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.
Prevention and Maintenance. You can discourage crabgrass by mowing at the proper height for your grass type. Higher mowing, usually at one of the top two setting on your mower, encourages lawn grasses to shade soil which helps prevent the germination of crabgrass seeds. A thick, full lawn seldom contains much crabgrass.