搜索结果: 1-4 共查到“作物学 Sudan Savanna”相关记录4条 . 查询时间(0.046 秒)
Influence of phosphorus on the performance of cowpea (Vigna unguiculata (L) Walp.) varieties in the Sudan savanna of Nigeria
Cowpea [Vigna Unguiculata (L.) Walp.] Phosphorus Sudan Savanna Nigeria
2013/3/4
Savanna regions of Nigeria are deficient in nitrogen and phosphorus, which retard the growth and yield of crops. Therefore, a study was conducted in the wet season of 2006 at the Dry Land Teaching and...
Response of roselle (Hibiscus sabdariffa L.) to rates of inorganic and farmyard fertilizers in the Sudan savanna ecological zone of Nigeria
Roselle manure nitrogen fertilizer calyx yield pods/plant and seeds/pod
2011/1/12
Field trials conducted in two rainy seasons at the Usmanu Danfodiyu University, Sokoto, Nigeria, were used to investigate the response of Roselle to organic manure (2.5, 5.0 and 7.5 tons/ha cow dung) ...
On-farm evaluation of improved cowpea-cereals cropping systems for crop-livestock farmers: Cereals-cowpea systems in Sudan savanna zone of Nigeria
Cowpea-cereal systems farmer participatory trial
2011/1/12
From 2003 to 2005, a farmer’s participatory evaluation of improved cowpea-cereal cropping systems in the Sudan savanna zone of Nigeria involving over 1600 farmers was conducted. The system involved gr...
Sesame (Sesamum indicum L.) weed infestation, yield and yield components as influenced by sowing method and seed rate in a Sudan Savanna agro-ecology of Nigeria
Sesame production sowing methods seed rates weed control seed yield
2009/3/4
An experiment on the influence of seed rate and sowing method on sesame (Sesamum indicum L.) weed infestation, yield and yield components was conducted at Maiduguri, Nigeria, during the 2001 and 200...