tomato to super-tomato … just add CO2

Once again, the data from co2science tells the full story, more than double the crop with extra CO2. No wonder they are grown in greenhouses with added CO2:

Plant Growth Database (4 June 2015)
Our latest result of plant growth responses to atmospheric CO2 enrichment obtained from experiments described in the peer-reviewed scientific literature is for Tomato (Mamatha et al., 2014)…


Mamatha et al. (2015)

Total fruit yield at time of harvest of well watered and fertilized 30-day-old transplants grown to maturity out of doors in open-top chambers at the Indian Institute of Horticultural Research in Bangalore, India

Then more healthy red fruit, the raspberry, an even greater result:

Martin and Johnson (2011)

Three cultivars possessing maximum resistance to aphid attack grown from rootstock in 10-cm pots containing a peat-sand-perlite mix under well watered and fertilized conditions in controlled-environment chambers for seven weeks, with a proxy for biomass production being the mean extension rate of the plants’ primocanes (the actively growing vegetative shoots that are produced in the first year of growth)

About Tom Harley

Amateur ecologist and horticulturalist and CEO of Kimberley Environmental Horticulture Inc. (Tom Harley)
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