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.
1 Selective Herbicides: Weed killers that are made to target a specific kind of weed. This is useful for when you want to kill the weeds in your lawn, but not your lawn.  Non Selective Herbicides: Weed killers that are made to kill a broad spectrum of weeds all at once.