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In mesic savannas worldwide, trees experience frequent fires, almost all set by humans. Management fires are set to reduce or enhance tree cover. Succ...Read more
A variety indigenous to northern Nigeria yields best in its own locality, the time of flowering coinciding with the end of the rainy season. If the va...Read more
In a Swedish experiment, 18-yr-old Scots pine were defoliated by hand in early and late summer, simulating different degrees of insect grazing on the ...Read more
Combining several crop species and associated agricultural practices in a crop sequence has the potential to control weed abundance while promoting we...Read more
Seed of 4 ecotypes of Digitaria milanjiana with different dormancy characteristics related to climatic origin were exposed at the soil surface during ...Read more
Indigenous sorghum varieties in N. Nigeria yielded best in their own localities. All local varieties of a locality tended to flower at the same time e...Read more
The demography of the annual grass weed A. sterilis subsp. ludoviciana was studied during 3 consecutive years on populations growing in winter wheat c...Read more
In a field trial near Forbes, central-west New South Wales, Trifolium balansae cv. Paradana and T. resupinatum lines SA 12240 and SA 14433 were sown a...Read more
Seed yields of cowpea (Vigna unguiculata) were assessed in each of two annual growing seasons over the 4-year period 1973 to 1976 in experimental plot...Read more
Multiple species are often exposed to a common hunting season, but harvest and population objectives may not be fully achieved if harvest potential va...Read more