how would sugar affect the growth of plants such as grass?

Question

I need to know to do my science project. 1st to give a good site + a good source gets 10 points

Answer 1

Plants CREATE sugars, they don't 'live on it',

Wikipedia:
It is a common misconception that most of the solid material in a plant is taken from the soil, when in fact almost all of it is actually taken from the atmosphere. Through a process known as photosynthesis, plants use the energy in sunlight to convert carbon dioxide from the atmosphere into simple sugars. These sugars are then used as building blocks and form the main structural component of the plant. Plants rely on soil primarily for water (in quantitative terms), but also obtain nitrogen, phosphorus and other crucial elemental nutrients. For the majority of plants to grow successfully they also require oxygen in the atmosphere (for respiration in the dark) and oxygen around their roots. A few specialised vascular plants, such as Mangroves, can however grow with their roots in anoxic conditions

Some plants grow special defence measures such as the prickles on a blackberry

Simple plants like algae may have short life spans as individuals, but their populations are commonly seasonal. Other plants may be organized according to their seasonal growth pattern:
Annual: live and reproduce within one growing season.
Biennial: live for two growing seasons; usually reproduce in second year.
Perennial: live for many growing seasons; continue to reproduce once mature.

Among the vascular plants, perennials include both evergreens that keep their leaves the entire year, and deciduous plants which lose their leaves for some part. In temperate and boreal climates, they generally lose their leaves during the winter; many tropical plants lose their leaves during the dry season.

The growth rate of plants is extremely variable. Some mosses grow less than 0.001 mm/h, while most trees grow 0.025-0.250 mm/h. Some climbing species, such as kudzu, which do not need to produce thick supportive tissue, may grow up to 12.5 mm/h.

Plants protect themselves from frost and dehydration stress with antifreeze proteins, heat-shock proteins and sugars (sucrose is common). LEA (Late Embryogenesis Abundant) protein expression is induced by stresses and protects other proteins from aggregation as a result of desiccation and freezing[1].

Answer 2

Sugar is bad for plants. It will attract pests and little bacterial vermin, crap like that. If sugar were good for plants, then Miracle-Gro would have sugar in it. But it doesn't. So if you have a plant fed with sugar, then make sure you have a control plant given just water to show the difference in growth. It might not hurt it that much in the short term, but it'll be bad in the long term.

I did a science project that was a total disaster...long story short, the plants that got orange juice poured on them developed mold and didn't grow well at all. Don't press me for further details--it's too embarrassing. But sugar=bad!

Answer 3

Occasionally sugar is used in restoration projects to reduce soil nitrogen (adding a lot of carbon increases microorganisms which use nitrogen), since a lot of available nitrogen is good for weedy species. Here's an example.