Abstract
The deficiency of primary macronutrients can inhibit the vegetative growth of the plants. The study aimed to obtain the influence of nutrient omission techniques fertilization (NOTF) on the agronomic characteristics, nutrient uptake and to determine the growth limiting factors for maize. This research was located on the farmer field in Padang Bulan, Medan Baru, North Sumatra, Indonesia, from December 2020 to March 2021. This research was applied the Randomized Block Design within the single factor through NOTF that has been converted (urea: superphosphate: KCl = 0.15: 0.10: 0.025 g kg-1). The treatment using F0 = control; F1 = N + P + K; F2 = P + K; F3 = N + K; F4 = N + P within three replications. The parameters were processed using ANOVA and continued by a Duncan Multiple Range Test (DMRT) at P < 0.05. The F1-F4 treatments significantly increased plant height, number of leaves, leaf area, fresh weight of root and shoot, and dry weight of root and shoot for maize. It was found in the highest plant height, the number of leaves, and the dry weight of root at the N + P fertilization. However, the N + P + K fertilization increased leaf area, fresh weight, and dry weight of shoot. It showed the highest concentration and uptake nutrient of total-N, total-P, and total-K. The novelty of this study found the limiting factor that inhibited the maize growth was the non-fertilization of nitrogen.
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Claims 5
Claim · model-written summary
F1 through F4 fertilization significantly increased maize plant height, leaf number and area, and root and shoot weights.
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The F1-F4 treatments significantly increased plant height, number of leaves, leaf area, fresh weight of root and shoot, and dry weight of root and shoot for maize”
Claim · model-written summary
N + P fertilization gave the highest plant height, leaf number and root dry weight.
- Treatment
- N + P fertilizatione0
- Outcome
- plant height, the number of leaves, and the dry weight of roote0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest plant height, the number of leaves, and the dry weight of root at the N + P fertilization”
t0“Maize”
Claim · model-written summary
N + P + K fertilization increased leaf area, fresh weight and shoot dry weight.
- Treatment
- N + P + K fertilizatione0
- Outcome
- leaf area, fresh weight, and dry weight of shoote0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the N + P + K fertilization increased leaf area, fresh weight, and dry weight of shoot”
t0“Maize”
Claim · model-written summary
The highest total N, P and K concentrations and uptake were observed.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It showed the highest concentration and uptake nutrient of total-N, total-P, and total-K”
t0“Maize”
Claim · model-written summary
Nitrogen omission was identified as the limiting factor inhibiting maize growth.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the limiting factor that inhibited the maize growth was the non-fertilization of nitrogen”
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