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Four phases are recognized in the history of nature conservation in China; in the first phase, there was a gradual loss of biotic diversity and reduct...
Read moreThe effects of various environmental factors on the ditch bank vegetation in peat areas in the western Netherlands were studied to find the best manag...
Read moreThe use of sewage sludge, horse dung, NPK-fertilizer, and NPK-fertilizer plus bark to improve yields of grasses and clover sown on iron-mine tailings ...
Read moreGraphs and histograms are given showing changes in the stomatal resistance of Vicia faba leaves during the day as related to leaf insertion and date o...
Read moreMany invasive species are introduced by trade, and there is a need for studies of pre-emptive measures to lower the risk of introductions, as post-est...
Read moreFestuca pratensis and Lolium perenne developed their roots less rapidly when grown with their triploid hybrid than when grown alone or together. The e...
Read moreA study was made in the Northern Province, during Aug. and Oct. 1968, of the suitability of miombo woodland (Brachystegia/Julbernardia) for cattle rea...
Read moreLinseed and lucerne seeds were sown broadcast over a 100 m2 field which was then ploughed twice at right angles to 20 cm and harrowed to a fine tilth....
Read moreAn individual-based simulation model was developed to investigate the long-term dynamics of slug populations using the field slug Deroceras reticulatu...
Read moreChloris gayana cv. Katambora, Fords Katambora, Kyushu 1, Kyushu 2 and Kyushu 3 (diploid cultivars) and Boma and Callide (tetraploid) were sown at 350,...
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