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This paper presents the results of a study conducted to determine the physical-water attributes in the surface layer of the soil as quality indicators...Read more
The testing procedure currently used for assessing Ustilago scitaminea resistance in sugarcane varieties is empirical and leads to anomalies. Models f...Read more
The following is based on the authors summary of this account of investigations on the changes in the soil arthropod fauna of an area of dry grassland...Read more
The identification of dispersal mechanisms which facilitate particular biological invasions is paramount for the successful management of invasive spe...Read more
The maximum rate of apparent photosynthesis in recently expanded leaves of unshaded Amaranthus edulis plants at 310 ppm. CO2 and 7500 f.c. was 55 ± 5 ...Read more
Investigations were made of arthropods in a silty, poorly drained, gray soil under dry grassland, irrigated sugar cane, and under natural grassland re...Read more
Increasing crop configurational heterogeneity-smaller crop fields with more field margins-has been repeatedly found to support farmland biodiversity. ...Read more
Biodiversity underpins all food production and strengthens agricultural resilience to crop failure. However, agricultural expansion is the primary dri...Read more
Declines in raptor populations often result from the transformation of natural habitats to anthropogenic land uses, but the rate of population change ...Read more
Predicted increases in atmospheric concentrations of CO2 may alter the susceptibility of many plants to insect herbivores due to changes in plant nutr...Read more