| dc.contributor.author | Hill, W. |
| dc.contributor.author | Dodo, H. |
| dc.contributor.author | Hahn, S. |
| dc.contributor.author | Mulongoy , K. |
| dc.contributor.author | Adeyeye, S. |
| dc.date.accessioned | 2019-12-04T11:27:36Z |
| dc.date.available | 2019-12-04T11:27:36Z |
| dc.date.issued | 1990 |
| dc.identifier.citation | Hill, W., Dodo, H., Hahn, S., Mulongoy, K. & Adeyeye, S. (1990). Sweet potato root and biomass production with and without nitrogen fertilization. Agronomy Journal, 82(6), 1120-1122. |
| dc.identifier.issn | 0002-1962 |
| dc.identifier.uri | https://hdl.handle.net/20.500.12478/4971 |
| dc.description.abstract | Previous work suggests that some sweet potato (Ipomoea batatas, L.) cultivars can produce high storage root yields on soils without fertilizer N addition. This study was conducted to compare storage root yields, total biomass, N uptake and fibrous root weights of sweet potato cultivars grown on low N level soils with and without N addition. In 1987 and 1988, improved sweet potato cultivars developed at International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria were grown with and without 50 kg N ha−1 in Oxic Paleustalfs with low N and C concentrations. Yields of 21 to 38 Mg ha−1 were produced for four of the five improved cultivars grown in soil without N addition. Total biomass, foliage, fibrous root and storage root weights and N concentration in leaves were not influenced by fertilizer N addition. Up to 158 and 89 kg N ha−1 uptake in total biomass occurred with the +N and −N treatments, respectively. Indigenous soil N levels and fibrous root weights for − N vs. +N treatments could not account for the total N uptake and biomass produced on soils without N addition. |
| dc.description.sponsorship | United States Agency for International Development |
| dc.description.sponsorship | United States Department of Agriculture |
| dc.language.iso | en |
| dc.subject | Storage |
| dc.subject | Yields |
| dc.subject | Genotypes |
| dc.title | Sweet potato root and biomass production with and without nitrogen fertilization |
| dc.type | Journal Article |
| dc.description.version | Peer Review |
| cg.contributor.affiliation | Tuskegee University |
| cg.contributor.affiliation | International Institute of Tropical Agriculture |
| cg.coverage.region | Acp |
| cg.coverage.region | Africa |
| cg.coverage.region | North America |
| cg.coverage.region | West Africa |
| cg.coverage.country | United States |
| cg.coverage.country | Nigeria |
| cg.isijournal | ISI Journal |
| cg.authorship.types | CGIAR and advanced research institute |
| cg.iitasubject | Handling, Transport, Storage And Protection Of Agricultural Products |
| cg.iitasubject | Food Security |
| cg.iitasubject | Genetic Improvement |
| cg.iitasubject | Plant Production |
| cg.accessibilitystatus | Limited Access |
| local.dspaceid | 102234 |
| cg.identifier.doi | https://doi.org/10.2134/agronj1990.00021962008200060019x |
