>> undough -- undolatting. what can they tell us? >> form. >> form is s. so that's a good thing we can note. that's what we call standard form. which when you are talking about a tree, it looks like a tree. it has one trunk. the other forms are multistems or multitrunk. so for street trees it is important to have that standard form because we need to have clearances for pedestrian and vehicular access. >> quantity 50. well, hmm, guess there are 50 of them. what does this mean? l.m." >> it means lance scape maintenance -- landscape maintenance. we know which project they are for. >> and this nursery would have said something about the fertilization history. >> that's right. and they do to have that on there. we try to get trees established into their natural environment. once we get phlegm the nursery, -- we get the nursery, we will try to already have them established. we don't do a lot of fertilizing. if there is really bad soil conditions then we might amend the soil. >> do people need to fertilize their trees. >> typically they don't if you are planting