Abstract
This paper aims to provide an overview of the potential forage production, nutrients and antinutrients chemical composition, and the potential development of Sudan grass (Sorghum sudanense) in eastern part of Indonesia, particularly in the Papua island as a local forage ruminant. Local forage is very potential to be developed in Papua island, because it adapts to dry land and drought resistant, capable of growing back, and is very responsive to fertilizer and irrigation, as well as can be growth either in lowland and highland. Nitrogen, phosphorus and potassium fertilizer treatments have significant effect to dry matter and organic matter productions of Sudan grass with their level dosage recommendations are 300 kg N/ha, 300 kg P/ha, and 150 kg P/ha, respectively.
 Keywords: sudan grass, fertilizer, forage production, nutrient and antinutrition
Highlights
This paper aims to provide an overview of the potential forage production, nutrients and antinutrients chemical composition, and the potential development of Sudan grass (Sorghum sudanense) in eastern part of Indonesia, in the Papua island as a local forage ruminant
Walaupun komposisi antinutrisi HCN dan nitrat pada level tidak toksik, masing-masing HCN lebih rendah dari 750 ppm dan nitrat lebih rendah dari 6000 ppm, tetapi terdapat indikasi bahwa perlakuan pupuk NPK meningkatkan HCN dan sebaliknya menurunkan nitrat rumput sudan
Penyediaan Pakan di Daerah Tropik: Problematika, Kontinuitas, dan Kualitas
Summary
Paper ini bertujuan untuk memberikan gambaran tentang potensi produksi hijauan, komposisi kimia nutrein dan antinutrisi, dan potensi pengembangan rumput sudan (Sorghum sudanense) di kawasan timur Indonesia dan khususnya wilayah Papua sebagai hijauan pakan lokal ternak ruminansia. Hijauan pakan lokal ini sangat potensial dikembangkan di wilayah papua, karena cocok pada lahan kering, tahan kekeringan, berkemampuan tumbuh kembali dan sangat responsif terhadap pemupukan dan pengairan, serta tumbuh dan berkembang secara alamiah mulai dataran rendah hinggi dataran tinggi diseluruh wilayah Papua. Phosfor, dan kalium berpengaruh signifikann terhadap produksi bahan kering, bahan organik dan aplikasi pupuk anjuran sesuai hasil penelitian adalah 300 kg N/ha; 300 kg P/ ha; dan 150 kg P/ha
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