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All Journal Caraka Tani: Journal of Sustainable Agriculture PRIMA: Journal of Community Empowering and Services
Sumani Sumani
Program Studi Ilmu Tanah, Fakultas Pertanian Universitas Sebelas Maret
Agriculture, Biological Sciences & Forestry Environmental Science

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PENGARUH IMBANGAN PUPUK ORGANIK DAN ANORGANIK TERHADAP SERAPAN P DAN HASIL TANAMAN PADI SAWAH PADA DUA SISTEM BUDIDAYA DI LAHAN SAWAH SUKOHARJO Sri Hartati; Sumani Sumani; Henricus E. A. Hendrata
Caraka Tani: Journal of Sustainable Agriculture Vol 29, No 1 (2014): March
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (248.482 KB) | DOI: 10.20961/carakatani.v29i1.13318

Abstract

This study aims to determine the effect of organic and inorganic fertilizers and cropping systems on P uptake and growth and yield of rice determine the most optimum. The research was conducted in paddy fields in the village of Subdistrict Wotgaleh Sukoharjo Sukoharjo in February 2013 to May 2013 . This research is using RCBD (Randomized Complete Block Design) with two factors . The first factor is the culture system consisting of two levels are conventional systems ( B1 ) and SRI systems ( System of Rice Intensification ) ( B2 ) . The second factor is the balance of organic and inorganic fertilizers ( P ) consisting of five levels are : ( P1 ) 100 % organic fertilizer ( Petroganik : 10 tons / ha ) , ( P2 ) 25 % organic fertilizer ( Petroganik : 2.5 tons / ha ) + 75 % inorganic fertilizer ( Phonska : 225 kg / ha ) + Urea : 150 kg / ha , ( P3 ) 50 % organic fertilizer ( Petroganik : 5 tons / ha ) + 50 % inorganic fertilizer ( Phonska : 150 kg / ha ) + Urea : 100 kg / ha , ( P4 ) 75 % organic fertilizer ( Petroganik : 7.5 tons / ha ) + 25 % inorganic fertilizer ( Phonska : 75 kg / ha ) + Urea : 50 kg / ha , ( P5 ) 100 % inorganic fertilizer ( Phonska : 300 kg / ha ) + Urea : 200 kg / ha . Parameters measured were available P , soil pH ( H2O ) , P network , stover dry weight , P uptake , total tiller number , and dry weight of harvested grain. The results showed that P uptake in conventional cropping systems is higher than the SRI cultivation system . P uptake in conventional cultivation of 0.135 g / clump whereas P uptake in SRI cultivation of 0.074 g / clump . Balance of organic and inorganic fertilizer with the highest P uptake was achieved in 100 % inorganic fertilizer , Phonska : 300 kg / ha + urea : 200 kg / ha which is 0.134 g / clump . The highest weight of dry grain harvest was achieved in the treatment of conventional cultivation system with 25 % organic fertilizer ( 2.5 t / ha Petroganik) and 7575 % inorganic fertilizer ( 225 kg / ha of fertilizer Phonska and 150 kg / ha urea ) that is equal to 12.98 tons / ha.
Introduksi Jeruk Malang sebagai Solusi Konservasi Tanah dan Peningkatan Pendapatan Petani Desa Setren, Kecamatan Slogohimo, Kabupaten Wonogiri Dwi Priyo Ariyanto; Jaka Suyana; Komariah Komariah; Sumani Sumani; Bardhian Cahyo Aji Gumilang
PRIMA: Journal of Community Empowering and Services Vol 10, No 1 (2026): JUNE
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/prima.v10i1.110589

Abstract

Introduction of Malang Oranges as a Solution for Soil Conservation and Increasing Farmers' Income in Setren Village, Slogohimo District, Wonogiri Regency. Farmers in Setren Village, Slogohimo District, Wonogiri Regency, located on the slopes of Mount Lawu, face two major challenges: severe land erosion on sloping areas and unstable income due to fluctuations in vegetable prices. This community service activity aimed to introduce Malang citrus cultivation as a dual solution through an adaptive, vegetation-based land conservation approach for sloping land, while simultaneously increasing farmers’ income. The implementation methods included observation of land conditions, extension activities, training, and technical assistance in conservation-based citrus cultivation. The materials emphasized land suitability, which was proven to be highly appropriate (altitude 900–1,400 m above sea level, temperature 18–20°C, Andosol soil), the introduction of three adaptive superior varieties (Siam Madu, Baby Pacitan, and Keprok Batu 55) for sloping land, and cultivation techniques suitable for sloping conditions. Key techniques emphasized included (1) land preparation using terracing systems for erosion mitigation, (2) planting hole preparation with organic manure, (3) selection of certified and healthy seedlings, (4) canopy pruning using a 1–3–9 pattern to maximize productivity, and (5) balanced fertilization. The results of this activity were the transfer of technology and knowledge of modern citrus cultivation to farmers, with a participant satisfaction rate of 58.8%, although strengthening of field-based practice is still required. Malang citrus cultivation is considered potential not only as a more stable source of income, but also as a conservation crop that contributes to erosion control and sustainable land management, and has prospects for development as “pick oranges” agrotourism.
Co-Authors Bardhian Cahyo Aji Gumilang Dwi Priyo Ariyanto Henricus E. A. Hendrata Jaka Suyana Komariah Komariah Sri Hartati