Agriculture

Agriculture Research Papers/Topics

YIELD AND POST-HARVEST QUALITIES OF CUCUMBER AS INFLUENCED BY COMPANION PLANTING

ABSTRACT The popularity of cucumber has been on the increase over the years due to its nutritional and economic benefits. A field experiment was conducted at Teaching and Research Farm, Federal University Oye-Ekiti, (Longitude 708070N, latitude 504960E) to evaluate the influence of companion plants on the yield and post-harvest quality of cucumber. The hybrid cucumber seeds were bought from Agro-dealers in Akure. The companion crops which include sunflower, mint and marigold seedlings were ob...

Assessment of selection techniques in genotype X environment interaction in cowpea Vigna unguiculata (L.) walp

Ten genotypes of cowpea were grown in four environments comprising the early and late seasons of Ogbomoso and Abeokuta locations in 2005 and 2006. Joint linear regression analysis indicated the presence of Genotype x Environment interaction even though, a proportion was non-linear. The differences in the values of the regression coefficient and the correlation of grain yield revealed that the genotypes responded differently to the environments and that regression coefficient as a technique co...

Classification of genetic diversity and choice of parents for hybridization in cowpea Vigna unguiculata (L.) Walp for humid savanna ecology

Thirty-one accessions of cowpea of diverse eco-geographic origins were evaluated for genetic diversity using principal component analysis (PCA), single linkage cluster analysis (SLCA) and canonical techniques. The accessions were classified into six groups by PCA and SLCA while canonical technique identified five vector groups. There was no relationship between the clustering pattern and eco-geographic distribution. PCA and canonical techniques can be jointly used in multivariate analysis as ...

EFFECTS OF LEVEL OF POULTRY MANURE ON YIELD AND POST – HARVET QUALITY OF CELOSIA ORGENTIA

BSTRACT A field experiment was conducted at the Department of Agronomy, University of Ibadan to asses the effect of four levels of poultry manure on yield and post – harvest quality of celosia argentina. The levels of poultry manure used were 0, 10, 30 and 50t/ha. The growth and yield parameters measured were plant height, number of leaves, number of branches, fresh weight and total yield. The post harvest parameters were measured under three storage conditions i.e Ambient (25 – 270c) Eva...

EFFECTS OF SOIL AMENDMENTS ON POSTHARVEST QUALITY OKRA FRUITS

ABSTRACT In Nigeria farmers apply fertilizers arbitrarily without considering the resultant effect on soil and the postharvest quality of crops. This study was therefore designed to investigate the effects of NPK fertilizer 20:10:10 on the postharvest quality of okra fruit (Abelmoschus esculentus L. Moen). Okra seeds NHE-47 were sown in the field at the National Institute of Horticultural Research (NIHORT), Idi-Ishin, Ibadan, Nigeria at a spacing of 50 cm x 25 cm. The fertilizer NPK 20-10-10 ...

Rice Yield and Yield Components as Influenced by Phosphorus and Nitrogen Application Rates in the Moist Savanna of West Africa

Abstract: A two-year field experiment was conducted to evaluate the influence of nitrogen (0, 30, 60, and 120 kg N ha-1) and phosphorus (0, 30, and 60 kg P2O5 ha-1) application on grain yield and yield components of five New Rice for Africa (NERICA) cultivars, their parents, and a check on a degraded soil in the moist savanna of Nigeria. Nerica 14 recorded the highest grain yield of 1.3 mg ha-1compared to the other NERICA cultivars. It also produced significantly (P < 0.05) longer panicles (1...

EVALUATION OF POST HARVEST HANDLING OF PEPPER FRUIT (Capsicum frutescens) BY MARKETERS IN IBADAN METROPOLIS, OYO STATE, NIGERIA

ABSTRACT  The study examined post harvest handling methods of pepper fruit  and constrains faced by handlers. Multistage sampling technique was used to select respondents. Five markets were purposively selective in Ibadan, Oyo State. Namely Sasa, Bodija, Erunmu, Station and Odo-Ori where 20 respondents each were randomly selected. Structured questionnaire was used to obtain information from the respondents. Data were analysed using frequency distribution.  The Pepper fruit marketers mean a...

