Polyphenoloxidase activity in peaches after vibration

The vibration during transportation is one of the main causes of fruit damage. The actual methodologies used for damage evaluation in fruits seem to be subjective, since most of them are based on visual evaluation. In this study the effect of vibration, for one and two hours, on polyphenoloxidase (PPO) activity in peach pulp was investigated. The relation among PPO activity variation, postharvest time and resting time were also considered. Results showed that vibration affects PPO activity. However, it was not possible to correlate PPO activity variation and vibration.

Desigualdades socio-economicas y mortalidad infantil: Santa Fe, Argentina; tesis de grado

Incluye Bibliografía

Oaxaca: estimación del nivel de la fecundidad y mortalidad infantil, en base a los resultados del censo de 1980; trabajo final de investigación

Incluye Bibliografía

Caracterização hidráulica do microaspersor Eden Twister em posição normal e invertida

Pós-graduação em Agronomia (Ciência do Solo) - FCAV

Crescimento da cana-de-açúcar em superfícies irrigadas, com diferentes exposições e declividades

Pós-graduação em Agronomia (Ciência do Solo) - FCAV

Utilização de composto de lixo urbano na produção de mudas de espécies arbóreas nativas com dois níveis de irrigação

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Agricultura, los alimentos y el mercado del campesino ecuatoriano

Incluye Bibliografía

Estudio de caso. Dos experiencias de creación de empleo para mujeres campesinas: Charo, Michoacán y Viesca, Coahuila

Incluye Bibliografía

St. Kitts

Includes bibliography

Jamaica country paper

Includes bibliography

Dominica country paper

Includes bibliography

Grenada country paper

Includes bibliography

St. Vincent and the Grenadines country paper

Describe la organizacion estructural, los programas de investigacion agricola, el desarrollo de los recursos humanos, las relaciones con organismos internacionales, y la trasmision de informacion y tecnologia del sistema nacional de investigacion agricola de St. Vincent & Grenadines.

Policy considerations toward allocation of resources and the integration of agricultural research into national development programmes

Analiza el rol del sector agricola en el desarrollo economico de la region, con especial referencia a Trinidad y Tabago, y presenta una serie de consideraciones en favor de la asignacion de recursos y de la integracion de la investigacion agricola en los programas de desarrollo nacional.