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When weather was favourable (warm, dry) for ovi-position by O. frit, the combined activity of predators and parasites was found to be inadequate to pr...
Read moreDescribes a study of seedling survival after simulated browsing (removal of the cotyledons of 3-day seedlings, or the leading shoots of seedlings 1-11...
Read moreTo estimate the effect of foliage at different positions in the profiles of kale crops on the rate of photosynthesis below it, crop LAI was varied by ...
Read moreIn competition experiments the suppression of Early Hybrid by F1 Selma was not eliminated by increasing nutrient supply levels up to several times the...
Read moreIn a study on the distribution of weed seeds in soil, seeds of lucerne and oilseed flax, which differ markedly in size, shape and seed-coat properties...
Read moreLoss of short-wave radiation by reflection from an irrigated maize crop grown for forage averaged 0.18 of the incident total short-wave radiation rece...
Read moreIn this paper, marine birds (38 species from Anseriformes (ducks and geese); Podicipediformes (grebes); Charadriiformes (gulls and auks); Suliformes (...
Read moreInvestigations were made of arthropods in a silty, poorly drained, gray soil under dry grassland, irrigated sugar cane, and under natural grassland re...
Read morePlant removal is used widely to restore systems encroached by woody plants and to improve ecosystem health and human well-being. However, the effects ...
Read moreTo estimate the effect of foliage at different positions in the profiles of kale crops on the rate of photosynthesis below it, crop LAI was varied by ...
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