Abstract
Organic fertilizers can be an alternative source of plant nutrients. The aim of experiment is to determine the effect of liquid organic and inorganic fertilizer application on hybrid mayze growth and yield. The experiment was conducted at Soppeng regency, South Sulawesi from September to December 2019. The experiment was set in Randomized Block Design with eight level of treatments and three replications. Treatments were (P1) control, (P2) inorganic fertilizer 100% recommendation, (P3) inorganic fertilizer 75% recommendation; (P4) liquid organic fertilizer 5 ml 2 L−1 water + P3; (P5) liquid organic fertilizer 10 ml 2 L−1 water + P3; (P6) liquid organic fertilizer 15 ml 2 L−1 water + P3; (P7) liquid organic fertilizer 20 ml 2 L−1 water + P3; and (P8) liquid organic fertilizer 10 ml 2 L−1 water + P2. Combinations of liquid organic plus inorganic fertilizer produce better growth and higher production than only inorganic fertilization and control. The combination of liquid organic and inorganic fertilizer 75% recommendation (15 ml 2 L−1 water + NPK Phonska 300 kg ha−1 + Urea 150 kg ha−1 show better agronomic performance and yield components with grain yiled 8.2 t ha−1 higher than other treatments. This dosage could be used for optimum maize production.
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