Reducing the Use of Chemicals in Agriculture in Favor of New Methods of Plant Protection and Growth Stimulation

A special issue of Plants (ISSN 2223-7747).

Deadline for manuscript submissions: closed (25 October 2025) | Viewed by 578

Special Issue Editors


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Guest Editor

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Guest Editor
Agronomy Department, Faculty of Agronomy, Horticulture and Biotechnology, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland
Interests: crop protection; weed control; adjuvant; herbicide; weed resistance
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Special Issue Information

Dear Colleagues,

Modern agriculture faces many challenges. The growing population demands an increase in agricultural production, on the one hand, and on the other hand, increasing emphasis is being placed on reducing the use of chemical plant protection products and fertilizers. The solution here, among others, is the use of biological plant protection products. In the case of applying chemical preparations, it is worth using adjuvants, which allow for a reduction in the dose of pesticides used. An increasingly popular solution is also the integration of various methods that are combined into a whole technology that is friendlier to nature overall. An important aspect of plant health and proper development is the use of substances and microorganisms that reduce plant stress caused by abiotic and biotic factors. The integration of various methods in agriculture is therefore a solution to the many challenges that must be met in order to ensure food security whilst minimizing interference in the natural environment.

You may choose our Joint Special Issue in Agronomy.

Prof. Dr. Piotr Szulc
Dr. Robert Idziak
Guest Editors

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Keywords

  • biological plant protection products
  • biostimulants
  • adjuvants
  • integrated plant protection

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Published Papers (1 paper)

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Research

14 pages, 1697 KB  
Article
Sustainable Management of Invasive Algal Waste (Caulerpa prolifera): Biomass Compost for Nitrogen Reduction in Vulnerable Coastal Area
by María Carmen Piñero, Carlos García Delgado, Sandra López Rayo, Jacinta Collado-González, Ginés Otálora and Francisco M. del Amor
Plants 2025, 14(24), 3778; https://doi.org/10.3390/plants14243778 - 11 Dec 2025
Viewed by 252
Abstract
Composting seaweed biomass reduces environmental impacts while supporting circular-economy strategies in coastal areas, where seaweed removed for recreational management is commonly treated as waste. This approach aligns with regional and EU policies on circular bioeconomy and coastal ecosystem restoration. This study evaluated the [...] Read more.
Composting seaweed biomass reduces environmental impacts while supporting circular-economy strategies in coastal areas, where seaweed removed for recreational management is commonly treated as waste. This approach aligns with regional and EU policies on circular bioeconomy and coastal ecosystem restoration. This study evaluated the effects of Mar Menor seaweed compost applied at 0%, 15% and 35% on lettuce cultivation. Two nitrogen supply levels (100% and 60%) were also used to assess interactive effects on plant growth and nutrient dynamics. The optimal rate of 15% compost enhanced lettuce growth by 25.1% under 100% N irrigation and by 32.2% under 60% N irrigation, indicating that reduced nitrogen availability did not limit biomass accumulation. Indeed, irrigation nitrogen level did not affect total biomass. Compost addition also improved nutrient content and increased phenolic compounds in leaves. When nitrogen was reduced, the combination with compost further boosted phenolic accumulation, by 39.6% with 15% compost and 34.7% with 35%, suggesting a synergistic response. Overall, seaweed compost improves crop performance and nutritional quality while lowering dependence on synthetic fertilisers. Environmentally and economically, it provides coastal municipalities a sustainable option for managing excess seaweed by converting waste into valuable agricultural inputs and mitigating impacts of algal overgrowth. Full article
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