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dc:title "HTML Summary of #7321 \n\nEffect of manure quality on nitrate leaching and groundwater pollution in wetland soil under field tomato (Lycopersicon esculentum, Mill var. Heinz) rape (Brassica napus, L var. Giant)\n\n";
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bibo:abstract "Recent decades have seen an increase in groundwater pollution thought to be a consequence of increasing intensity of land use, primarily through greater use of high N analysis materials as fertilizers. A two-season lysimeter experiment was carried out in a wetland in central Zimbabwe in order to determine the effect of cattle manure quality on (1) NO3–N concentration in leachate and nitrate leaching (2) dry matter accumulation and uptake of N by tomato and rape crops grown in wetland conditions. Two cattle manure quality types based on N content were used in the experiment. The manure collected from a kraal of the smallholder wetland community was classified as high quality manure (high N, 1.36 % N) while that collected from the adjacent commercial farming area was classified as low quality manure (low N, 0.51 % N). The two manure types were applied in rates of 0, 15, 30 Mg ha−1. The treatments were arranged in a randomized complete block design with four replicates. When 15 and 30 Mg high and low N manure ha−1 were applied, the concentration of NO3–N in leachate exceeded the recommended 10 mg L−1 concentration in portable water by 15–104 and 53–174 % respectively. The substitution of 15 and 30 Mg of high N manure with 15 and 30 Mg ha−1 of low N manure reduced total N lost through leaching by 10–43 and 22–69 % respectively. Ground water contamination by nitrate overload can be considerably reduced by application of low N manure to vegetable crops."^^xsd:string;
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bibo:issue "2-3";
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bibo:volume "96";
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dct:date "2013";
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skos:prefLabel "Agriculture-Farming, Production, Technology, Economics"@en .
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skos:prefLabel "Soil Science"@en .
foaf:name "Springer"^^xsd:string;
rdf:type foaf:Organization .
foaf:familyName "Mugabe"^^xsd:string;
foaf:givenName "J."^^xsd:string;
foaf:name "J. Mugabe"^^xsd:string;
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foaf:familyName "Wuta"^^xsd:string;
foaf:givenName "M"^^xsd:string;
foaf:name "M Wuta"^^xsd:string;
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foaf:familyName "Nyamangara"^^xsd:string;
foaf:givenName "J"^^xsd:string;
foaf:name "J Nyamangara"^^xsd:string;
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foaf:familyName "Masaka"^^xsd:string;
foaf:givenName "J"^^xsd:string;
foaf:name "J Masaka"^^xsd:string;
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bibo:issn "13851314";
foaf:name "Nutrient Cycling in Agroecosystems"^^xsd:string;
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