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The following is based largely on the author's summary of this account of investigations in Kenya. The percentage of barley shoots attacked by larvae ...

The following is based largely on the authors' summary. Some of the factors that contribute to changes in the biting rate of L. becquaerti with time (...

The following is based partly on the authors' summary. As adhesive traps have been ineffective in providing estimates of populations of biting flies i...

As biting lice (Mallophaga) pass their whole life on the host, they have little opportunity for dispersal, except during direct contact between host i...

The growth rates of Festuca pratensis (S215), Lolium perenne and their triploid hybrid, F. loliaceum, were compared. The plants were grown singly and ...

Festuca pratensis and Lolium perenne developed their roots less rapidly when grown with their triploid hybrid than when grown alone or together. The e...

In experiments at Kabanyolo, Uganda, in which radiation incomes were measured and growth analysis was employed, seedlings of both robusta and arabica ...

After a mature apple orchard had been removed by grubbing the trees various experimental treatments (different systems of manuring and ploughing at tw...

Construction and performance details are given.

As the crop developed and the sun's declination changed, mean values per day of the reflection coefficient increased from 0.15-0.23. After rain or irr...