21. :: " Some have lost the ability to form reproductive structures, and propagate solely by vegetative growth . 22. There is an ongoing debate over the necessity of a " dark period " for vegetative growth . 23. If you feed them and water them like regular plants, you'll stimulate vegetative growth but little coloring. 24. This species often spreads through its own vegetative growth , but can easily be transported by human activities. 25. If the mussels have beards _ hairy vegetative growth attached to the shell _ trim them off. 26. But too much nitrogen can cause trouble as well, in the form of causes excessive vegetative growth . 27. Once the flower clusters form, they should be removed so the plant will continue its vegetative growth . 28. On a banana plantation, plants can be seen at all stages of vegetative growth and fruit maturity year-round. 29. The advantages of quick-release fertilizer include immediate nitrogen availability to the plant, fast foliage green-up and rapid vegetative growth . 30. Due to the high vegetative growth , species from northern South America are taller than species from the southern Andean region.