Upland rice based intercropping system among farmers in selected villages in Ogun State in South west of Nigeria

Rapid Rural Appraisals (RRA) were conducted among one hundred and fifty five farmers in rice growing areas of Obafemi/Owode and Ifo Local Government Areas of Ogun State in South-West of Nigeria to investigate farmers’ practices of growing rice in rice/cassava intercropping system in 2007. The farmers in these villages cultivated 2 to 4 farms with an average farm size of about 2 ha. Results from the RRA showed that the farmers have been growing rice for over 21 years. About 31% of the farmer...

EFFECTS OF SOIL AMENDMENTS ON GROWTH AND YIELD OF PEPPER (Capsicum frutescens L.) FRUITS

 ABSTRACT        Research was conducted at Federal College of Agriculture, Akure between March to August 2010  and 2011 to evaluate the effects of organic and inorganic fertilizers on growth and yield of pepper fruits. Pepper fruit (Capsicum frutescens) Long Cayenne was procured at the seed section of department of Agronomy University of Ibadan and raised for six weeks in the green house before transplanting to the field at a spacing of 70 cm x 50 cm inter and intra row spacing respect...

Effects of organic and inorganic soil amendments on growth performance of plantain (Musa paradisiaca L.)

A field experiment was conducted to investigate the comparative effects of organic and inorganic soil amendments on growth and performance of plantain (Musa paradisiaca). The experiment was established in March 2011 and repeated in February 2012. The treatments consisted of nine soil amendments (NPK sole, Jatropha sole, palm kernel cake (PKC) residue sole, Sunshine organo-mineral sole, NPK + Jatropha husk 50:50, Sunshine organo-mineral + Jatropha husk 50:50, PKC residue + NPK 50:50, PKC resid...

Effect of Plant Extracts on Some Fungal Pathogens Associated with Groundnut Seeds Grown in Southeastern Nigeria

ABSTRACT Groundnut samples collected from commercial markets in South–Eastern Nigerian were examined for seed borne fungi organisms and their level of losses were quantified. Results obtained showed that only about 29% of groundnut seeds were without damage. This high rate of damage is a major factor in low viability of groundnut seeds in South – Eastern Nigeria. From the survey of groundnut seed cultivars, two cultivars: Spanish 205 (nwaerente) and Samnut 21 (Ngwongworo) were observe...

Analysis of Value Chain in Rice Production Systems in Ebonyi State, Nigeria

Abstract This study analyzed the value chain in rice production systems in Ebonyi State, Nigeria. Purposive and random sampling techniques were used in the selection of respondents for the study. The Rice value chain actors comprised rice farmers, processors and traders. Data for the study were obtained from primary sources using questionnaire. Data collected were analyzed using descriptive statistics, Functional analysis, Value Chain Map, Costs and Returns analysis, Linear Programming tec...

Analysis of the Profitability of Maize Products in Nigeria

ABSTRACT This study analyzes the profitability of maize products in Nigeria. It determines the socio-economic characteristics and processing activities of the processors; it identifies the various processed products from maize and then estimates costs and associated returns to maize processing. It also identifies constraints to maize processing; analyzed the factors that influence profit and investigate the specific effects of identified constraints on the processor’s growth potential of...

Optimum Cocoyam Densities, Time of Introduction and Poultry Manure Rates for Plantain - Cocoyam Mixture in Southeastern Nigeria

ABSTRACT This research was carried out to determine the optimum cocoyam density, time of cocoyam introduction and poultry manure rates for sustainable plantain/cocoyam mixture. The experiment was a 3x3x2 factorial arrangement fitted into a Randomized Complete Block Design (RCBD) with 18 treatment combinations replicated 3 times to give 54 experimental plots. The experiment was conducted in two phases; the first phase involved plantain and cocoyam planted the same time in the month of ...

Some Phenotypic Characteristics of the Fulani Ecotype Chicken in three Selected Local Government Areas of Osun State, Nigeria

ABSTRACT Improvement of the domestic chicken has dominated efforts of indigenous breeders in recent times. Three hundred and fifty seven (357) Fulani ecotype chickens in Osun State were surveyed and assessed for their phenotypic and productive characteristics. Plumage pattern, thigh and shank colour, mature weight (kg), comb size, wattle size, breast length, breast width, leg length (all in cm); egg weight (gm) and clutch size were examined. Plumage pattern was more heterogeneous iI1 hens, w...


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