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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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avbatb avbatb
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3 years ago
Which of the following defines Steenberg effect?

▸ Under severe deficiency, rapid increases in yield with added nutrient can cause a small decrease in nutrient concentration.

▸ Increases in nutrient concentration above the critical range indicate that the plant is absorbing nutrients above that needed for maximum yield.

▸ Elements absorbed in excessive quantities can reduce plant yield directly through toxicity or indirectly by reducing concentrations of other nutrients below their critical ranges.

▸ Crop yield is proportional to the amount of the most limiting nutrient. Once this nutrient deficiency is corrected, yield will increase to a level limited by some other nutrient.
Textbook 
Soil Fertility and Fertilizers

Soil Fertility and Fertilizers


Edition: 8th
Authors:
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nanachinanachi
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3 years ago
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avbatb Author
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3 years ago
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smi3
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