Saline soils, which have high concentrations of sodium chloride and other salts, limit plant growth, and research continues to focus on developing salt-tolerant varieties of agricultural crops.
Though plenty of rain may fall on savanna during the year, for at least part of the year little does, creating the drought stress ultimately favoring grasses.
Their seed heads raised just high enough above the ground to catch the wind, the plants are no bigger than they need be, their stems are hollow, and all the rigidity comes from their water content.
Some species of tree have been read out of the party by economics-minded forestersbecause they grow too slowly, or have too low a sale vale to pay as timber crops.
We could plainly hear the tunes speak to us, while Akshay and I sat on either side fitting words to them, as they grew out of my brother's nimble fingers.