Question

Answer the following question..​

Answer 1

Symptoms caused by nutrient deficiencies are generally grouped into five categories: 1) stunted growth, 2) chlorosis, 3) interveinal chlorosis, 4) purplish-red coloring and 5) necrosis. Stunting is a common symptom for many deficient nutrients due to their varied roles in the plant.



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Answer 2

Answer:

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Explanation:With few exceptions visual symptoms of nutrient deficiencies are seldom seen in woody landscape plants.

Except for highly alkaline soils, where iron and manganese will be unavailable, leaf color will generally look normal.

Subnormal shoot growth and leaf size may be a more accurate indicator of low nutrient levels.

Soil tests are also an important tool for deficiency diagnosis. In addition, nutrient symptoms are very difficult to distinguish from other symptoms associated with insects or disease, other adverse soil conditions such as compaction or discontinuous texture layers, and improper irrigation practices.

Nutrient deficiencies are of more importance in newly planted and young plants where rapid growth is desired.

A general rule of thumb regarding nutrient deficient symptoms is that nutrients that are mobile will show deficiency symptoms first on the older foliage and less mobile nutrients will show deficiency symptoms first on the younger foliage. The following is a partial list of deficiency symptoms for the most common nutrients.