Oria Alit Farisi, Soetriono, Andhika P. Herlambang, Basuki, Dimas Bastara Zahrosa, Uyun Erma Malika, Rita Hanafie, Ariq Dewi Maharani, Moh Alaika Nurul Hak
The Master Plan for the development of agricultural areas in East Java is a blueprint for accelerating agricultural development in East Java. The aim of this study is to investigate the application of organic and inorganic materials to address soil fertility decline due to low C-Organic content in leek (Allium porrum) cultivation. The research was conducted in Duwet Krajan Village, Tumpang District, Malang Regency, from February to August 2022. This study consisted of 9 treatments applied per plant, namely control (A), local recommendation (B), 100% NPK (C), organic fertilizer 6 tons/ha + 50% NPK (D), organic fertilizer 6 tons/ha + 75% NPK (E), organic fertilizer 6 tons/ha + 100% NPK (F), organic fertilizer 8 tons/ha + 50% NPK (G), organic fertilizer 8 tons/ha + 75% NPK (H), and organic fertilizer 8 tons/ha + 100% NPK (I). The parameters observed in the study include plant height, number of leaves per clump, number of tillers per clump, stem diameter, root length, wet weight per plant, weight per clump, yield per hectare, protein content, moisture analysis by oven method, carbohydrate content, chlorophyll content, and flavonoid content. The conclusion derived from this study is that increasing soil organic matter directly influences the efficiency of fertilizers applied to the soil and can enhance the growth and yield of leek plants. This is evidenced by treatment D (organic fertilizer 6 tons/ha + 50% NPK), which increased the leek weight per plant by 655 g, leek weight per treatment by 529 kg, and leek weight per hectare by 15.5 tons/ha. © Published under licence by IOP Publishing Ltd.
Agricultural Science Study Program, Faculty of Agriculture, University of Jember, Kalimantan Street, East Java, Jember, 68121, Indonesia; Agribusiness Study Program, Faculty of Agriculture, University of Jember, Kalimantan Street, East Java, Jember, 68121, Indonesia; Regional Development Planning Agency of East Java Province, Indonesia; Soil Science Study Program, Faculty of Agriculture, University of Jember, Kalimantan Street, East Java, Jember, 68121, Indonesia; Study Program Agribusiness Management, Faculty Agribusiness Management, State Polytechnic Institute Jember, Mastrip Street, East Java, Jember, 68121, Indonesia; Agribusiness Department, Faculty of Agriculture, Widyagama Malang University, Borobudur Street, East Java, Malang, 65128, Indonesia; Agribusiness Department, Faculty of Agriculture, University of Jember, Kalimantan Street, East Java, Jember, 68121, Indonesia; Master's Student in Agronomy, Faculty of Agriculture, University of Jember, Kalimantan Street, East Java, Jember, 68121, Indonesia
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