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In Germany, an interdisciplinary working group Ambrosia has been established in 2005. The group consists of experts in the fields of botany and ecolog...
Read moreA randomized block design experiment on succession at Aston Rowant, UK was recorded from 1969 to 1982. The treatments were annual grazing, and no graz...
Read moreOryzopsis holciformis (M.B.). Hack. (hairy ricegrass) was sown in loess soil in containers 60 cm deep at densities of between 160 and 3200 seedlings/m...
Read moreChanges in the floristic composition of ungrazed chalk grassland on Foxhole Heath, Breckland, between 1938 and 1971 were considered in relation to cha...
Read moreData are given on N, P, K, Ca and Mg content for pioneer, mature and degenerating Calluna vulgaris, young and old Vaccinium myrtillus, Nardus stricta,...
Read moreSeedling emergence patterns of triazine-susceptible and triazine-resistant Solanum nigrum plants were studied in the field at Wageningen, the Netherla...
Read moreSeasonal changes in the above-ground population of a temperate zone golf green were studied for 2 years by destructive sampling (coring and sorting). ...
Read moreThe distribution of N, P, K, Ca, Mg and Mn in a 175-year-old Abies amabilis ecosystem is described and estimates of transfers within the system are gi...
Read moreThe authors had earlier [see HbA 44, 3551] described a computer program in which plant growth-analysis quantities of the general form (1/Y)(dY/dX), Z/...
Read moreStudies were carried out in Ghana on the population dynamics of larvae of Characoma stictigrapta Hmps., a pest of the pods and leaves of cacao. Larvae...
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