 10.21776/ub.jtsl.2023.010.1.13

Abstract

Land use in Bogor Regency has diverse vegetation and different soil characteristics. Soil characteristics have an influence on land management. Improper land management has led to a decrease in microbial populations, biodiversity and a decline in soil quality and fertility. Soil fertility is produced by the interaction of the physical, chemical, and biological properties of the soil. This study aims to determine the correlation of soil biological and chemical properties in several different types of land use in Bogor Regency. Soil sampling was carried out using the purposive random sampling method with five replicates. Soil samples were taken at a depth of 0-20 cm by ±1 kg. The research site includes eight land uses namely bamboo gardens, sengon gardens, lamtorogung gardens, and dragon fruit orchards. The results of the analysis showed that the dragon fruit field had an acid pH with very high organic C and total N levels with the highest fungal population of 2.27 x 105 CFU g-1. Meanwhile, bamboo fields with an acid pH also have a medium organic C content and low total N with the lowest total fungi population of 0.37 x 105 CFU g-1. Azotobacter populations and respiration values had the highest correlation with the total P content of the soil. The correlation value of the total population of fungi was the highest, with a total N levels of 0.427.
PEMBUATAN DAN APLIKASI PUPUK ORGANIK CAIR (POC) SEBAGAI SUBSTITUSI NUTRISI AB MIX TERHADAP TANAMAN KANGKUNG (Ipomoea reptans) PADA HIDROPONIK WICK SYSTEM Indri Hapsari Fitriyani; Qonita Qurrota A’yun; Gunawan Djajakirana
Jurnal Tanah dan Sumberdaya Lahan Vol. 10 No. 2 (2023)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2023.010.2.23

Abstract

The price of the AB mix is relatively high, so it needed to find another alternative with a more economical price. One of the alternatives is Liquid Organic Fertilizer (LOF). This study aimed to know the quality of LOF made from banana peels and chicken egg shells, the effect of LOF on the water spinach grown in the hydroponic wick system, and the possible use of LOF as a substitute for AB mix. The experiment consisted of three stages. The first stage was the nutrient analysis of raw materials. The second stage was the production of LOF and nutrient analysis. The results of fermented fertilizers are called POC PT. The third stage was an experiment on water spinach in a hydroponic wick system. The experiment used a completely randomized design with five fertilizer treatments, namely P0 (control), P1 (AB mix nutrition), P2 (LOF PT 150%), P3 (LOF PT 100%), P4 (LOF PT 50%) in three replications. The results showed that LOF, which was fermented for three weeks, had a low nutrient content and was below the Ministry of Agriculture standard. The available N content in POC PT was low, so Ca(NO3)2 fertilizer was added to POC PT. The LOF PT treatment had higher plant growth parameter than the control treatment. Thus, the treatment of LOF PT could not substitute AB mix.
Co-Authors Dewi Rosita Diah Tjahyandari Fahrizal Hazra Gunawan Djajakirana Hartono, Arif Qonita Qurrota A’yun Syaiful Anwar