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Modeling and identification of fertility maps using artificial neural networks
(2000-12-01)
The application of agricultural fertilizers using variable rates along the field can be made through fertility maps previously elaborated or through real-time sensors. In most of the cases applies maps previously elaborated. ...
Effect of growing media and fertilizers on the early growth of Aechmea fasciata Bak
(International Society Horticultural Science, 2000-01-01)
Mixtures of tree fern fiber, coconut bark, pine bark, sugarcane bagasse, broken pieces of clay pots, vermiculite and humus were compared as substrates for Aechmea fasciata cultivation. These substrates were combined with ...
Effects of hand weeding strip and nitrogen fertilizer on corn plants
(2005-01-20)
The objective of the present research was to evaluate effects of different strip weed control associated with nitrogen fertilizer on corn applied after planting. The experiment was set and conducted in Botucatu, São Paulo ...
Physicochemical effects of long-term deposition of sewage sludge on Brazilian Oxisol
(Wit Press, 2015-01-01)
The aim of this work was to evaluate the effect of doses of sewage sludge (SS) when applied for sixteen consecutive years to the Brazilian Oxisols Typic Haplothox (sandy) and Typic Eutrorthox (clayey), on the chemical ...
Influence of organic and chemical fertilization on the yield of flowers, contents and composition of essential oil of (Chamomilla recutita (L.) Rauschert)
(1999-12-01)
A field experiment was conducted with chamomile (Chamomilla recutita [L.] Rauschert), in an area of the Olericulture and Medicinal Plants of the Horticulture Department at UNESP - Jaboticabal Campus, with the aim to evaluate ...
Heat loss of fertile eggs on the road between the hatchery and hatcher
(2016-01-01)
The microenvironment around the fertile egg on incubation process can influence the development of the embryo and reflect on the hatching rate in the post-hatching performance, and also the quality of the hatched chicks. ...