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Desert locusts Schistocerca gregaria are threatening the food security of millions of people and devastating economies in eastern Africa and northern ...

Data for 19 years from a commercial coconut estate of 800 acres have been used to derive a regression equation relating yield in a particular crop yea...

Cattle were removed from the Isle of Rhum, Scotland, in 1957. Cattle were reintroduced into one area of the island in 1970 and grazed on areas occupie...

Measurements of web cover, aphid availability and aphid capture were made in fields of winter wheat in West Sussex and East Anglia, England, in 1981 a...

Primary production of a grassland in Nairobi National Park was estimated at harvest and by mortality estimates of the 3 most abundant grass spp. (Them...

Reflection of short-wave radiation by irrigated cotton in the Sudan Gezira was measured every 0.5 h in the daytime during Oct.-Dec. 1965, the major pa...

Widespread pollinator and bumblebee decline has been documented across Europe and North America and much of this can be attributed to pressures from a...

When weather was favourable (warm, dry) for ovi-position by O. frit, the combined activity of predators and parasites was found to be inadequate to pr...

A study of net photosynthesis, respiration, and stomatal and mesophyll resistance of 3- to 4-year-old Sitka Spruce seedlings, grown in a greenhouse, i...