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Competition between the 2 strains was studied in pot experiments. It was found that F1 Selma (FS) suppressed Early Hybrid (EH) in mixed culture, altho...
Read moreAquatic plant communities are important components of river ecosystems, providing food sources and functional habitats through the provision of refuge...
Read moreA polyacrylamide and a polyvinylalcohol added at two concentrations (0.2% and 0.5% v/v) to soil for transplanted seedlings receiving a range of irriga...
Read moreA method of estimating root efficiency or specific absorption rate, A, in terms of the amount of mineral nutrient taken up per unit root per unit time...
Read moreThe uptake patterns of cadmium and copper by Aphis fabae from its food plant, Vicia faba, grown under control and elevated metal treatments, were comp...
Read moreThe shoots and roots of a barley crop were sampled periodically from 46 days after sowing up to the ripe stage (130 days after sowing). Root weights w...
Read moreThe geology, topography, soils and climate of the area utilized by lechwe (Kobus leche kafuensis) at Lochinvar National Park, Zambia, are described. T...
Read moreThe production of current season growth by Coleogyne ramosissima was determined by length measurement in Sept. when the twigs were dormant. Percentage...
Read moreOn each of two sites in western Texas, 240 Juniperus pinchotii plants were harvested. The competitive influence of herbs and shrubs associated with ea...
Read moreBumblebees are important pollinators for a wide range of crops and wild plants. Performance of their colonies depends on pollen and nectar as food res...
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