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The soils of the Mpandamatenga Plains

Soil Mapping and Advisory Services - Botswana - Field Document 12






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    Article
    Spatial Distribution of Organic Matter Content in Plough Layer of Balikh Flood Plain Soils Northeastern of Syria
    Global Symposium on Soil Organic Carbon, Rome, Italy, 21-23 March 2017
    2017
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    Populus deltoides windbreak: its robust status in wheat production and soil nutrients in Indo-gangetic plains of northern India
    XV World Forestry Congress, 2-6 May 2022
    2022
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    Agroforestry systems (AFS) with fast-growing woody crops such as poplar (Populus deltoides) are increasingly integrated into agricultural land because it is considered as a sustainable agricultural practice that combines primary production with other ecosystem services (ES). To optimize the efficiency of AFS, the suggestion is to develop well modified tree-crop integration by limiting competition for resources and capitalize on the coactions. However, yield data of various wheat varieties in AFS are inadequate, in particular for Populus deltoides windbreak at a age of four and five year old plantation. Here we focused on winter wheat varieties (WH-1105, HD-2967 and HD-943) during two consecutive years (2017-2019) comprising delimited by a row of deciduous poplar trees in East-West and North-South directions (East-West tree line divide farmlands into two aspects i.e. Northern and Southern and North-South tree line divide into Eastern and western aspect). While effects on crop produce were limited for all wheat varieties with the increasing distance from tree line, however, five years old poplar planted on field bunds exhibited significant reduction up to 3 m in grain yield of wheat from tree line for all the wheat varieties. The highest available soil N (210.5 kg ha–1), P (15.3 kg ha–1) and K (280.2 kg ha–1) were recorded near tree line at a distance of 3 m. To optimize the provisioning service of poplar windbreak AFS, the cultivation of highly shade tolerant wheat variety HD-2967 may be advisable over other wheat varieties towards the end of the rotation of poplar windbreak AFS. Keywords: Adaptive and integrated management, Food systems, Agriculture, Climate change, Human health and well-being ID: 3486118
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