Listar Agronomía Costarricense 37(2) por título
Mostrando ítems 8-11 de 11
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Kerosene biodegradation in the grasses’ rizosphere under greenhouse conditions
(2013-12-11)Kerosene affects in a negative way the soil biological activity, also the growth and development of the plant. To examine the aforesaid, this contaminant was evaluated in oats plants (Avena sativa), barley (Hordeum vulgare), ... -
Prevalence and risk factors related with clinical and subclinical ketosis type I and II in a Jersey cow herd in Costa Rica
(2013-12-11)The aim of this study was to analyze the prevalence and grade of ketosis type I and II, and to examine risk factors related with this metabolic disease, in a 203 cows Jersey herd in Oreamuno, Cartago, Costa Rica (9° 55' ... -
Producción de biomasa y costos de producción de pastos Estrella Africana (Cynodon nlemfuensis), Kikuyo (Kikuyuocloa clandestina) y Ryegrass Perenne (Lolium perenne) en lecherías de Costa Rica
(2013-12-11)Se evaluó la producción de biomasa, los costos de producción y el costo del kilogramo de materia seca en los pastos kikuyo (Kikuyuocloa clandestina), ryegrass perenne (Lolium perenne) y estrella africana (Cynodon nlemfuensis), ... -
The effect of quality of food source on macadamia nut damage by Gymnandrosoma aurantianum (Lepidoptera: Tortricidae)
(2013-12-11)The effect of nitrogen content, the secondary compounds (tannin and proanthocyanidin) content, the dry matter content of 4 clones, and the different developmental stages of macadamia nuts, on the abundance of Gymnandrosoma ...