Foliar Fertilization: Novel Approaches and Field Practices

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Soil and Plant Nutrition".

Deadline for manuscript submissions: 31 January 2025 | Viewed by 1043

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Guest Editor
Department of Crop Production, College of Natural Sciences, University of Rzeszow, Zelwerowicz 4 St., 35-601 Rzeszow, Poland
Interests: improving agricultural crop production technology; impact of crop technology on plant quality and food safety; exogenous use of phytoprotectants; biochemical and physiological responses of plants to abiotic stresses in crop production
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Crop Production, University of Rzeszow, Zelwerowicza 4, 35-601 Rzeszow, Poland
Interests: improving the production technology of crop plants, especially cereals, oilseeds, and legumes; influence of cultivar, agrotechnical factors, and environmental factors on the yield and differentiation of the quality parameters of grains (seeds) of various species of crop plants; fertilization of cultivated plants, especially foliar fertilization; research on the physiological state of plants in relation to the stress factors and agrotechnical treatments applied
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In the 21st century, productive crops will play an important role in increasing yields, mainly due to limited land and water resources available for crop production, increased costs of inorganic fertilizers used, declining trends in the yields of selected crops worldwide, and growing environmental concerns. However, regardless of the crop, modern agriculture is seeking technological solutions to increase yield but also to improve quality parameters. Plant productivity can be increased by appropriate fertilization, using mineral, organic, and biological fertilizers. Nutrients play an important role in the growth and development of plants. Optimal growth is associated with better crop health, competitiveness, and greater tolerance to various biotic and abiotic stresses.

Furthermore, plant nutrition provides optimal conditions for growth and development, making it an important part of an integrated pest management strategy. When nutrient uptake from the soil is inhibited, foliar fertilization can be an alternative and highly effective way to supply plants with the missing macronutrients and micronutrients, so its use to compensate for nutrient deficiencies is an integral procedure in agricultural production. Although micronutrients are required by plants in relatively small amounts, their deficiencies cause significant disturbances in physiological and metabolic processes in the plant. The balanced and well-considered use of foliar fertilizers has a positive effect on the plant without having a negative impact on the environment. Foliar application of stimulants is important because of their rapid action, which makes it possible to achieve high fertilization efficiency with a small amount of the component. This makes it possible to apply nutrients foliarly at the time of maximum plant demand, thus increasing the yield of the varieties.

In this Special Issue, special attention is paid to various aspects of foliar fertilization, especially with regard to plant growth and development, physiological traits, incidence of diseases and pest feeding, and quantity and quality of production. The articles submitted may also address technical issues and the cost-effectiveness of foliar fertilizer applications. Scientific articles may present the results of field and laboratory research on agricultural, vegetable, fruit, and ornamental plants.

Dr. Dagmara Migut
Dr. Wacław Jarecki
Guest Editors

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Keywords

  • foliar fertilization
  • foliar application
  • biostimulants
  • phytoprotectants
  • abiotic stresses
  • micronutrients
  • macronutrients
  • plant protection
  • yield
  • yield quality

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Published Papers (1 paper)

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Research

20 pages, 3843 KiB  
Article
Wheat Response to Foliar-Applied Phosphorus Is Determined by Soil Phosphorus Buffering
by Raj Malik, Craig Scanlan, Andrew van Burgel and Balwinder Singh
Agronomy 2024, 14(8), 1630; https://doi.org/10.3390/agronomy14081630 - 25 Jul 2024
Viewed by 620
Abstract
In no-till cropping systems, banding of phosphorus (P) fertiliser at seeding results in low use efficiency due to chemical reactions in soil. Foliar P has the potential to allow grain producers to respond tactically with P application after sowing when P supply from [...] Read more.
In no-till cropping systems, banding of phosphorus (P) fertiliser at seeding results in low use efficiency due to chemical reactions in soil. Foliar P has the potential to allow grain producers to respond tactically with P application after sowing when P supply from soil and fertiliser is not meeting crop demand. The objective of this study was to evaluate the effectiveness of foliar P on wheat grain yield, grain quality, biomass yield, P uptake and P use efficiency indices. Nine field experiments were conducted to investigate the response of wheat to foliar P. Three rates of P, 0, 2.5 and 5.0 kg/ha, as phosphoric acid (H3PO4 85%) were applied to wheat at three different growth stages: first tiller emergence (Z21), first node detection (Z31) and flag leaf emergence (Z39). Grain yield responses ranging from 176 kg/ha to 505 kg/ha to foliar-applied P were observed in six out of nine experiments. The percent grain yield response to foliar P was negatively related to the P buffering index (PBI, 0–10 cm soil depth), which is attributed to greater sorption by soil of the foliar P at the higher PBI levels. Mean agronomic efficiency (AE) across the experiments was 111 kg/kg P but reached up to 232 kg/kg P. It was also evident that foliar P has the potential to improve P concentration in shoots and grains and increase P uptake but with no or minimal effect on grain quality. Our results suggest that a combination of tissue testing at the seedling stage and soil P buffering can be used to guide when foliar P application is likely to increase grain yield in wheat. Full article
(This article belongs to the Special Issue Foliar Fertilization: Novel Approaches and Field Practices)
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