The most common causes of female infertility include problems with ovulation, damage to fallopian tubes or uterus, or problems with the cervix. Age can contribute to infertility because as a woman ages, her fertility naturally tends to decrease. Abnormal cervical mucus can also cause infertility.
Apply post-emergence crabgrass herbicides. These herbicides kill the crabgrass and will completely eradicate any crabgrass populations when used in conjunction with a pre-emergency herbicide. Example herbicides include Fenoxaprop and Dithiopyr, and target crabgrass without harming lawn grass species.tep 3. Use pre-emergence herbicides. These chemicals prevent crabgrass seeds from sprouting, breaking its life cycle. They do not affect already-growing plants, thereby protecting your lawn.
Chemicals to Use on Crab Grass. Crabgrass is a weed that is feared by homeowners and groundskeepers alike. Besides taking over lawns and flower beds, crabgrass can be devastating to golf courses and sod farms. Though it may seem like an innocent weed, crabgrass reproduces quickly and is difficult to get rid of once it is established.