As water evaporates, it increases the humidity around the plant, where it is needed. A burned look on leaf tips, or dark green/reddish-purplish older leaves, may indicate a phosphorus deficiency.

Symptoms may also present on the leaf margins or tips (Figure 3) or be interveinal (Figure 4). The dichotomous key can be used to aid in the visual diagnosis of common nutrient deficiencies in plants ...

Discoloration of gardenia leaves could be a sign of a problem. Here's how to fix it. Reviewed by David McKinney Gardenias ...

As we begin our spring fertilizing the following is a guide to help you with the symptoms of various nutritional deficiencies ...

Symptoms of nutrient deficiency may include stunted growth, death of plant tissue, or yellowing of the leaves caused by a reduced production of chlorophyll, a pigment needed for photosynthesis.

The sooner a farmer knows that their crops are suffering, the faster they can take action to prevent major crop failure. A ...

The cells that make up the walls of the finest of all lymphatic vessels have a lobate, oak leaf-like shape that makes them ...