Monitoring fine root growth to identify optimal fertilization timing in a forest plantation: A case study in Northeast Vietnam.

Fertilizer is applied widely to improve the productivity of plantations. Traditionally, fertilization is conducted in spring and/or in the early rainy season, and it is believed to support the growth of planted trees in the growing season. Little attention to date has been paid on identification of the optimal timing of fertilization and fertilizer dose.

[Organization of health services in the area of Ho Chi Minh Ville. Prospects of training and improving health workers].

The old city of Saïgon-Cholon, the region of Ho Chi Minh Ville and its districts has a population of more than 25 millions persons. After a description of the existing organisation and an evaluation of the medical and surgical activities it is possible to appreciate the magnitude of the needs. The medical University (CUF) has been created in 1989.