Articles
EFFECTS OF CONTAINER SIZE AND SUBSTRATES ON HYDRANGEA MACROPHILLA GROWTH
Article number
450_52
Pages
419 – 424
Language
Abstract
The container size and the substrates are important factors on the irrigation control and plant development.
The objective of this work was to know the effects of these two factors on Hydrangea macrophilla growth.
For this purpose, two trials were carried out.
In the first one, eight substrates made with different proportions of peat, pine bark, granulated slag, crystallized slag and slag wool, on C17 containers were studied In the other one, four container sizes (C12, C14, C17 and C21) were compared using a substrate mixture made up of peat and pine bark (3:1 by volume weight).
The objective of this work was to know the effects of these two factors on Hydrangea macrophilla growth.
For this purpose, two trials were carried out.
In the first one, eight substrates made with different proportions of peat, pine bark, granulated slag, crystallized slag and slag wool, on C17 containers were studied In the other one, four container sizes (C12, C14, C17 and C21) were compared using a substrate mixture made up of peat and pine bark (3:1 by volume weight).
Dry matter production was higher as container size increased.
Dry matter production per liter of container followed the inverse order.
The results indicated that the irrigation management had no specific effect on any of sizes tested.
Total plant dry weight and root dry weight differences between C21 and C17 containers do not justify the use of C21 container for six months culture.
The best results were obtained with 3 peat: 1 bark substrate followed by slag wool.
Barkslag mixtures presented the lower productions.
It was deduced that the irrigation management helped peat-bark substrate from the point of view proportion between root dry weight and total dry weight.
Authors
A. Artetxe, V. Terés, A.I. Beunza
Keywords
porosity, growing media, specific volume, particle density, methodology, physical properties
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