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All Journal JTSL (Jurnal Tanah dan Sumberdaya Lahan) Indonesian Green Technology Journal Dinamisia: Jurnal Pengabdian Kepada Masyarakat AGROMIX Folium : Jurnal Ilmu Pertanian
Zaenal Kusuma
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Engineering Environmental Science Social Sciences Other

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Journal : JTSL (Jurnal Tanah dan Sumberdaya Lahan)

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PENGARUH KOMPOS TERHADAP SIFAT FISIK TANAH DAN PERTUMBUHAN TANAMAN JAGUNG DI INCEPTISOL Koko Heru Widodo; Zaenal Kusuma
Jurnal Tanah dan Sumberdaya Lahan Vol. 5 No. 2 (2018)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

The purpose of this study was to elucidate the effect of composting on changes in soil physical properties and to examine the relationship of soil physics properties with plant growth. The method used is a completely randomized block design implemented on the moor land located in the Village Lojejer Wuluhan District, East Java Jember. The study was conducted on 750 m2 of land with an altitude of 14 above sea level. Type of soil that is found in the research field is an Inceptisol having organic material content of 1.1%. Parameters measured aggregate stability, soil pore, bulk density, organic hatter, plant height, leaf number, wet weight of plant, and dry weight of plant. The results showed that addition of several doses of compost improved physical properties of the soil studied. The addition of compost increased the amount of microbes in the soil that played as soil adhesive agents that make the stabile soil aggregate. The soil aggregates stability could increase pores and decrease the weight of the soil content. Composting did not affect the growth of plants because at the time of vegetative growth compost did significantly effect soil physical characteristics.
PENGARUH APLIKASI DAUN GAMAL (Gliricidia sepium (Jacq.) Kunth ex Walp.) DAN BAKTERI ENDOFIT DIAZOTROF TERHADAP SERAPAN NITROGEN DAN PERTUMBUHAN TANAMAN TEBU (Saccharum officinarum L.) Vinalisa Damara; Dias Gustomo; Zaenal Kusuma; Sugeng Prijono
Jurnal Tanah dan Sumberdaya Lahan Vol. 5 No. 2 (2018)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Nitrogen (N) is very important element for the vegetative growth of sugarcane plants. Character N is easy to change shape and become unavailable. This research was aimed reduce the use of inorganic fertilizer, reduce the loss of N and increase N levels with utilizing gliricidia leaves and utilization endophytic diazotrophic bacteria or  fixes nitrogen bacteria. The research used a completely randomized design with six treatments, i.e.  B0i0: control (0% + 100% ZA + no added bacteria inoculation), B0i1: (0% + 100% ZA + added bacteria inoculation), B1i0 (25% + 75% ZA + no added bacteria inoculation), B1i1 (25% + 75% ZA + added bacteria inoculation), B2i0 (50% + 50% ZA + no added bacteria inoculation), B2i1 (50% + 50%  ZA + added bacteria inoculation) with 5 replication. Variable observations included test of bacterial compatibility, soil total N, NH4+, NO3-, N uptake on leves, plant height, number of leaves and number of tillers. The research results showed that bacteria applied successfully entered the leaf tissue. The treatments were not significant for soil total N, NH4+, N03-, N uptake and number of tillers but significant for plant height at 6 week after planting and number of leaves at 8 and 12 weeks after planting. The organic matter of gamal leaf and bacteria endophytic diazotrophic were able to substitute ZA (ammoniu sulphate) inorganic fertilizer on sugarcane crop at 12 weeks after planting.
Co-Authors Amir Rakhim Putrantyo Anjar Aris Munandar Aprilia Solyati Arief Rachmansyah Budi Hariyono Danny Dwi Saputra Dedi Sutrisno Dias Gustomo Farahmitha Shalsabila Farik Khalimi Halimah Rahman Hendro Prasetyo Ifadah, Nisfi Fariatul Ika Apriwulandari Ina Pratiwi Indah Kusumaning Putri Istika Nita Koko Heru Widodo Kurniawan Sigit Wicaksono Mochtar Lutfi Rayes Neneng Laela Nurida Netty Dwi Ariska Priyo Cahyono Rony Irawanto Soemarno Sri Rahayu Utami Sugeng Prijono Ustiatik, Reni Vinalisa Damara Windu Ari Wibowo Yulia Nuraini Yuniwati, Eny Dyah