chemical elements for crops to survive

Crops require about 20 separate chemical elements to survive. Liebig’s law of the minimum states that the growth of a plant is affected by just one limiting factor at a time – the nutrient whose availability is the most limited to the needs of a plant. Based on this law, which of the following statements is true? (Points : 1)

Increasing the limiting nutrient will improve soil production

Increased plowing will release nutrients and increase crop production

Irrigation will stimulate carbon turnover and increase crop production

Fertilization with a mixture including all of the soil micronutrients is necessary to improve crop growth

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