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Baseline environmental requirements help reduce pesticide use in West and North-west Africa

Year of publication 2015

Pages 2p.

Author FCC-EMPRES

Publisher FAO ;

Product type Brochure, flyer, fact-sheet

ISBN No ISBN

Series number 9

Edition 1

Synopsis (short abstract) Many of the pesticides used in desert locust control pose a risk to the environment and to human health, even if they are used judiciously. To minimize the impact of pesticides use on human health and the environment, member countries of the FAO Commission for Controlling the Desert Locust in the Western Region (CLCPRO) established baseline environmental requirements that locust campaigns should comply with.

Language English

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    To achieve biological production on a sustainable basis through the addition of soil organic carbon (SOC) and check land degradation, Populus deltoides is a promising species recognized as an important tree component in agroforestry system (AFS) in the present changing climate. The soil is enriched through the addition of leaf litter in large quantities by this tree, which ultimately improves the fertility in terms of SOC, available N, P and K. However, scanty information is obtainable related to associations between soil properties and poplar based AFS. In this communication, the objective of this study to examine the effect of three old poplar based AFS on soil OC, available N, P and K. The site consisted of six different spacings: i.e. 3×3m, 4×3m, 5×3m, 6×3m, 7×3m and 8×3m of poplar were intercropped with winter wheat, and in adjacent agricultural control plot, where winter wheat was the sole crop (devoid of tree). We quantified soil properties such as soil SOC and available N, P and K at 0-15 cm depth and studied their spatial variability in relation to different spacings of poplar based AFS during 2018-2019. SOC accumulation rates increased with the decrease in tree spacing and were maximum (0.69%) under 3×3 m spacing. The available soil N, P and K increased significantly under different spacings of poplar based AFS in all the treatments from their initial values. The highest available soil N (233.5 kg ha –1 ), P (16.1 kg ha–1) and K (285.3 kg ha–1) were recorded under 3 × 3m spacing compared to 4×3m, 5×3m, 6×3m, 7×3m, 8×3m and sole cropping after harvesting of wheat crop. Keywords: Climate change, Adaptive and integrated management, Research, Agriculture, Deforestation and forest degradation ID: 3486112
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