Plant Food

As atmospheric CO2 has increased, so have crop yields.

Cereal yields
co2_mm_mlo.txt

About Tony Heller

Just having fun
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4 Responses to Plant Food

  1. dearieme says:

    “the Gulf of Mexico”: my dear Sir, how archaic!

    I propose a compromise that everyone can use: the Gulf of Cuba.

  2. ThurmanZhou says:

    Greenhouses should be so hot, no one could go inside. I see the Alarmists are at it lowering the amount of co2 in greenhouses from 1200 ppm to 1000. I guess some may use 1,000 ppm, but with either number, let’s take Venus as an example, sure Venus has a higher amount of co2, but the amount of w/m^2 is less. Can you believe that in this case clouds affect the w/m^2 on Venus but not on earth??? The temperature in the greenhouse would be hot enough to produce steam. Gosh, free energy! I’ve seen experiments on growth rates with increased co2, I’ve never seen one that mentions temperature or increased temperature because of additional co2. Some years ago, PEI sponsored a study looking for bad things in plants due to increased co2. They didn’t find any, so sad, too bad. I guess the study wasn’t done carefully enough to get the results the Alarmists wanted. I can’t watch the clips on Google or TWC without a full court press on scientists that are sounding the alarm over what they supposedly found because of Climate Change.
    This year in NJ, it was cold. People are questioning the narrative. The world temp peaked at 0.96 C above, nothing is said about the 0.5 C drop in a few months. Oh, it went into the oceans, yeah, sure, thermal expansion is a real thing. Somehow, I just don’t see that thermal expansion. How many centimeters are we talking here? Not millimeters.

    • Alarmists apparently cannot tell the difference between power, energy and temperature, and when it comes to energy cannot distinguish internal energy from enthalpy. Little wonder that we end up with absurdities like a surface heat flow which is 47% greater than that supplied by the Sun. Yes, the ‘greenhouse effect’ creates thermal power from nothing! As ‘irrefutable settled science’ is concerned, it has much in common with the once ‘irrefutable settled science’ of eugenics, requiring similar levels of coercion to force it on to a skeptical public.

  3. Bob G says:

    I read somewhere that 1400 is the ideal number… the optimum number for a man-made greenhouse on Earth… 1400…. never mind Venus…. if memory serves the planet Mars atmosphere is almost all CO2… but yet cold. very cold. not going to grow any soybeans and corn on the planet Mars

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