Combination of Plant Spacing and Fertilizer Doses (ZA and KCl) on Growth and Yield of F1 Bima 20 Variety
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FNU Suwarti , FNU SuwardiDOI:
https://doi.org/10.25047/agriprima.v4i2.369Published:
30-09-2020Issue:
Vol. 4 No. 2 (2020): SEPTEMBERKeywords:
Fertilizer doses, Plant Row, Plant Growth, ProductivityArticles
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Abstract
Application of the precise fertilizer dose combined to appropriate planting spacing is a factor that is expected to increase plant growth and productivity of hybrid maize seeds. The purpose of this study was to examine the legowo row spacing model ((100 cm - 50 cm) x 20 cm) compared to the normal spacing model (75 cm x 20 cm) with a combination of various fertilizer doses to the productivity rate of Bima 20 hybrid maize seeds. The experiment was conducted at the ICERI Experimental Station Maros, from May to
August 2017. The experiment was carried out using a nested randomized block design. Four fertilization treatments were A: 350 kg/ha Urea + 50 kg/ha KCl; B: 350 kg/ha Urea + 100 kg/ha KCl; C: 350 kg/ha Urea + 50 kg/ha ZA; D; 350 kg/ha Urea + 100 kg/ha ZA was repeated three times in two spacing treatments, namely conventional 70 cm x 20 cm spacing and legowo row spacing (100 cm-50 cm) x 20 cm. Observation of growth and yields were carried out on female plants. Interactions between treatments showed
significantly different on leaf widths. The highest yield on a single factor of fertilizer was obtained at a combination of 350 kg/ha Urea + 50 kg/ha Za (produced 10.62 tons seeds
per ha). The independent jajarlegowo spacing model factor produced 9.66 tons seeds per ha, higher than the 75 cm x 20 cm row spacing. Higher Pearson’s correlation with yield was obtained on plant height and ear length (r=0.40).
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