Poor plant growth in a well-drained irrigated soil in an arid region (pH=8.0)is most likely due to ________.
A)manganese toxicity
B)iron deficiency
C)phosphate toxicity
D)calcium toxicity
E)molybdenum deficiency

Question

Quizplus · Accepted Answer

The high pH value of 8.0 indicates that the soil is alkaline, which can often result in iron deficiency in plants. Iron becomes less available to plants as the pH level increases, leading to poor growth.

Poor Plant Growth in a Well-Drained Irrigated Soil in an Arid