PENGARUH KONSENTRASI DAN FREKUENSI PEMBERIAN PUPUK ORGANIK CAIR TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN JAGUNG (Zea mays L.)

Abstract

This study aims to determine the effect of concentration and frequency of liquid organic fertilizer on the growth and production of maize. This research started in August 2021 until November 2021. This study used a two-factor randomized block design (RAK). The first factor is the concentration of liquid organic fertilizer which consists of 3 levels, namely, without POC, 2 g/l water, 4 g/l water. The second factor is the frequency of application of liquid organic fertilizer which consists of 3 levels, namely, once a week, every 2 weeks, and every 3 weeks. Each combination was repeated 3 times so that there were 27 experimental units, the number of plant samples per plot was 5 plants. Parameters observed in this study consisted of plant height, number of leaves, male flowering age 50%, female flowering age 50%, length of ear, diameter of ear, weight of seeds per ear, production of cobs per plot, weight of 100 seeds, weight of seeds per plot and production seeds per hectare. The results of this study showed that the application of liquid organic fertilizer concentration of 4 g/l water had a good effect on the parameters of plant height, ear length, ear diameter and seed weight per ear, seed weight per plot and seed production per hectare. The frequency of giving liquid organic fertilizer once a week has a good effect on the parameters of seed weight per cob. The interaction between the application of liquid organic fertilizer concentration of 4 g/l of water and the frequency of once a week has a good effect on plant height. The suggestion of this research is to use liquid organic fertilizer with a concentration of 4 g/l of water and a frequency of once a week in the cultivation of corn.