A dataset of meta-analyses on crop diversification at the global scale

A dataset of meta-analyses on crop diversification at the global scale

Numerous meta-analyses have been conducted in the last three decades to assess the productive and environmental benefits resulting from a diversification of cropping systems. These meta-analyses assessed one or several diversification strategies (e.g.,rotations, cover crops, agroforestry) according to various outcomes(e.g., productivity, profitability, biodiversity). To date, no dataset has provided a comprehensive synthesis of existing experimental data on crop diversification. We present here a dataset containing 2382 effect sizes published in 99 meta-analyses covering 3736 experimental studies worldwide (https://figshare.com/s/c15a93e96c95f89ddd89). We also provide an extensive appraisal of the quality of each meta-analysis and a quantification of the redundancy of primary studies between meta-analyses. Our database hence provides (i) a quantification of the impacts of a variety of diversification strategies on crop production, the environment and economic profitability at the global scale and, (ii) a quality and redundancy assessment that may be used as a reference for future studies.

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Bibliographic Details
Main Authors: Beillouin, Damien, Ben-Ari, Tamara, Makowski, David
Format: article biblioteca
Language:eng
Subjects:F08 - Systèmes et modes de culture, C30 - Documentation et information, U30 - Méthodes de recherche, système d'exploitation agricole, système de culture, mode de culture, agroforesterie, culture en mélange, culture sous couvert végétal, rotation culturale, analyse de données, analyse comparative, analyse de système, données, http://aims.fao.org/aos/agrovoc/c_2807, http://aims.fao.org/aos/agrovoc/c_1971, http://aims.fao.org/aos/agrovoc/c_29762, http://aims.fao.org/aos/agrovoc/c_207, http://aims.fao.org/aos/agrovoc/c_4871, http://aims.fao.org/aos/agrovoc/c_25706, http://aims.fao.org/aos/agrovoc/c_6662, http://aims.fao.org/aos/agrovoc/c_15962, http://aims.fao.org/aos/agrovoc/c_ed80f2b8, http://aims.fao.org/aos/agrovoc/c_7581, http://aims.fao.org/aos/agrovoc/c_49816,
Online Access:http://agritrop.cirad.fr/598925/
http://agritrop.cirad.fr/598925/1/598925.pdf
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Summary:Numerous meta-analyses have been conducted in the last three decades to assess the productive and environmental benefits resulting from a diversification of cropping systems. These meta-analyses assessed one or several diversification strategies (e.g.,rotations, cover crops, agroforestry) according to various outcomes(e.g., productivity, profitability, biodiversity). To date, no dataset has provided a comprehensive synthesis of existing experimental data on crop diversification. We present here a dataset containing 2382 effect sizes published in 99 meta-analyses covering 3736 experimental studies worldwide (https://figshare.com/s/c15a93e96c95f89ddd89). We also provide an extensive appraisal of the quality of each meta-analysis and a quantification of the redundancy of primary studies between meta-analyses. Our database hence provides (i) a quantification of the impacts of a variety of diversification strategies on crop production, the environment and economic profitability at the global scale and, (ii) a quality and redundancy assessment that may be used as a reference for future studies.

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