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Sexual reproduction and natural seed production in Eichhornia crassipes was examined in a total of 19 populations from 2 tropical regions (Lower Amazo...
Read more2-37 year old plots of heather on peat podzols were burned or cut either in the autumn or in the spring. Regeneration was most satisfactory from 6-10 ...
Read more5 forage maize cv. were grown at a site in Stewiacke East, Nova Scotia. DM production rates and environmental conditions were measured during June-Sep...
Read moreFive lines of tetraploid wheat from 2 contrasting wild habitats in Israel, and 2 hexaploid wheat (T. aestivum vulgare) cv., 1 of spring habit and the ...
Read moreOver 5 growing seasons, the annual cycle of water movement in semi-mature stands of Corsican pine and Douglas fir growing on deep porous soils of pH 4...
Read moreClimate change has emerged as a key issue facing agriculture and water resources in the US. Long-term (1968-2012) temperature, precipitation and strea...
Read moreHoneybee colony weight (C) was related to the weight of honey stored (H), but this relationship was not linear because of the increased population of ...
Read moreA computer model was developed simulating the mating behaviour and population increase of adults of Spodoptera littoralis (Boisd.) in an isolated grou...
Read moreDM production of swards of Bouteloua gracilis was modelled using measured effects of soil water potential, temperature, visible irradiance and phenolo...
Read moreThe following is substantially the authors' summary. To provide means of predicting with precision the duration of the puparial stage of Glossina mors...
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