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In general, bees collecting nectar only, as well as bees collecting nectar and pollen, preferred male-fertile to male-sterile cultivars of onion plant...
Read moreThe effects of the presence of a crop on weed growth were compared using Avena fatua, A. ludoviciana and A. sativa as weed indicator species and A. sa...
Read moreSeedlings of Matricaria matricarioides, M. recutita and Tripleurospermum maritimum ssp. inodorum which emerged in the field from January to June took ...
Read moreSoil disturbance (vehicle tracks, carcass sites, etc.) did not generally cause serious erosion and thermokarst arising from increased soil heat flux. ...
Read moreThis apparatus utilized an array of rods to remove vegetation; larvae were then separated from the soil/stones fraction by flotation in saturated brin...
Read moreIn Zambia the dry season is from April to November. Miombo woodland is of marginal value for general agricultural use. In August and again in October ...
Read moreIn trials in flowing solution culture, the growth rate of Anthoxanthum odoratum was similar over the entire range of K concentrations tested (0.1-3.3 ...
Read moreAn empirical model used to standardize data on root investigations was P = 100 (1-e-fx) where P was the percentage of roots in x cm of soil, and f was...
Read moreA. odoratum populations from 8 plots of a long-term experiment given N, P, NP or no fertilizer, with or without lime, were grown in sand culture at 5 ...
Read morePerennial ryegrass cv. S23 was grown on 13 shales in a glasshouse and at 3 field sites with 0, 125 or 625 kg 17-17-17 (NPK) fertilizer/ha (field) or 6...
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