Disease. Several different plant diseases lead to various parts of plants turning yellow, most commonly the leaves. Viral diseases such as yellow mosaic cause plant leaves or flowers to turn yellow. Some fungal diseases may also cause yellowing. Rust, for instance, might cause yellow powder to form on the leaves.isease. Several different plant diseases lead to various parts of plants turning yellow, most commonly the leaves. Viral diseases such as yellow mosaic cause plant leaves or flowers to turn yellow. Some fungal diseases may also cause yellowing. Rust, for instance, might cause yellow powder to form on the leaves.
â¢ PLOW (verb) The verb PLOW has 3 senses: 1. to break and turn over earth especially with a plow. 2. deal with verbally or in some form of artistic expression. 3. move in a way resembling that of a plow cutting into or going through the soil. Familiarity information: PLOW used as a verb is uncommon.
exists and is an alternate of . Plowing allows water and air to enter the soil, it also allows humus (organic matter) to be plowed into the soil so that earthworms can have access to it and improve soil quality. Plowing does disturb the soil and can make it susceptible to erosion due to wind taking loose soil or water erosion when it rains. Leaving soil exposed without a crop in it means that erosion can occur.