19 resultater (0,22359 sekunder)

Vis alle filtre

Mærke

Butik

Pris (EUR)

Nulstil filter

Produkter
Fra
Butikker

Cloning of ornamental conifers - Bog af José Justo Mateo Sánchez - Paperback

Cloning of ornamental conifers - Bog af José Justo Mateo Sánchez - Paperback

In order to evaluate the effect of different doses of AIB (indolbutyric acid) and substrate temperature on the rooting of juvenile cuttings of five species of Cupressaceae (Juniper, Cypress, Lemon Cedar, Thuja and False Cypress) in March 1997, a trial was carried out in the nursery of the Forestry Program of the Colegio de Postgraduados. This trial included the evaluation of two substrate conditions (with and without heating) and five levels of AIB: 0, 5,000, 10,000 and 20,000 ppm in liquid solution,..

DKK 622.95
2

The rural cisterns of La Unión - Bog af Mateo Férez Martínez - Paperback

The rural cisterns of La Unión - Bog af Mateo Férez Martínez - Paperback

The problem of water has always been present in semi-arid spaces, which is why cisterns have acquired great importance, the existence of which is at the expense of their owners and inhabitants, some being in a state of total deterioration if they survive. The reflection of all this can be perceived if we read an everyday landscape, where we can observe the different levels of man's performance in that natural environment. Currently, a cistern is an element that gets in the way and is of no use. But..

DKK 1032.95
2

The rural cisterns of Los Alcázares - Bog af Mateo Férez Martínez - Paperback

The rural cisterns of Los Alcázares - Bog af Mateo Férez Martínez - Paperback

The problem of water has always been present in semi-arid spaces, which is why cisterns have acquired great importance, the existence of which is at the expense of their owners and inhabitants, some being in a state of total deterioration if they survive. The reflection of all this can be perceived if we read an everyday landscape, where we can observe the different levels of man's performance in that natural environment. Currently, a cistern is an element that gets in the way and is of no use. But..

DKK 1032.95
2

Physical education as a leisure and free time practice - Bog af Mateo Bohorquez - Paperback

Physical education as a leisure and free time practice - Bog af Mateo Bohorquez - Paperback

Does physical education as a social motor purpose correspond to what we understand today as leisure and free time? Over time, educational, industrial and hospital establishments, among other sectors, both public and private, have given Physical Education the meaning of leisure and free time. They have given Physical Education an important place in society, so that nowadays the subject that some years ago was the \filler\ in the educational classrooms nowadays brings with it a culture that is lived,..

DKK 422.95
2

How to reduce school dropout rates - Bog af René Hernández Gopar - Paperback

How to reduce school dropout rates - Bog af René Hernández Gopar - Paperback

Dropping out of school is a problem that has become an increasingly worrisome reality over time. For this reason, the objective of the research was to identify the factors that influence school dropout among students of the Instituto de Estudios de Bachillerato del Estado de Oaxaca (IEBO) Plantel No. 40 \San Mateo del Mar\ Tehuantepec, Oaxaca. The factors that most influence students' decision to drop out of high school are: Personal, Economic, Family and Educational, but the most influential in..

DKK 562.95
2