Afield trial was conducted in the 1991 wet season on the Research Farm of the Institute for Agricultural Research, Samaru, Zaria (11° 11'N, 7 38'E, 658m above mean sea - level) located in the northern Guinea savanna ecological zone of Nigeria . The objec iv e was to determine the effects of nitrogen and phosphorus on the productivity of maize and ... Continue Reading
IBANGA, INIOBONG JIMMY. The Physical, Chemical, and Mineralogical Properties of Laterite Samples Formed in Various Environments. (Under the direction of STANLEY W. BUOL). Samples of l a t e r i t e were obtained from Australia, Bolivia, B r a z i l, Nigeria, Thailand, and the U. S. A. The l a t e r i t e materials were found to have a yery wide ra... Continue Reading
Two experiments were carried out to determine the nutritive value of sorghum, millet, cassava and sweet potato with or without enzyme supplementation in broiler chickens production. The growth performance, nutrient digestibility, heamatological parameters and characteristics of broiler chickens were evaluated. Continue Reading
This study was conducted to evaluate egg production curves of Shikabrown® parents, using mathematical models. A total of 200 birds: 100from each of the two strains of Shikabrown® parents (sire and dam) lines at the Breeding Unit of Poultry Research Programme, National Animal Production Research Institute (NAPRI) were used for the study. The birds... Continue Reading
ABSTRACT Field experiments were conducted in 2014/2015 and 2015/2016 dry seasons at the Research Farm of the Institute for Agricultural Research, Samaru and Kadawa to study the response wheat varieties to sowing method and fertilizer treatment. T Continue Reading
The study assessed the response of ginger farmers to extension service delivery in Kaduna State. One hundred and fifty five respondents were randomly selected from Kachia and Jaba Local Governments (LGAs) for the study. Descriptive statistics, t-test and multiple regression were used to analyse the data. Majority (97%) of the respondents were liter... Continue Reading
Report of damage due to stem roton cowpea in some parts of Kaduna and Katsina States calls for urgent attention in finding possible ways of managing the disease.Knowing the status of the disease will help in employing necessary management strategy as it is a prerequisite to any pest management decision. Continue Reading
The study examined the effects of feeding level and rearing method on sexual development in Yankasa sheep. Seventy-two animals with mean age and body weight of 145.3 +17.7 days and 10.1+2.6 kg respectively were used for the 4 months investigation. Animals were randomised in a 3x3 factorial design with feeding rate at 3 levels (low, medium and high)... Continue Reading
The study analyzed the spatial and temporal price efficiency of food grain markets in three states of North West Nigeria. The study was carried out in Kano, Kaduna and Katsina states. The study used both primary and secondary data. Continue Reading
An experiment was conducted at the National Horticultural Research Institute Farm Bagauda, Kadawa (11o39'N,8°02'E) in the Northern Guinea Savanna Ecological zone during 1992/93 dry season to determine the effect of varying nitrogen levels and intra-row spacing on the growth and yield of water melon (Citrullus lunatus Thumb.) under irrigation. Tre... Continue Reading
Field and green house trials were conducted to study the effects of fertilizers and herbicides on the reaction of cowpea varieties to Alectra voqelii (Benth.) at Samaru in the northern Guinea savanna ecological zone of Nigeria in 1991 and 1992 wet seasons and the reaction of cowpea varieties to Alectra seed concentration in the green house in 1992 ... Continue Reading
This study compares economics of Maize production with DTMA and NDTM Maize variety. The study used farm level data to estimate Profitability, efficiency, yield gap, varietal gap, determinants of profitability and constraints to maize production in seven local government of Gombe state. Continue Reading
The first study was carried out to determine the effects of application of varied levels of fertilizer (NPK 15-15-15) and harvest time on yield and chemical composition of Panicum maximum cv. Mombasa in Shika, Northern Guinea Savannah of Nigeria.The experiment was laid out in 4x3 factorial arrangements in Randomised Complete Block Design (RCBD) wi... Continue Reading
Five growth studies and an ME study were performed to study the effects of replacing 0-80% of the maize fraction in broiler chicken diets with sorghum beer residue (SBR), The ME of the residue was determined to he 1764kcal/kg. The results of feeding trials obtained indicated that weight gains, feed efficiency were depressed with increasing levels ... Continue Reading
Four experiments were carried out to evaluate the effect of Garlic supplementation in broiler chickens. In the first experiments 0-4 weeks, a total of 270 day old broiler chicks were used for the experiment which had six treatments and three replicates, each replicate was allotted 15 birds in a completely randomized design. Six broiler starter diet... Continue Reading