Browsing Agronomía Costarricense 38(1) by Title
Now showing items 13-16 of 16
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Root development in F1 coffe hybrids obtained by tissue culture
(2014-07-04)F1 Hybrid seedlings, obtained by indirect somatic embryogenesis, were acclimatizated under greenhouse conditions, separated in 2 types of container: biodegradable mesh with compressed turf (Jiffy®) and the other on ... -
Soil enzyme activity -Dehidrogenase, ß-glucosidase, Phosphatase and Urease- under different crops
(2014-07-04)The activity of 4 soil enzymes in farms under different agronomic managements and in different soil types was analyzed. The enzymes tested were phosphatase, β-glucosidase, dehydrogenase and urease. Soil samples were taken ... -
Supplementation with organic selenium and its effect on productive and reproductive performance in grazing dairy cows in Costa Rica
(2014-07-04)The objective was to evaluate the effect of supplementation with selenized yeast, derived from a specific strain of Saccharomyces cerevisiae (CNCM I-3060), on productive and reproductive performance and on selenium ... -
Verification of dry matter content as indicator of harvest for Hass avocado fruits (Persea americana) grown in intermediate elevation production areas at Los Santos, Costa Rica
(2014-07-04)The objective of this research was to study whether avocado dry matter content (DMC) could be used as an appropriate harvest index in substitution of fruit oil content (OC), for Hass avocados grown in intermediate elevation ...