Increasing the Growth and Yield of Long Bean Plants (Vigna sinensis L.) Against POC and NPK Fertilizers
Abstract
Fertilization is a critical aspect of long bean cultivation. Fertilizers can be applied to the soil by adding NPK fertilizer or to the leaves using liquid organic fertilizer (POC). This study aims to investigate the interaction between POC and NPK fertilizer and identify the optimal POC concentration and NPK fertilizer dosage to enhance the yield of long bean plants. The research was conducted from September 2024 to November 2024 in Perbon, Tuban District, Tuban Regency, East Java Province, at an altitude of 5 to 182 meters above sea level, a temperature of 24 ℃ - 33 ℃, humidity ± 76%, and rainfall 1100-1500 mm/year. The research method used was a randomized block design (RAK) with two factors. The first factor is the POC (P) concentration with 4 levels, namely 0 ml / L, 4 ml / L, 8 ml / L, and 12 ml / L. The second factor is the NPK (N) fertilizer dose with 3 levels:10 g/plant, 16 g/plant, and 22 g/plant. The study showed that the combination treatment of 12 ml/L POC with 10 g/plant NPK affected the number of pods, pod weight per plant, pod weight per plot, and pod weight per hectare.
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