In 1979, China introduced "Daping No. 2" and "North Star No. 2" from Japan. Th...
Celery is a kind of high-quality vegetable developed in recent years. It has gained the recognitio...
Chicken droppings contain sprinkled chicken feed, shavings, feathers, a small amount of broken egg...
1. Scientific breeding of doe In science breeding, first, we must provide enough food and enough ...
Mink skin is a sign of the growth and development of wolfberry fruit. Because the skin of wolfberry...
Several common diseases of lilies: lily mosaic disease, bulb rot disease, spot disease, leaf bligh...
Release date: 2007-05-21 Britain develops artificial "plastic" blood Lance Twyman, a ...