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Forests
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Effect of Nutrient Cycling on Forest Productivity
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Effect of Nutrient Cycling on Forest Productivity

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Forest Ecophysiology and Biology".

Deadline for manuscript submissions: closed (20 October 2023) | Viewed by 2339

Special Issue Editors

Prof. Dr. Marcos Vinicius Winckler Caldeira

E-Mail Website
Guest Editor
Department of Forestry and Wood Sciences, Center for Agricultural Sciences and Engineering, Federal University of Espírito Santo, Jerônimo Monteiro 29550-000, Brazil
Interests: nutrient cycling; seedling; biogeochemistry cycling; litterfall and litter; silviculture; decomposition; biomass production
Special Issues, Collections and Topics in MDPI journals
Dr. Dione Richer Momolli

E-Mail Website
Guest Editor
Postgraduate Program in Forest Sciences, Center for Agricultural Sciences and Engineering, Federal University of Espírito Santo, Jerônimo Monteiro 29550-000, Brazil
Interests: atmospheric deposition; rainfall; throughfall, stemflow; litter; decomposition; biomass; nutrient cycling

Special Issue Information

Dear Colleagues,

The response to the maximum productive capacity of species of economic interest depends on nutrient cycling, which represents a constant source of nutrients for the development of the stand. Nutrient cycling is a dynamic between the soil–plant–atmosphere interface, where nutrient input occurs via atmospheric deposition, being deposited in the canopy or on the soil surface. Another important input occurs via mineral fertilization. Nutrients are absorbed by the root system, allocated to the different compartments of the biomass and released through the decomposition of the biomass.

Therefore, nutrient cycling is a complex specialty because of the long rotation period and the many ways in which stands respond to variations, including climatic conditions, atmospheric deposition, species characteristic, soil physical and chemical attributes, weed competition, silvicultural practices, harvesting, etc. Nutritional management practices are necessary for the sustainability of forest sites. This Special Issue of Forests is seeking to summarize the state of the art of knowledge that includes the variables that influence productivity considering the nutrition of forest stands. Original research papers are welcome.

Prof. Dr. Marcos Vinicius Winckler Caldeira
Dr. Dione Richer Momolli
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Forests is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • nutrient cycling
  • litterfall and litter
  • decomposition
  • weed competition
  • biomass production
  • biogeochemistry cycling
  • agroforestry systems
  • soil fauna
  • atmospheric deposition

Published Papers (2 papers)

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Research

21 pages, 4372 KiB  
Article
Soil Moisture, Nutrients, and Plant Growths under Various Irrigation and Fertilization Regimes during the Crop Replacement Period in an Alley Intercropping System on the Loess Plateau of China
by Chengwei Luo, Ruoshui Wang, Xiaoyu Dou and Chenghao Zheng
Forests 2023, 14(11), 2153; https://doi.org/10.3390/f14112153 - 30 Oct 2023
Cited by 1 | Viewed by 1097
Abstract
The uneven rainfall distribution, limited soil nutrients, and continuous cropping effect in the Loess Plateau restrict the sustainable development of fruit tree/crop (soybean and maize) intercropping systems. A two-year field experiment was conducted to investigate the effects of different water and fertilizer regimes [...] Read more.
The uneven rainfall distribution, limited soil nutrients, and continuous cropping effect in the Loess Plateau restrict the sustainable development of fruit tree/crop (soybean and maize) intercropping systems. A two-year field experiment was conducted to investigate the effects of different water and fertilizer regimes on the soil nutrients and growth of intercropping systems during the crop replacement period. The experiment involved three irrigation levels (0% (I0), 50% (I1), and 80% (I2) of field capacity), two irrigation methods (drip irrigation (DI) and flood irrigation (FI)), and three fertilizer application rates (0 (F0), 375 (F1), and 750 (F2) kg/hm2). The results showed that in 2020 and 2021, the soil water contents increased with increasing irrigation and fertilization. The soil ammonium nitrogen, nitrate nitrogen, and soil organic matter contents in 2021 were 21.0%–68.4% higher than those in 2020. Increasing the fertilizer application rate improved the photosynthesis rate and transpiration rate of apples and maize in 2020 but had a reverse U-shape effect on soybeans in 2021. Irrigation and fertilization increased soybean and maize yields by 2.9%–30.5% compared with the I0F0 treatment. The maize root indicators generally showed an increasing trend followed by a decreasing trend with increasing fertilizer application in 2020, while soybean exhibited an opposite pattern in 2021. The FI1F1 and DI2F2 treatments yielded the optimal economic benefit in 2020 and 2021, respectively. Therefore, from an economic standpoint, FI and DI would have been recommended in 2020 and 2021, respectively. Factor analysis suggested that the DI2F2 treatments had the highest comprehensive benefits over the two years studied. Therefore, we recommend using DI combined with 80% field capacity irrigation and 750 kg/hm2 fertilization to maximize the comprehensive benefits of intercropping systems during the crop replacement period. Full article
(This article belongs to the Special Issue Effect of Nutrient Cycling on Forest Productivity)
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18 pages, 2550 KiB  
Article
Weed Coexistence in Eucalyptus Hybrid Stands Decreases Biomass and Nutritional Efficiency Mid-Rotation
by Dione Richer Momolli, Mauro Valdir Schumacher, Aline Aparecida Ludvichak, Marcos Vinicius Winckler Caldeira, Júlio Cézar Tannure Faria, Marcos Gervasio Pereira, Kristiana Fiorentin dos Santos, Huan Pablo de Souza, Claudiney do Couto Guimarães and Rafael Coll Delgado
Forests 2023, 14(9), 1816; https://doi.org/10.3390/f14091816 - 5 Sep 2023
Viewed by 810
Abstract
Determining the period of weed coexistence with eucalyptus stands assists in the integrated management of weed competition, which reduces the application of herbicides, economic costs, and environmental damage. Therefore, the objectives of the present study were to evaluate the impact of a hybrid [...] Read more.
Determining the period of weed coexistence with eucalyptus stands assists in the integrated management of weed competition, which reduces the application of herbicides, economic costs, and environmental damage. Therefore, the objectives of the present study were to evaluate the impact of a hybrid stand of Eucalyptus grandis × Eucalyptus urophylla trees on biomass production, the concentration and stock of macro and micronutrients, and the efficiency of nutrient utilization under different periods of coexistence with weeds. Our study is the first to report the impacts of weed management on the biomass and nutrients present in the leaves, branches, stembark, and stemwood at the time of mid-rotation (4.5 years old). The experiment was carried out in southern Brazil in the Pampa biome and followed a randomized block design, with three replications. The treatments consisted of increasing periods of coexistence with or control of weeds. The total biomass in the coexistence up to 378 days treatment was 53.7 Mg ha−1, and in the control treatment up to 168 days, it was 81.4 Mg ha−1, differing statistically. This reduction was in the order of 34%. The continuous presence of weeds led to a significant reduction in the production of wood and total biomass. The highest nutrient utilization efficiency (NUE) was observed for wood. The control of weeds for up to 168 days promoted greater productivity than controlling weeds for 378 days. This recommendation can be adopted by plantation managers for this region, reducing the amount of herbicide applied on the stand. Full article
(This article belongs to the Special Issue Effect of Nutrient Cycling on Forest Productivity)
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