Efektivitas Kultur Campuran Bakteri Penambat N-Bebas dan Pelarut Fosfat Pada Jagung Manis

Yudi Sastro, Erna P. Astuti, Susi Sutardi, Nofi A. Rokhmah

Sari


The study aims to determined the effectiveness of biological fertilizers containing mixture culture of N-free fixing bacteria and phosphate solubilizing microbes (MCF) on sweet corn. The treatments were fertilization using mixture culture of N-free fixing bacteria and phosphate solubilizing microbes without NPK fertilizer (MCF), MCF+NPK half dosage recommendation (MCF+NPK50), MCF+NPK dosage recommendation (MCF+NPK100) and as comparisons were NPK fertilizer dosage recommendation (NPK 100) as well as a kind of biological fertilizers which have been sold on the market (CBF). The treatment in each plots arranged using a randomized complete block design with five replications. Plant height, number of leaves, plant stem diameter, and yield weight was as variable observation. The results showed that a level influence of MCF fertilizer without NPK on sweet corn growth lower than MCF+NPK and CBF fertilizer as well as NPK dosage recommendation. The effectiveness of MCF and MCF+NPK50 fertilizer was lower than NPK dosage recommendation with RAE value 66.2% and 82.3% respectively. The Effectiveness of MCF+NPK dosage recommendation was higher than NPK dosage recommendation with RAE value reached 131.2%


Keyword : fastening N-free, solvent-phosphate, sweet corn


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