Tree nurseries use techniques such as large potted seedlings and air-slit containers, to cultivate strong, healthy plants with well-developed root structures. It has been proven that irrigation techniques play a critical role in seedling physiology, however traditional approaches to determining seasonal soil water requirements during the growth period have been typically qualitative, based around the feel of the soil. ...
By E.S.I. Environmental Sensors Inc. based in Sidney, BRITISH COLUMBIA (CANADA).
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