Adding more fertilizer does NOT necessarily increase crop production. This is an example ofA. the law of supply and demandB. Leibig's law of minimumC. limiting factorsD. the second law of thermodynamicsE. the Gaia hypothesis

Mention the factors that affect the growth of crops.

True or False: Agricultural production has increased faster than farmland has.Group of answer choicesTrueFalse

Food production must increase, but so must:

Using fertilizers in farming is an example of?No cost productionLow cost productionHigh cost productionNone of these

Two experimental fields were each planted with corn. Fertilizer was added to the first field but not to the second. The first field produced 250 bushels of corn per acre and the second field produced 180 bushels of corn per acre. Since nothing else but water was added to either fields, the higher yield in the first field must be due to the fertilizer.Which of the following, if true, most seriously weakens the argument above?radio_button_uncheckedA small amount of the fertilizer leached into the second field.radio_button_uncheckedFour different types of corn grown in equal proportions in each of the fields.radio_button_uncheckedSome weeds that compete with corn cannot tolerate high amounts of fertilizer in the soil.radio_button_uncheckedThe two experimental fields were located in different states.