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In the above area it is common practice to grow sorghum and other crops under trees of A. albida, which is leafless during the rainy season. Crop yiel...

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 ...

Effects of disease and environment on competitive interactions among wheat genotypes were investigated. Wheat genotypes (5) were grown in up to 6 diff...

cf. F.A. 32 Nos. 4094, 6036.] Seeds were sown on (a) undisturbed forest sites, (b) sites cleaned by pulling out the weeds, and (c) hoed forest sites, ...

Restoration of depressional wetlands in mid-continental North America typically involves reflooding formerly drained basins. There have been several t...

Grazed pasture managers are increasingly being asked to enhance productivity while simultaneously reducing environmental impacts. Using plant traits t...

A 15-year fire history (1980-94) was assembled for Kakadu National Park, a 20 000 km² World Heritage property in monsoonal northern Australia, based o...

The management of crops outside the regular cropping calendar can improve profits when supply is low and prices are high, but we do not know how induc...

Seed of 4 ecotypes of Digitaria milanjiana with different dormancy characteristics related to climatic origin were exposed at the soil surface during ...

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...