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Preventive control of desert locusts is based on monitoring recession areas to detect outbreaks. Remote sensing has been increasingly used in the prev...Read more
Bioassay based on the uptake of 32P from 5 X 10-6 M phosphate solution during a 15 min period was tested on birch (Betula verrucosa Ehrh.) and sycamor...Read more
The upward flux of CO2 at the soil surface was calculated from the weight increase of soda lime granules exposed inside a glass tank covering 400 cm2 ...Read more
Six Swedish beech forest sites, representing the range of pH for soils which support Galium odoratum and Stellaria nemorum, were sampled during 1 year...Read more
Water absorption and transpiration were considered in relation to the gradients of water potential between the soil and leaves of ryegrass (Lolium per...Read more
An investigation of 49 unreclaimed coal strip-mines between 10 and 70-yr old revealed that definite soil horizons had not yet formed but that chemical...Read more
Soils in which 4 grasses, 8 broadleaved species and 2 ferns had been grown individually for 16 yr were examined for p-hydroxybenzoic, vanillic, p-coum...Read more
Downhill skiing, the machine-grading of slopes and the use of artificial snow induce major disturbances to the environment of alpine ski resorts. Our ...Read more
Soils under improved pastures of Giant Rhodes grass, of Beckeropsis uniseta and of a Panicum species, heavily fertilized and stocked, and soils under ...Read more