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Frequencies of 207 weed species were recorded in 466 fields of 19 different crops in Denmark. The data were subjected to cluster and factor analyses, ...
Read moreBy means of factor analysis of concentrations of Cu and Zn in soil and of Cu, Zn, Fe and Mn in vegetation, the relationships between biogeochemistry, ...
Read moreThe ecological survey work was designed to monitor and assess the mudflats and sandflats not covered by seawater at low tide (intertidal mudflats and ...
Read moreIn Africa, women play an important role in food production, both paid and unpaid, and use of natural resources, while also serving as key figures in c...
Read moreAn understanding of how farming practices in adjacent fields and the dimensions of the hedge and other boundary components affect birds is essential f...
Read moreDesert locusts Schistocerca gregaria are threatening the food security of millions of people and devastating economies in eastern Africa and northern ...
Read moreDescribes studies in a stand of P. sitchensis planted in 1947 in Northumberland, UK and showing early signs of windthrow when studies began in 1970. S...
Read moreDesigning agroecological cropping systems, which have enhanced biodiversity and that improve agroecosystem services, is recognized as the most likely ...
Read moreHabitat restoration is increasingly undertaken in degraded streams and rivers to help improve biodiversity and ecosystem functioning. Follow-up assess...
Read moreSpring cereals (oats and barley) were grown during 1984-86 on abandoned cut-over peatland sites with different amounts of vegetation in central Finlan...
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