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Virulence surveys of wheat leaf rust in the Czech Republic and resistance genes in registered cultivars
Czech Republic leaf rust pathotypes Lr genes resistance wheat
2014/9/22
The technical report presents a summary of results obtained in the leaf rust race surveys carried out in Czechoslovakia/Czech Republic in the years 1966–2001. The physiologic races were determined usi...
New methods for assessing Marbled Murrelet nesting habitat: Air photo interpretation and low-level aerial surveys
air photo interpretation Brachyramphus marmoratus habitat mapping habitat suitability
2010/8/31
This extension note summarizes the application of two new methods that were developed to assess the quality of forest habit that Marbled Murrelets (Brachyramphus marmoratus) use for nesting in British...
China's Grain Supply-Some surveys and prospective comments
Grain Supply-Some surveys prospective comments
2009/7/16
China's Grain Supply-Some surveys and prospective comments.
Predicting the soil water retention curve from readily-a vail able data obtained during soil surveys
model pedotransfer functions van Genuchten equation soil water retention
2008/11/13
Averages and coefficients of variation of the parameters of the van Genuchten equation were estimated, in relation to a large dataset, for soil particle-size classes differentiated according to the pr...