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All Journal Jurnal Penelitian Tanaman Industri JURNAL PANGAN Jurnal Penelitian Tanaman Industri (Littri)
Samijan Samijan
BPTP Jawa Tengah
Agriculture, Biological Sciences & Forestry Industrial & Manufacturing Engineering Social Sciences

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ROOT TRAINER MEDIA CONTAINING COCOPEAT AND PEAT TO SUPPORT GROWTH AND QUALITY OF RUBBER ROOTSTOCK ROOTS Nur Eko Prasetyo; Budi Setyawan; Samijan Samijan; Nofitri Dewi Rinojati; Sumarmadji Sumarmadji
Jurnal Penelitian Tanaman Industri Vol 26, No 1 (2020): June, 2020
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jlittri.v26n1.2020.23-31

Abstract

The physical and chemical properties of the growing medium for root trainer of rubber are critical to support plant growth. This study aimed to obtain the best medium for growing rootstock rubber seedlings in the root trainer.  Rubber clone PR 300 seeds were germinated for 21 days, then raised in root trainer pots for five months. The treatments evaluated were a mixture of cocopeat, Rawapening peat, and manure at different ratios.  The experiment was designed in a Randomized Block Design, three replications, 30 plants per replicate, totaling 720 plants. The observed variables were N, P, K, Mg, C-organic content, pH, and cation exchange capacity of cocopeat, peat, and manure, as well as plant growth (height, stem diameter, wet weight, and dry weight). ANOVA used for analyzing data, followed with the Duncan Multiple Range Test at 5% level. The results showed that there were three best root trainer media for PR 300 rubber rootstock seedlings were a mixture of cocopeat + peat (1:1), cocopeat + peat + manure (1:2:1), and cocopeat + peat + manure (2:1:1). The growth and compactness of the roots are outstanding, so the seedlings are easily removed from the root trainer pots without significant damage. Based on the initiation and cost, the best root trainer medium is a mixture of cocopeat + peat + manure (1: 2:1). It is necessary to study the use of other types of peat soils apart from Rawapening. Also, it needs to be observed further plant growth after inoculation with the stem and after planting in the field.Keywords : Planting medium, Rawapening peat, rubber clone PR 300.
ROOT TRAINER MEDIA CONTAINING COCOPEAT AND PEAT TO SUPPORT GROWTH AND QUALITY OF RUBBER ROOTSTOCK ROOTS Nur Eko Prasetyo; Budi Setyawan; Samijan Samijan; Nofitri Dewi Rinojati; Sumarmadji Sumarmadji
Jurnal Penelitian Tanaman Industri Vol 26, No 1 (2020): June, 2020
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jlittri.v26n1.2020.23-31

Abstract

The physical and chemical properties of the growing medium for root trainer of rubber are critical to support plant growth. This study aimed to obtain the best medium for growing rootstock rubber seedlings in the root trainer.  Rubber clone PR 300 seeds were germinated for 21 days, then raised in root trainer pots for five months. The treatments evaluated were a mixture of cocopeat, Rawapening peat, and manure at different ratios.  The experiment was designed in a Randomized Block Design, three replications, 30 plants per replicate, totaling 720 plants. The observed variables were N, P, K, Mg, C-organic content, pH, and cation exchange capacity of cocopeat, peat, and manure, as well as plant growth (height, stem diameter, wet weight, and dry weight). ANOVA used for analyzing data, followed with the Duncan Multiple Range Test at 5% level. The results showed that there were three best root trainer media for PR 300 rubber rootstock seedlings were a mixture of cocopeat + peat (1:1), cocopeat + peat + manure (1:2:1), and cocopeat + peat + manure (2:1:1). The growth and compactness of the roots are outstanding, so the seedlings are easily removed from the root trainer pots without significant damage. Based on the initiation and cost, the best root trainer medium is a mixture of cocopeat + peat + manure (1: 2:1). It is necessary to study the use of other types of peat soils apart from Rawapening. Also, it needs to be observed further plant growth after inoculation with the stem and after planting in the field.Keywords : Planting medium, Rawapening peat, rubber clone PR 300.
Efektivitas Pupuk Organik Cair Hasil Aktivasi Molekul dalam Meningkatkan Pertumbuhan dan Hasil Jagung Sri Minarsih; Samijan Samijan; Agus Supriyo; R Heru Praptana; Komalawati Komalawati
JURNAL PANGAN Vol. 31 No. 2 (2022): PANGAN
Publisher : Perum BULOG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33964/jp.v31i2.602

Abstract

Penggunaan pupuk organik cair (POC) merupakan salah satu alternatif untuk memenuhi kebutuhanunsur hara makro dan mikro bagi tanaman tanpa menimbulkan pencemaran tanah. Tujuan penelitian adalahuntuk mengetahui efektivitas pupuk organik cair hasil aktivasi molekul dalam meningkatkan pertumbuhan danhasil tanaman jagung. Penelitian dilaksanakan di lahan sawah tadah hujan di Desa Gemolong, KecamatanGemolong, Kabupaten Sragen pada bulan Juli sampai dengan Oktober 2021. Rancangan penelitianmenggunakan rancangan acak kelompok dengan tujuh variasi perlakuan, setiap perlakuan diulang empatkali sehingga menghasilkan 28 unit percobaan. Pupuk yang digunakan dalam penelitian ini adalah pupukNPK Phonska (15-15-15), Urea dan POC hasil aktivasi molekul. Parameter pengamatan meliputi tinggitanaman, jumlah daun, diameter batang, panjang dan diameter tongkol, berat tongkol kupas dan beratjagung pipilan kering giling. Data hasil pengamatan diamati dengan sidik ragam dilanjutkan uji Duncan taraf5 persen. Untuk mengetahui efektivitas pupuk digunakan analisis RAE. Hasil penelitian menunjukkan bahwaPOC hasil aktivasi molekul 0,6 mL/L yang diaplikasikan setiap 7 dan 14 hari dengan penerapan pemupukanNPK rekomendasi memberikan hasil yang lebih baik dibandingkan pemupukan NPK rekomendasi dengantingkat produktivitas 9,18 ton pipilan kering giling per hektare dan nilai RAE sebesar 107,6 persen.
Co-Authors Agus Supriyo Budi Setyawan Komalawati Komalawati Nofitri Dewi Rinojati Nur Eko Prasetyo R Heru Praptana Sri Minarsih Sumarmadji Sumarmadji