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INDONESIA
Jurnal Ilmu Pertanian
Published by Universitas Gadjah Mada
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol 3, No 3 (1981): Oktober" : 6 Documents clear
Kemungkinan Penggunaan Pupuk Nitrofosfat di Indonesia Endang Sukana; Suseno Prawirowardoyo; Tejoyuwono Tejoyuwono
Jurnal Ilmu Pertanian Vol 3, No 3 (1981): Oktober
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.58726

Abstract

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Masalah Penyimpanan Biji yang Rekalsitran G. Panggabean
Jurnal Ilmu Pertanian Vol 3, No 3 (1981): Oktober
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.58727

Abstract

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Keanekaragaman Fenotipe Bayam Putih (Amaranthus Tricolor l.) Di Indonesia Hadi Sutarno
Jurnal Ilmu Pertanian Vol 3, No 3 (1981): Oktober
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.58728

Abstract

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Usaha Pemanfaatan Tanah Pasir Tepi Sungai untuk Produksi Hijauan Makanan Ternak Soedharoedjian R.; T. Soejonddan; Tohari Tohari
Jurnal Ilmu Pertanian Vol 3, No 3 (1981): Oktober
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.58729

Abstract

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Akibat Kebakaran Terhadap pH Tanah Di Kebun Teh Pagilaran Soedharoedjian Ronoprawiro
Jurnal Ilmu Pertanian Vol 3, No 3 (1981): Oktober
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.58730

Abstract

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Nitrogen fixation in waterlogged paddy soil, with special emphasis on rice straw application Soedarsono, Joedoro
Jurnal Ilmu Pertanian Vol 3, No 3 (1981): Oktober
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.30341

Abstract

In greenhouse studies, the incorporation of up to 6.0 tonne/ha of rice straw into paddy soil, in general, reduced the nitrogenase activity in rice plant roots but increased the activity in waterlogged soil. It did not affect the dry matter yields at 9-weeks after transplanting. The use of urea to compensate for theirlinobilized nitrogen due to rice straw decomposition, in general, reduced nitrogenase activity in the rice plant roots, tended to decrease the number of nitrogen fixing aerobic bacteria, did not affect nitrogen content of plants, but increased dry matter production. Abstrak Penelitian yang dilakukan di rumah kaca menunjukkan bahwa pembenaman jerarni path sebanyak 6 ton/ha ke dahun tanah sawah akan mengurangi aktifitas nitrogenase pada perakaran path sawah, akan tetapi aktifitas tersebut meningkat pada tanah yang tergenang. Perlakuan ini tidak mempenganthi berat kering tanaman pada minggu kesembilan setelah dipindahkan dare persemaian. Penambahan urea untuk memenuhi kebutuhan nitrogen yang terimmobilisasi dalam proses perombakan jerami umumnya mengurangi aktifitas nitrogenase pada perakaran path. Urea yang diberikan ini cenderung mengurangi jumlah bakteri penambat,nitrogen yang aerob, dan tidak mempengaruhi kandungan nitrogen tanaman, akan tetapi meningkatkan berat kering tanaman.

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