It only takes one sperm to fertilize an egg.
Used a mechanical spreader to fertilize the lawn.
low-cost ways for African farmers to fertilize their soils.
They hauled feedlot manure from the ranches to fertilize their fields .
any animal or plant material used to fertilize land especially animal excreta usually with litter material.
Material, especially barnyard or stable dung, often with discarded animal bedding, used to fertilize soil.
In the years of primary school, the school arranged for us to grow sugarcane and ask us to fertilize sugarcane.
Slash and burn cultivation and the burning of grass to fertilize land were still customs retained in a few localities.
David may have a genetic defect, common in infertile men, that makes his sperm unable to fertilize an egg.
Within the next weeks the mustard would grow in profu sion, then be plowed under to fertilize.
For saplings, all we need to do is to fertilize them occasionally and prune them when necessary according to their growth pattern.
Now is the time to seed areas that took a bit of a hit over winter and to fertilize the whole yard.
Before using the sperm to fertilize an egg, they could test it to make sure it was healthy and lacked the genetic defect.
They used it to fertilize soil, and the researchers have found that this soil is still some of the richest and most fertile in the world.
The Tennessee Valley Authority staff also helped the farmers to fertilize the soil, and to plant wind-breaks which would turn the force of the wind upwards away from the land.
By 1968, Edwards had fine-tuned the maturation of human eggs, learning how to fertilize them with the potential father's sperm and to prod them into forming embryos that could be implanted.
His family is not far from the recruit training camp, and the feces of the people and animals in the camp will be distributed more or less to the nearest military households to fertilize the fields.
