Positive growth response of Pinus pinaster seedlings in soils previously subjected to fertilization and irrigation

Ali, Muhammad Arif; Louche, Julien; Duchemin, Myriam; Plassard, Claude

doi:10.1016/j.foreco.2014.01.006

Cited by 12 publications

(6 citation statements)

References 61 publications

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“…Other studies have focused on changes in soil fungal communities, describing the stimulation of mycorrhization after the application of low doses of rock phosphate (Alguacil et al, 2010; Ali et al, 2014), but a decrease in arbuscular mycorrhizal fungi under high doses of P addition (Alguacil et al, 2010). Zhu et al (2013) described an increase in fine‐root biomass after P fertilization, because phosphate is very immobile due to its easy adsorption to organic matter and mineral oxides, so the development of fine roots could increase the chances for encountering and acquiring the additional P (Ostertag, 2001; Zhu et al, 2013).…”

Section: Discussionmentioning

confidence: 99%

“…This hypothesis has been tested by some studies that have applied combined treatments. For example, Ali et al (2014) reported that the pool of available P in soils exposed to irrigation and fertilization was highest before plant growth and was depleted more compared to treatments applied separately. Our study, together with some previous experiments, thus strongly suggests a positive interaction between P fertilization and water availability.…”

Section: Discussionmentioning

confidence: 99%

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The effect of global change on soil phosphatase activity

Margalef

Sardans

Maspons

et al. 2021

Global Change Biology

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Soil phosphatase enzymes are produced by plant roots and microorganisms and play a key role in the cycling of phosphorus (P), an often‐limiting element in terrestrial ecosystems. The production of these enzymes in soil is the most important biological strategy for acquiring phosphate ions from organic molecules. Previous works showed how soil potential phosphatase activity is mainly driven by climatic conditions and soil nitrogen (N) and carbon. Nonetheless, future trends of the activity of these enzymes under global change remain little known. We investigated the influence of some of the main drivers of change on soil phosphatase activity using a meta‐analysis of results from 97 published studies. Our database included a compilation of N and P fertilization experiments, manipulation experiments with increased atmospheric CO2 concentration, warming, and drought, and studies comparing invaded and non‐invaded ecosystems. Our results indicate that N fertilization leads to higher phosphatase activity, whereas P fertilization has the opposite effect. The rise of atmospheric CO2 levels or the arrival of invasive species also exhibits positive response ratios on the activity of soil phosphatases. However, the occurrence of recurrent drought episodes decreases the activity of soil phosphatases. Our analysis did not reveal statistically significant effects of warming on soil phosphatase activity. In general, soil enzymatic changes in the reviewed experiments depended on the initial nutrient and water status of the ecosystems. The observed patterns evidence that future soil phosphatase activity will not only depend on present‐day soil conditions but also on potential compensations or amplifications among the different drivers of global change. The responses of soil phosphatases to the global change drivers reported in this study and the consideration of cost–benefit approaches based on the connection of the P and N cycle will be useful for a better estimation of phosphatase production in carbon (C)–N–P models.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

The effect of global change on soil phosphatase activity

Margalef

Sardans

Maspons

et al. 2021

Global Change Biology

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“…There is often a phosphorus deficiency in maritime pine forests, so that soil lubrication is suggested during the first years of planting (Ali et al 2014). However, the previous procedure was completely impracticable in the study area.…”

Section: Discussionmentioning

confidence: 99%

Soil fertility and productivity estimation of Pinus pinaster Aiton reforestations in Central and Northeast Chalcidice in Northern Greece

Karamanoli¹,

Papaioannou²,

Sofogianni³

2017

J. For. Sci.

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Maritime pine (Pinus pinaster Aiton) is a notable fast-growing conifer, native to the Western Mediterranean Basin, which is considered suitable for reforestations. This tree species was artificially installed in Chalcidice, Northern Greece, about 40 years ago, in order to upgrade mountain ecosystems. The experiment reported in this paper was undertaken to estimate soil conditions and the development progress of maritime pine in the above reforestations. Samples of mineral soil and forest floor were taken from 12 different sites at 2 locations. Despite age, rather weak maritime pine trees are found in both studied locations. Furthermore, significant accumulation of organic matter and nutrients was observed in both forest floor and mineral soil.

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“…Besides fertilization, water is a key factor to promote the plant growth and reproduction process. In the areas of high altitude, where the soil is not suitable for storing water, irrigation is indispensable [121,122]. Dobbertin et al [46] studied the effect of irrigation in a P. sylvestris forest in Switzerland by applying water quantities that doubled the long-term annual precipitation of the site.…”

Section: Water and Fertilization Managementmentioning

confidence: 99%

An Overview of the Practices and Management Methods for Enhancing Seed Production in Conifer Plantations for Commercial Use

Zhao

et al. 2021

Horticulturae

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Flowering, the beginning of the reproductive growth, is a significant stage in the growth and development of plants. Conifers are economically and ecologically important, characterized by straight trunks and a good wood quality and, thus, conifer plantations are widely distributed around the world. In addition, conifer species have a good tolerance to biotic and abiotic stress, and a stronger survival ability. Seeds of some conifer species, such as Pinus koraiensis, are rich in vitamins, amino acids, mineral elements and other nutrients, which are used for food and medicine. Although conifers are the largest (giant sequoia) and oldest living plants (bristlecone pine), their growth cycle is relatively long, and the seed yield is unstable. In the present work, we reviewed selected literature and provide a comprehensive overview on the most influential factors and on the methods and techniques that can be adopted in order to improve flowering and seed production in conifers species. The review revealed that flowering and seed yields in conifers are affected by a variety of factors, such as pollen, temperature, light, water availability, nutrients, etc., and a number of management techniques, including topping off, pruning, fertilization, hormone treatment, supplementary pollination, etc. has been developed for improving cone yields. Furthermore, several flowering-related genes (FT, Flowering locus T and MADS-box, MCMI, AGAMOUS, DEFICIENCES and SRF) that play a crucial role in flowering in coniferous trees were identified. The results of this study can be useful for forest managers and for enhancing seed yields in conifer plantations for commercial use.

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Positive growth response of Pinus pinaster seedlings in soils previously subjected to fertilization and irrigation

Cited by 12 publications

References 61 publications

The effect of global change on soil phosphatase activity

The effect of global change on soil phosphatase activity

Soil fertility and productivity estimation of Pinus pinaster Aiton reforestations in Central and Northeast Chalcidice in Northern Greece

An Overview of the Practices and Management Methods for Enhancing Seed Production in Conifer Plantations for Commercial Use

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