Chemical Weathering. Chemical weathering takes place in almost all types of rocks. Smaller rocks are more susceptible, however, because they have a greater amount of surface area. Chemical reactions break down the bonds holding the rocks together, causing them to fall apart, forming smaller and smaller pieces.
Autos generally are ready to harvest sooner than photoperiod. Most autos are ready to harvest 65-90 days after being sprouted from seed. Some super autos have been bred to grow very big and can take up to 100 days before harvest.
It takes four to six months for the eggs in a cow's ovaries to grow to their ovulatory state. Management. of the cow during this period is critical in determining their ability to yield transferable embryos that. become established pregnancies. Later, it takes another six weeks for the embryo to implant into the. dam. So again management during this period is critical. Six months before you plan to start your ET, it. is wise to book a half hour session with your vet to talk over your plans. Some facts on fertility and bovine.