Does anyone know of companies that will insure hydroponic greenhouses?
last december 14, a Malaysia guy raised to question on the possible connection between hydroponic produce and cancer causing chemicals in the nutrient solution. well, i made some research and found out that too much NITRATE can cause cancer and this problem does not confine to hydroponic farm produce but also soil farm produce too. as a matter of fact, some years ago, somewhere in China, they have to relocate the whole village when they found out the nitrogen content in the village soil is too high and the cabbage they grow causes cancer. mankind Rick: I was not able to add this before in response to your posting on ppm and percent fertilizer, but here is some more: you can guesstimate that 1 mMHO is somewhere in the range of 635 to 650 ppm. I consider this only an approximate value since it really deppends on many factors such as salt index of the particular fertilizer salt, the temperature at which the reading is taken, etc.Anyway, 640ppm for each mMHO is more or less OK for calculat
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