Fertilizer Usage and Nutrient Management in Horticultural Crops

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Plant Nutrition".

Deadline for manuscript submissions: 5 August 2024 | Viewed by 1181

Special Issue Editors


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Guest Editor
Department of Horticulture, Wroclaw University of Environmental and Life Sciences, 50363 Wroclaw, Poland
Interests: fertilizers; plant nutrition; microelements; growing media; hydropoponics

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Guest Editor
Department of Horticulture, Wroclaw University of Environmental and Life Sciences, 50363 Wroclaw, Poland
Interests: orchad; vineyard; fruit yield and quality

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Guest Editor
Department of Horticulture, Wroclaw University of Environmental and Life Sciences, 50363 Wroclaw, Poland
Interests: nursery production; rootstock; orchad and berry crops

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Guest Editor
College of Agricultural and Applied Sciences, Utah State University, Logan, UT 84322-4820, USA
Interests: vegetable crop physiology; high tunnels; vegetable fertilization; vegetable cropping systems; environmental stresses; root physiology

Special Issue Information

Dear Colleagues,

Fertilization is one of the most important factors determining the success of horticulture production. We are constantly looking for methods and techniques to improve plant nutrient utilization efficiency, control nutrient release and reduce the fertlizers’ environmental impact. Researchers pay special attention to increasing the efficiency of the use of nitrogen and other elements in the fertilization process and the problem with micronutrients. The basic nutritional needs of horticultural plants are understood, but the community is looking for ways to reduce the doses and improve the quality of horticultural products by increasing the concentration of the desired ingredients and, on the other hand, reducing the unfavorable ones. Fertilization is used to increase the resistance of plants to diseases and stress factors such as drought, salinity or low temperature. The elements classified as beneficial elements, which include silicon, titanium, vanadium and others, are gaining more and more attention. Their use requires in-depth research. Plants are subjected to biofortification with elements important for human and animal nutrition, such as selenium or iodine. This Special Issue focuses on the practical and theoretical aspects of fertilization and nutrition of horticultural plants, with particular emphasis on micronutrients and beneficial elements and their impact on the crop quality and environment.

Dr. Piotr Chohura
Dr. Marta Czaplicka
Dr. Ewelina Gudarowska
Prof. Dr. Daniel Drost
Guest Editors

Manuscript Submission Information

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Keywords

  • fertilization efficiency
  • microelements
  • beneficial elements

Published Papers (2 papers)

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Research

14 pages, 1596 KiB  
Article
An Analysis of the Main Nutrient Components of the Fruits of Different Macadamia (Macadamia integrifolia) Cultivars in Rocky Desertification Areas and a Comprehensive Evaluation of the Mineral Element Contents
by Zhuanmiao Kang, Guangzheng Guo, Fengping He, Hui Zeng, Xinghao Tu and Wenlin Wang
Horticulturae 2024, 10(5), 468; https://doi.org/10.3390/horticulturae10050468 (registering DOI) - 03 May 2024
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Abstract
This study aims to understand the main nutrient composition and comprehensively evaluate the differences in the mineral element contents of fruits of different macadamia cultivars, as well as screen good cultivars that are suitable for use in rocky desert mountains. Nine macadamia nut [...] Read more.
This study aims to understand the main nutrient composition and comprehensively evaluate the differences in the mineral element contents of fruits of different macadamia cultivars, as well as screen good cultivars that are suitable for use in rocky desert mountains. Nine macadamia nut cultivars were selected as test materials in rocky desert mountain orchards. The contents of crude fat, crude protein, and total soluble sugar in kernels and N, P, K, Ca, Mg, Fe, Mn, Cu, Zn, and B in peels and kernels were determined, respectively. Then, the kernels’ mineral element contents were comprehensively evaluated based on principal component analysis. The results showed that the kernels were rich in crude fat, protein, and soluble sugar, with the crude fat content reaching 75% or greater, and the variation among cultivars was small. However, the variation in soluble sugar content was extensive. The content of mineral elements varied in different cultivars and parts of the fruit, with the average macronutrient content being K > N > Ca > P > Mg in the pericarp and N > K > P > Mg > Ca in the kernel, and the content of micronutrients in the pericarp and the kernel being Mn > Fe > Zn > Cu > B. By principal component analysis, the 10 mineral nutrient indexes were calculated as four principal components, with a cumulative contribution rate of 88.051%. Using the affiliation function value method and the calculation of the comprehensive evaluation value, the nine cultivars could be classified into three categories. The cultivar with the highest comprehensive evaluation value of the mineral element content was O.C. The one with the lowest value was H2, which indicated that O.C is a suitable variety for popularization in rocky desert mountainous areas. Stepwise regression analysis concluded that P, K, Fe, Mn, and Cu were the indicators significantly influencing the mineral element content of macadamia nuts and fruits in rocky desert mountains. Full article
(This article belongs to the Special Issue Fertilizer Usage and Nutrient Management in Horticultural Crops)
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19 pages, 2777 KiB  
Article
Potassium and Magnesium in American Ginseng Roots as Key Factors in Monitoring Soil Quality, Yield, and Quality: Screening, Prediction, and Validation
by Jiaqi Qian, Hai Sun, Cai Shao, Hao Liang, Weiyu Cao, Bochen Lv and Yayu Zhang
Horticulturae 2024, 10(4), 344; https://doi.org/10.3390/horticulturae10040344 - 29 Mar 2024
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Abstract
Understanding the key roles of nutrient elements in soil–plant systems are essential for herbal medicine production and sustainable development. However, the ecological relationships between soil quality and nutrient elements, yield, saponins, or other active compounds in American ginseng remain unclear. In this study, [...] Read more.
Understanding the key roles of nutrient elements in soil–plant systems are essential for herbal medicine production and sustainable development. However, the ecological relationships between soil quality and nutrient elements, yield, saponins, or other active compounds in American ginseng remain unclear. In this study, 20 soil indicators, 10 root nutrient indicators, 9 quality indicators, and yields were investigated. The minimum dataset was constructed by principal component analysis, key factors were screened by correlation analysis and PLS-PM analysis, and the prediction model was constructed using linear fitting and tested by a validation test. The minimum dataset, constructed based on principal component analysis, comprised five indicators: SOM, TP, AK, AMg, and ACa. Correlation analysis, PLS-PM analysis, and linear fitting showed that K and Mg were the key factors relating soil quality to the yield and quality of American ginseng and that when AMg was 0.21 g/kg and AK was 0.30 g/kg, soil organic matter was 27%, total phosphorus was 1.19 g/kg in soil, K content in roots was 15.63 g/kg, Mg content was 1.91 g/kg, and the K/Mg of 8.85 could balance American ginseng yield and quality. In predicting and validating the model, predicting the DW, total ginsenoside, Rb1, Rb2, Rc, and Rd of American ginseng using K/Mg were reliable. This study provides a scientific basis for nutrient regulation, selecting planting sites, assessing soil quality, and predicting and evaluating American ginseng quality. Full article
(This article belongs to the Special Issue Fertilizer Usage and Nutrient Management in Horticultural Crops)
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