January 2012
Effect of forced-air artificial intermittent drying on cocoa beans in South-Western Nigeria
Drying experiments were carried out to investigate the effect of forced-air, artificial intermittent drying system on quality of fermented cocoa beans harvested in south-western Nigeria. The beans were dried naturally by using traditional sun drying method and artificially, by hot air inside an oven at air temperatures of 35, 40, 45, 50 and 55°C respectively. Fermented beans were exposed to 9 h of drying and 15 h of...
January 2012
Effects of potassium fertilization on population build up of rice stem borers (lepidopteron pests) and rice (Oryza sativa L.) yield
The effects of potassium (K) application rates on population build up of rice stem borers and rice yield were evaluated using cultivar “Shua-92”. The treatments were consisted of K applications at 40, 50 and 60 kg/ha at the top dressing, andno K fertilizer application along with normal doses of nitrogen and phosphorous.The results showed that compared with the untreated...
January 2012
Management of rice stem borers (Lepidoptera: Pyralidae) through host plant resistance in early, medium and late plantings of rice (Oryza sativa L.)
This study was conducted to determine the effects of host plant resistance in early, medium and late sown varieties of rice [2 non aromatic IR8 (P) and Sharshar, and 2 aromatic Basmati-370 (P) and Mehak] due to the incidence of rice stem borers. Treatments comprised the crop sown on 3 different dates at the fortnightly intervals starting from the last week of June till the end of July...
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