Reabsorbtion. Occuring more commonly within the nephron system than filtration, this is a form of active transport which takes the the useful substances for the body from the tubules and places them back into the blood filled capillaries.
Oleanders are shrubs, but they are _big_ shrubs. Most of the varieties in cultivation top out at 8 to 12 feet tall and about the same width. The wild form, and some of the older cultivars used for windbreaks top out at 20 x 20 feet.
4. Amend the soil with compost. Oleander can tolerate most soil conditions, but if you are working with spent soil that is especially deprived of nutrients, you should mix a few handfuls of compost into the top 1 foot (30.5 cm) of the soil to improve it.1  The best soil for oleanders will be well-drained.eep plenty of space in between the plants. If you are planting multiple oleander bushes, you should space each oleander bush 6 to 12 feet (1.8 to 3.7 m) apart from any others. 1  For each additional oleander plant, follow the same instructions regarding how large to make the hole and how to fill the hole in.