Nutr Cycl Agroecosyst https://doi.org/10.1007/s10705-018-9926-6 ORIGINAL ARTICLE Agronomic effects of biochar and wastewater irrigation in urban crop production of Tamale, northern Ghana . . . Edmund Kyei Akoto-Danso Delphine Manka’abusi Christoph Steiner . . . . Steffen Werner Volker Haring George Nyarko Bernd Marschner Pay Drechsel Andreas Buerkert Received: 18 November 2017 / Accepted: 25 May 2018 Springer Science+Business Media B.V., part of Springer Nature 2018 Abstract Agricultural production needs to increase, quantity levels on soil moisture, plant nutrition and particularly in sub-Saharan Africa, many rural people biomass production on a Petroplinthic Cambisol over -1 are undernourished, and the urban population is 2 years. Rice husk biochar applied at 20 t ha growing rapidly. It is worrisome that on many West signiﬁcantly increased fresh matter yields in the ﬁrst African soils with low cation exchange capacity and ﬁve cropping cycles by 15%, and by 9% by the end of soil organic carbon content, mineral fertilization is 2 years. Compared with clean water, wastewater rather inefﬁcient. Under these conditions, wherever irrigation increased yields 10–20-fold on unfertilized available untreated wastewater is used for irrigation plots during the dry seasons, while a fourfold incre- despite the potential health risks to producers and ment
Nutrient Cycling in Agroecosystems – Springer Journals
Published: Jun 5, 2018
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