Optimizing Nitrogen, Phosphorus, and Potassium Fertilization Levels for Container Plants of Lagerstroemia Indica ‘Whit III’ Based on the Comprehensive Quality Evaluation

To improve plant quality and fertilizing efficiency, we conducted a study to elucidate the effects of nitrogen (N), phosphorous (P), and potassium (K) fertilizers on the growth, nutrient accumulation, and quality of Lagerstroemia indica plants grown in containers and determine the optimal fertilizat...

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Main Authors: Yijing Wu, Qingyu Lu, Yao Gong, Yiming Zhang, Yan Xu, Ming Cai, Huitang Pan, Qixiang Zhang
Format: Article
Language:English
Published: American Society for Horticultural Science (ASHS) 2023-01-01
Series:HortScience
Subjects:
Online Access:https://journals.ashs.org/hortsci/view/journals/hortsci/58/2/article-p222.xml
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author Yijing Wu
Qingyu Lu
Yao Gong
Yiming Zhang
Yan Xu
Ming Cai
Huitang Pan
Qixiang Zhang
author_facet Yijing Wu
Qingyu Lu
Yao Gong
Yiming Zhang
Yan Xu
Ming Cai
Huitang Pan
Qixiang Zhang
author_sort Yijing Wu
collection DOAJ
description To improve plant quality and fertilizing efficiency, we conducted a study to elucidate the effects of nitrogen (N), phosphorous (P), and potassium (K) fertilizers on the growth, nutrient accumulation, and quality of Lagerstroemia indica plants grown in containers and determine the optimal fertilization levels. Both single-factor and multifactor experiments involving N, P, K fertilizers were designed. Integrated with the plant growth, physiological traits, nutrient levels, and other indices, we used a membership function analysis to comprehensively evaluate plant quality. During the single-factor experiments, the best levels of the single fertilizers applied were 8 g/plant N, 2 g/plant P, and 4 g/plant K. We also found that, within a certain range, N, P, and K fertilizers promoted vegetative growth, increased the chlorophyll, soluble sugar, and soluble protein concentrations, and enhanced nutrient accumulation of L. indica. To avoid the wasting of fertilizers and promote plant quality, the optimal application levels were calculated using a regression analysis. The suggested N, P, and K applications were 6.89 g/plant, 1.97 g/plant, and 3.33 g/plant, respectively. Our results revealed that N, P, and K effect the performance of L. indica container plants, which paves the way for developing reliable and precise fertilizing techniques for growing L. indica.
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spelling doaj.art-bfe900fe7fe64a53ae902af3362b274d2023-03-01T17:53:28ZengAmerican Society for Horticultural Science (ASHS)HortScience2327-98342023-01-01582222230Optimizing Nitrogen, Phosphorus, and Potassium Fertilization Levels for Container Plants of Lagerstroemia Indica ‘Whit III’ Based on the Comprehensive Quality EvaluationYijing WuQingyu LuYao GongYiming ZhangYan XuMing CaiHuitang PanQixiang ZhangTo improve plant quality and fertilizing efficiency, we conducted a study to elucidate the effects of nitrogen (N), phosphorous (P), and potassium (K) fertilizers on the growth, nutrient accumulation, and quality of Lagerstroemia indica plants grown in containers and determine the optimal fertilization levels. Both single-factor and multifactor experiments involving N, P, K fertilizers were designed. Integrated with the plant growth, physiological traits, nutrient levels, and other indices, we used a membership function analysis to comprehensively evaluate plant quality. During the single-factor experiments, the best levels of the single fertilizers applied were 8 g/plant N, 2 g/plant P, and 4 g/plant K. We also found that, within a certain range, N, P, and K fertilizers promoted vegetative growth, increased the chlorophyll, soluble sugar, and soluble protein concentrations, and enhanced nutrient accumulation of L. indica. To avoid the wasting of fertilizers and promote plant quality, the optimal application levels were calculated using a regression analysis. The suggested N, P, and K applications were 6.89 g/plant, 1.97 g/plant, and 3.33 g/plant, respectively. Our results revealed that N, P, and K effect the performance of L. indica container plants, which paves the way for developing reliable and precise fertilizing techniques for growing L. indica.https://journals.ashs.org/hortsci/view/journals/hortsci/58/2/article-p222.xmllagerstroemia indicacrape myrtlenitrogenphosphorouspotassiumplant qualityfertilizer applied levels
spellingShingle Yijing Wu
Qingyu Lu
Yao Gong
Yiming Zhang
Yan Xu
Ming Cai
Huitang Pan
Qixiang Zhang
Optimizing Nitrogen, Phosphorus, and Potassium Fertilization Levels for Container Plants of Lagerstroemia Indica ‘Whit III’ Based on the Comprehensive Quality Evaluation
HortScience
lagerstroemia indica
crape myrtle
nitrogen
phosphorous
potassium
plant quality
fertilizer applied levels
title Optimizing Nitrogen, Phosphorus, and Potassium Fertilization Levels for Container Plants of Lagerstroemia Indica ‘Whit III’ Based on the Comprehensive Quality Evaluation
title_full Optimizing Nitrogen, Phosphorus, and Potassium Fertilization Levels for Container Plants of Lagerstroemia Indica ‘Whit III’ Based on the Comprehensive Quality Evaluation
title_fullStr Optimizing Nitrogen, Phosphorus, and Potassium Fertilization Levels for Container Plants of Lagerstroemia Indica ‘Whit III’ Based on the Comprehensive Quality Evaluation
title_full_unstemmed Optimizing Nitrogen, Phosphorus, and Potassium Fertilization Levels for Container Plants of Lagerstroemia Indica ‘Whit III’ Based on the Comprehensive Quality Evaluation
title_short Optimizing Nitrogen, Phosphorus, and Potassium Fertilization Levels for Container Plants of Lagerstroemia Indica ‘Whit III’ Based on the Comprehensive Quality Evaluation
title_sort optimizing nitrogen phosphorus and potassium fertilization levels for container plants of lagerstroemia indica whit iii based on the comprehensive quality evaluation
topic lagerstroemia indica
crape myrtle
nitrogen
phosphorous
potassium
plant quality
fertilizer applied levels
url https://journals.ashs.org/hortsci/view/journals/hortsci/58/2/article-p222.xml
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