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| Content Provider | Springer Nature Link |
|---|---|
| Author | Masaka, Johnson Wuta, Menas Nyamangara, Justice Mugabe, Francis Themba |
| Copyright Year | 2013 |
| 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. |
| Starting Page | 149 |
| Ending Page | 170 |
| Page Count | 22 |
| File Format | |
| ISSN | 13851314 |
| Journal | Nutrient Cycling in Agroecosystems |
| Volume Number | 96 |
| Issue Number | 2-3 |
| e-ISSN | 15730867 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2013-09-24 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Manure Quality Nitrate Leaching Wetland Agriculture |
| Content Type | Text |
| Resource Type | Article |
| Subject | Agronomy and Crop Science Soil Science |
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