Sokoine University of Agriculture

Response of rice to nitrogen and phosphorus applied on typical soils of Dakawa Irrigation Scheme, Morogoro, Tanzania

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dc.contributor.author Mbaga, H. R.
dc.contributor.author Mrema, J. P.
dc.contributor.author Msanya, B. M.
dc.date.accessioned 2017-07-13T11:18:08Z
dc.date.available 2017-07-13T11:18:08Z
dc.date.issued 2017
dc.identifier.issn 2454-1362
dc.identifier.uri https://www.suaire.sua.ac.tz/handle/123456789/1764
dc.description Imperial Journal of Interdisciplinary Research (IJIR), 2017; 3 (6) en_US
dc.description.abstract A screen-house pot experiment was conducted at Sokoine University of Agriculture, Morogoro, Tanzania to assess response of rice variety TXD 306 growth parameters to nitrogen and phosphorus applied to the dominant soil type at Dakawa Irrigation Scheme (DIS) Morogoro, Tanzania. The study was prompted by low rice yields and the need to find out the soil constraints to high rice production at the scheme. Based on physical, chemical and biological properties of composite soil sample, the soil had low total N, OC, exchangeable Ca and Mg, hence rated as marginally to moderately suitable for rice production. N and P rates adopted were 0, 50,100, 150, 200 kg N ha-1 and 0, 40, 80, 120, 160 kg P ha-1, respectively. Sources of N and P were (NH4)2SO4 and Ca(H2PO4)2, respectively applied in a 52 factorial in CRBD. Number of tillers increased significantly (p < 0.05) with N and P levels from P0N0 kg ha-1 to P80N200 kg ha-1. Biomass weight (g) increased significantly (p<0.05) from 10.99 g pot-1 to 93.04 g pot-1 at P0N0 kg ha-1 and P160N200 kg ha-1, respectively. Grain yield (g) increased significantly (p<0.05) from 2.24 g pot-1 to 33.06 g pot-1 for the absolute control and P160N200 kg ha-1, respectively. Thus, for optimum grain yield of TXD 306 on Cambisols at DIS, 80 kg P ha-1 should be applied as basal and N in two splits i.e. 100 kg N ha-1 close to tillering and 100 kg N ha-1 at panicle initiation. For appropriate N and P recommendations, field studies should be conducted to take onboard integrated soil fertility management strategies, principles and practices in rice cultivation based on soil types to allow extrapolation of the results to other similar soils and areas. en_US
dc.language.iso en en_US
dc.publisher Imperial Journal of Interdisciplinary Research (IJIR) en_US
dc.subject Soil fertility evaluation en_US
dc.subject Cambisols en_US
dc.subject Rice variety TXD 306 en_US
dc.subject Nitrogen en_US
dc.subject Phosphorus en_US
dc.subject Dakawa en_US
dc.subject Tanzania en_US
dc.title Response of rice to nitrogen and phosphorus applied on typical soils of Dakawa Irrigation Scheme, Morogoro, Tanzania en_US
dc.type Article en_US
dc.url http://www.onlinejournal.in en_US


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