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All Journal Jurnal Agrotek Tropika Jurnal Geografi
Maroeto Maroeto
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Education Environmental Science Social Sciences

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ANALISIS KEMAMPUAN LAHAN BERBASIS SISTEM INFORMASI GEOGRAFIS DI DAS REJOSO BAGIAN HULU Septiawan Billy Primadi; Kemal Wijaya; Maroeto Maroeto
JURNAL GEOGRAFI Vol 11 No 1 (2022)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/geografi/vol11-iss1/2579

Abstract

The research was conducted at the Rejoso watershed in the upstream part of Pasuruan Regency, East Java. This research aims to map the spread of land capabilities and land use directions in the upstream Rejoso watershed with a survey and overlay method based on Geographic Information System (SIG).The survey was conducted by observing and sampling soil on each land unit with the same characteristics as first mapping the land units resulting from the overlapping process (overlay) between slope maps, soil type maps, and land use maps on a scale of 1:50,000.The inhibitory factor of each land unit is used to classify the ability of the land which refers to the criteria of Arsyad (2010) with the matching method. Based on the results of the study, the upstream Rejoso watershed is dominated by ability class IV and VIII land with an area of 2,603.27 ha (25.84%) and 3,654.45 ha (36.27%), in addition, there is a class of land capability III with an area of 617.95 ha (6.13%), 2,137.92 ha (21.22%), and class VII land capability of 1,062.37 ha (10.54%).
PENGARUH KOMBINASI KOMPOS DAN Trichoderma sp. TERHADAP PELEPASAN FOSFOR TERSEDIA PADA BEBERAPA JENIS TANAH Ainur Risma Miftakhul Maghfiroh; Maroeto Maroeto; Moch. Arifin; Fitri Wijayanti; Safira Rizka Lestari
Jurnal Agrotek Tropika Vol. 14 No. 1 (2026): JURNAL AGROTEK TROPIKA VOL 14, FEBRUARI 2026
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v14i1.9054

Abstract

Fosfor (P) merupakan salah satu unsur hara esensial yang ketersediaannya dapat ditingkatkan melalui penambahan kompos dan Trichoderma sp. Penelitian ini bertujuan untuk mengetahui kompos dan Trichoderma sp. pada peningkatan unsur P pada jenis tanah Alfisol, Inceptisol, dan Vertisol. Penelitian dilaksanakan menggunakan Rancangan Acak Lengkap (RAL) dengan 2 faktor. Faktor pertama yaitu dosis kompos dengan empat taraf 0 ton ha-1 atau tanpa kompos, 10 ton ha-1, 20 ton ha-1, dan 30 ton ha-1. Faktor kedua yaitu konsentrasi Trichoderma sp. dengan empat taraf , 0 CFU ml-1, 106 CFU ml-1, 108 CFU ml-1, dan 1010 CFU ml-1. Kompos dan Trichoderma sp. mampu meningkatkan kandungan P tersedia masing-masing jenis tanah.
Co-Authors Ainur Risma Miftakhul Maghfiroh Fitri Wijayanti Moch. Arifin Safira Rizka Lestari Septiawan Billy Primadi Wijaya, Kemal