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The nitrogen-fixing clade consists of four orders of flowering plants: Cucurbitales, Fabales, Fagales and Rosales. [a] This subgroup of the rosids encompasses 28 families of trees, shrubs, vines and herbaceous perennials and annuals. The roots of many of the species host bacteria that fix nitrogen into compounds the plants can use. [4] [5]
Roses are relatively easy to grow compared to many large-flowered garden plants, with the main effort, apart from basic watering and feeding, going into the pruning that most varieties need, and the training that many do. [8] At least bush varieties are usually deadheaded, although some varieties are left for their decorative (and medicinal ...
For example, nitrogen compounds comprise 40% to 50% of the dry matter of protoplasm, and it is a constituent of amino acids, the building blocks of proteins. [9] It is also an essential constituent of chlorophyll. [10] In many agricultural settings, nitrogen is the limiting nutrient for rapid growth.
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The rosids are members of a large clade (monophyletic group) of flowering plants, containing about 70,000 species, [2] more than a quarter of all angiosperms. [3]The clade is divided into 16 to 20 orders, depending upon circumscription and classification.
President-elect Donald Trump and George Stephanopoulos have been ordered to sit for depositions as part of Trump's defamation suit against ABC News and its anchor.
Fructose is a natural sugar found in fruits, vegetables, and honey. Fructose can be bad for your health when consumed as part of high-fructose corn syrup in processed foods.
Nitrogen is the most critical element obtained by plants from the soil, to the exception of moist tropical forests where phosphorus is the limiting soil nutrient, [36] and nitrogen deficiency often limits plant growth. [37] Plants can use nitrogen as either the ammonium cation (NH 4 +) or the anion nitrate (NO 3 −).
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