Tài nguyên được gắn thẻ với: Oss
1 đề mục được tìm thấy (Hiển thị 1 - 1)
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‘Bio-irrigation’ - How it works The shrubs have deep tap roots that suck up water from the wet deep sub-soil and deposit this small amount of water in the dry upper soil layers at night when photosynthesis stops. Surrounding crops take advantage of some of this water that is drawn up. This is...