Ammonium (NH 4 +) and nitrate (NO 3-) are the primary nitrogen sources, each affecting plant physiology differently. Variations in leaf anatomy, such as cell wall thickness and chloroplast number ...

1. The aerial shoot of the banana is leafy almost to the top of the pseudostem, and bears the largest leaves produced by the plant. 2. The phyllotaxy changes with the age of the plant, from under 2/5 ...