Tomato plants were fed with calcium 45, cobalt 60, copper 64, iron 59, magnesium 28, manganese 54, molybdenum 99, potassium 42, sodium 24, tungsten 187, and zinc 65 in sand or water culture. Fresh tissues were then extracted with a series of reagents, and the percentage radioactivity determined in e...
No comments yet
Be the first to share your thoughts!