搜索结果: 1-3 共查到“农学 Sierra Leone”相关记录3条 . 查询时间(0.156 秒)
First report of Pseudocercospora angolensis causing leaf and fruit spot of Citrus in Sierra Leone
Phaeoramularia angolensis Cercospora angolensis cercosporiose
2014/11/25
In 2006, citrus fruit and leaves affected by dark brown lesions were noticed in orchards around Makeni in central Sierra Leone . The problem was considered widespread in the area by officers of the lo...
The influence of price on rice production in Sierra Leone
Sierra Leone Food Security Rice Production Econometric Model Specification
2013/2/28
Rice is the main staple food of the vast majority of Sierra Leoneans, eaten on a daily basis by almost every household in the country. Rice is the most important food crop widely grown by farmers acro...
An assessment of the soil-conditioning capacity of gums exuded by some trees in sierra leone: I. hydraulic conductivity measurements
soil-conditioning capacity tree gums saturated hydraulic conductivity
2008/11/26
PVA. The results are explained in terms of factors known to influence soil-polymer interactions.