PMS Guidelines For Selected Agricultural Crops
Considerable research has been done on water relations of agricultural
crops. Much of this data has not been compiled or summarized. PMS Instrument
Company has attempted to summarize available information for a variety
of crops. The striking similarity of the plant responses to moisture stress
has led to the development of Tables I and II. Crops were divided into
three stress categories, Low, Medium and High Stress Crops (Table I). Table
II indicates how plants in each stress category differ in response to PMS
(plant moisture stress). This preliminary classification will be further
refined as additional information becomes available, but these tables at
least provide a starting point for using the pressure chamber to manage
crop irrigation. Refinements are available for some crops at this time
(i.e., cotton, grapes, avocado) and more will be forthcoming.
Tables I and II (below) have been prepared using both research data
and field experiences of growers. We are continuing to collect data on
this project and welcome information from all sources
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Stress levels, crop tables and information