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2. Tree shelter - Wikipedia

   en.wikipedia.org/wiki/Tree_shelter

   Young trees sheltered by plastic tubes. A tree shelter, tree guard or tree tube (sometimes also Tuley tube) is a structure used in tree planting, arboriculture and tree care that protects planted tree saplings from browsing animals and other dangers as the trees grow.

3. Plant defense against herbivory - Wikipedia

   en.wikipedia.org/wiki/Plant_defense_against_herb...

   Viburnum lesquereuxii leaf with insect damage; Dakota Sandstone (Cretaceous) of Ellsworth County, Kansas. Scale bar is 10 mm. Knowledge of herbivory in geological time comes from three sources: fossilized plants, which may preserve evidence of defense (such as spines) or herbivory-related damage; the observation of plant debris in fossilised animal feces; and the structure of herbivore mouthparts.

4. List of poisonous plants - Wikipedia

   en.wikipedia.org/wiki/List_of_poisonous_plants

   Many plants commonly used as food possess toxic parts, are toxic unless processed, or are toxic at certain stages of their lives. Some only pose a serious threat to certain animals (such as cats, dogs, or livestock) or certain types of people (such as infants, the elderly, or the immunocompromised).

5. Plasticulture - Wikipedia

   en.wikipedia.org/wiki/Plasticulture

   Plant height in okra was significantly increased with black plastic mulch use compared to those grown in bare soil. Evaporation from soil accounts for 25-50% of water used in irrigation , using plastic mulch prevents much of this evaporation and thus reduces the amount of water needed to grow the crop. [ 8 ]

6. Row cover - Wikipedia

   en.wikipedia.org/wiki/Row_cover

   Row cover is a lightweight synthetic, such as clear plastic (polyethylene) or spunbonded polyester called horticultural fleece. Plastic covers are elevated above plants on a supporting framework such as wire hoops to form a low tunnel. (Plastic placed directly on the ground is mulch.) Fleece covers can be placed directly on plants or on ...

7. Chemical defense - Wikipedia

   en.wikipedia.org/wiki/Chemical_defense

   Other plants were only observed to grow when fire removed shrubs, but herbs subsequently died off after shrubs returned. [6] Although the focus has been on broad-scale patterns in terrestrial plants, Paul and Fenical in 1986 demonstrated a variety of secondary metabolites in marine algae which prevented feeding or induced mortality in bacteria ...