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Record number 1209553
Article title Air/water management in rockwool slabs
Author(s) Blok, C.
Journal title Acta horticulturae : technical communications of I.S.H.S. / International Society for Horticultural Science
Part(Year)Number 481(1999)
Pages 79 - 87
Notes Ill.; Tab.; Summary; 18 refs
Online May be available online via journal: Acta horticulturae : technical communications of I.S.H.S. / International Society for Horticultural ScienceTransactions / International Society of Horticultural Science
On paper FORUM ; STACKS ; NN36400 ; No. 1(1963)- ;
Keyword(s) rockwool / physical properties / water relations / tomatoes / solanum lycopersicum
Categories x
Language English
About With the aid of a mechanical system of siphons the water content in rockwool slabs was maintained at preset levels, regardless of the amount of water supplied, to investigate whether the development and yield of tomato were affected by slab water content. Different water content strategies were compared. Water content and EC level were monitored with Frequency Domain equipment. Slab water control influenced both fresh and dry matter yield of tomato. No difference in crop characteristics, such as leaf dimensions, was observed. The evidence points to a difference in the efficiency of photosynthesis. The best strategy appears to be starting at 40% slab water content and raising it to 60% at the tenth truss stage
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