The Effect Of Crop Spacing And Dossage Of Potassium Fertilizer On Growth And Yield Of Sweet Corn (Zea mays Var. saccharata Sturt) Bonanza Cultivar

Devotion : Journal of Research and Community Service Pub Date : 2024-02-20 DOI:10.59188/devotion.v5i2.684

Gita Nurliawati, Achmad Faqih

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Abstract

The development of sweet corn in Indonesia using cultivation techniques in the form of crop spacing is expected to affect the plant population and affect the competition between plants in using water and nutrients, and the application of potassium fertilizer functions in the formation of sugar and starch, sugar translocation, enzyme activity and stomatal movement. The research was conducted in Gombang Village, Plered District, Cirebon Regency from March to June 2023. The treatment used a Randomized Group Design (RAK) factorial pattern consisting of two factors, namely crop spacing and potassium fertilizer dose, obtained 9 treatment combinations and repeated 3 times, so that in total there were 27 experimental plots. The results showed that the spacing of 50 cm x 40 cm (J2) and potassium fertilizer dossage of 100 kg K2O/ha (K2) showed the best effect on the weight of the corn cob with husks per plot which produced 31.85 kg/plot or equivalent to 21.23 tons/ha. There was a significant correlation between the growth components of plant height at 5 weeks and 6 weeks and the number of leaves at 4 weeks and 5 weeks with the weight of the corn cob with husks per plot.

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作物间距和钾肥用量对甜玉米（Zea mays Var. saccharata Sturt）Bonanza 栽培品种生长和产量的影响

印尼甜玉米的发展采用间距栽培技术，预计会影响植株数量，并影响植株之间在水分和养分利用方面的竞争，而钾肥的施用在糖和淀粉的形成、糖的转运、酶的活性和气孔运动方面发挥着作用。研究于 2023 年 3 月至 6 月在井里汶县普拉雷德区贡邦村进行。处理采用随机分组设计（RAK）因子模式，由作物间距和钾肥剂量两个因子组成，共获得 9 个处理组合，重复 3 次，因此共有 27 个试验小区。结果表明，株行距为 50 厘米 x 40 厘米（J2）和钾肥用量为 100 千克 K2O/公顷（K2）对每小区带壳玉米棒的重量影响最佳，每小区产量为 31.85 千克，相当于每公顷 21.23 吨。5 周和 6 周时的株高、4 周和 5 周时的叶片数等生长要素与每块地的带皮玉米棒重量之间存在明显的相关性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Devotion : Journal of Research and Community Service

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