Effect of Seed Distribution and Population on Maize (Zea mays L.) Grain Yield

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dc.contributor.authorChim, Bee Khim
dc.contributor.authorOmara, Peter
dc.contributor.authorMacnack, Natasha
dc.contributor.authorMullock, Jeremiah
dc.contributor.authorDhital, Sulochana
dc.contributor.authorRaun, William
dc.date.accessioned2022-12-12T17:41:28Z
dc.date.available2022-12-12T17:41:28Z
dc.date.issued2014
dc.description.abstractMaize planting is normally accomplished by hand in the developing world where two or more seeds are placed per hill with a heterogeneous plant spacing and density. To understand the interaction between seed distribution and distance between hills, experiments were established in 2012 and 2013 at Lake Carl Blackwell (LCB) and EfawAgronomy Research Stations, near Stillwater, OK. A randomized complete block design was used with three replications and 9 treatments and a factorial treatment structure of 1, 2, and 3 seeds per hill using interrow spacing of 0.16, 0.32, and 0.48m. Data for normalized difference vegetation index (NDVI), intercepted photosynthetically active radiation (IPAR), grain yield, and grain N uptake were collected. Results showed that, on average, NDVI and IPAR increased with number of seeds per hill and decreased with increasing plant spacing. In three of four site-years, planting 1 or 2 seeds per hill, 0.16m apart, increased grain yield and N uptake. Over sites, planting 1 seed, every 0.16m, increased yields by an average of 1.15Mgha−1 (range: 0.33 to 2.46Mg ha−1) when compared to the farmer practice of placing 2 to 3 seeds per hill, every 0.48m.en_US
dc.identifier.citationChim, B. K., Omara, P., Macnack, N., Mullock, J., Dhital, S., & Raun, W. (2012). Effect of seed distribution and population on maize (Zea mays L.) grain yield. International Journal of Agronomy, 2014. http://dx.doi.org/10.1155/2014/125258en_US
dc.identifier.urihttp://dx.doi.org/10.1155/2014/125258
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/6209
dc.language.isoenen_US
dc.publisherInternational Journal of Agronomyen_US
dc.subjectSeed Distributionen_US
dc.subjectPopulationen_US
dc.subjectMaize (Zea mays L.) Grain Yielden_US
dc.titleEffect of Seed Distribution and Population on Maize (Zea mays L.) Grain Yielden_US
dc.typeArticleen_US
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