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DDT, dieldrin and heptachlor were applied to separate plots in a hay field at 0.6, 2.2 or 9.0 kg/ha. For 11 yr thereafter, soil and earthworms were an...
Read moreLeaf extension rates of perennial ryegrass, Italian ryegrass, tall fescue and timothy were measured in the field using artificial soil heating as a tr...
Read moreTrees of two Scots pine phenotypes (poor and fertile soils) and lodgepole pine (intermediate) were exposed side by side in a field study. Biomass cons...
Read moreEstimates of water used by irrigated cotton crops, obtained by micrometeorological methods, soil water sampling and lysimetry, were related to Penman'...
Read moreBarley and perennial ryegrass were grown at various densities in boxes and Italian ryegrass and timothy at various densities in the field. The initial...
Read moreDetailed measurements of the growth and development of a crop of barley cv. Proctor were used to study the processes determining ear number/unit field...
Read moreSwards of perennial ryegrass and white clover were grown in controlled-environment cabinets in soil that was allowed to dry. The evaporation rate duri...
Read morePlacement of fabric of appropriate mesh-size on or under the soil surface was examined as a possible means of constraining seedling growth and root pe...
Read moreThis study was conducted by interviewing 26 wildlife rangers in the Zambezi Valley, Zimbabwe, to understand their attitudes towards patrol-based data ...
Read moreThis article describes the current regulations and questions on how best to regulate the capture and handling of wild animals by citizen scientists in...
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