Browsing Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) by Author "Rumawas, Fred"
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Pengaruh Pemberian Silikat Dalam Bentuk Sekam Dan Kalium Terhadap Penyakit Blas (Pyricularia Oryzae Cav.) Dan Produksi Padi Jogo (Oryza Sativa L.)
Aziz, Sandra Arifin | Rumawas, Fred | Adiningsih, Sri | Sastraatmadja, A. Hidir (1992)Pyricularia oryzae Cav. that caused blast was a major constraint in upland rice production. The experiment that carried out in the field was designed to study the effect of rice hulls fertilization as the source of silicon ... -
Studi Serapan Hara N, P, K dan Potensi Hasil Lima Varietas Padi Sawah (Oryza sativa L.) pada Pemupukan Anorganik dan Organik
Sugiyanta | Rumawas, Fred | Chozin, Muhamad Achmad | Mugnisyah, Wahju Qamara | Ghulamahdi, Munif (2008)The objective of the research was to study the nutrition uptake (nitrogen, phosphorus, and potassium,) and the grain production of five rice varieties representing modern, new plant type and local varieties under application ...