Which of these organisms use nitrogen directly from the air: blue-green algae protozoa plants worms Biological nitrogen fixation The conversion of atmospheric nitrogen into ammonium ions or nitrates by bacteria or other microorganisms is called biological nitrogen fixa...
Industrial ammonification, which requires large amounts of energy, is used to create ammonia and nitrate for use as agricultural fertilizer. Industrial processes convert approximately 80 million metric tons of nitrogen per year, whereas bacterial nitrogen fixation converts slightly more, with about half...
In its interaction with the environment, an organism is coordinated on the cytoplasmic, cellular, tissular, organic, and organismic levels so as to act as a unified system. The formation of a complete organism in phylogeny consists in the differentiation and integration of cells, tissues, organs,...
S ummary : The ability of micro-organisms to use sulphamic acid in the form of the sodium salt as a source of nitrogen appeared to be generally uncommon, but certain strains of Aureobasidium ( Pullularia ) pullulans and Cephalosporium acremonium (?), and also two unidentified species of ...
Early organisms in the Precambrian Era converted what to oxygen? What were the first organisms on earth? What were the first life forms on Earth? What kinds of organisms can remove nitrogen from the atmosphere? Which organisms play a role in returning carbon to the atmosphere?
Although nitrogen gas is abundant in the air, plants are unable to use nitrogen in this form, but they can readily use the ammonia formed by these bacteria and thus benefit from this symbiosis. As with mycorrhizal associations, the host plant benefits its symbiont by providing a carbohydrate ...
以这个管理例子和产生结果多数雇员在这些组织成为安全主张自己。 成功的组织产生使角色主要安全提倡者更加容易责任和介入的文化。 [translate] aNitrogen in the form of soil compounds enters plants, which then are consumed by other organisms 氮气以土壤化合物的形式进入植物,由其他有机体然后消耗 [translate] ...
But these legumes also enriched the soil--by converting nitrogen in the atmosphere into nitrates--a form of nitrogen the crops like wheat or corn could use as a nutrient. And, these and other "cover crops," planted to hold the soil after the wheat or corn was harvested--they stored much...
available nutrients (nitrogen, phosphorus, and potassium), and eggplant growth through modifications in photosynthesis and associated gas exchange, with CE and NCCE yielding notable gains. In addition, eggplants grown under diverse leafy vegetable rotation systems demonstrated enhanced antioxidant enzyme ...
optionally substituted phenyl, or R 4 and R 5 together with the nitrogen atom to which they are attached form a heterocyclic ring which may be substituted and which may also contain an additional heteroatom, a process for preparing these substances and their use for controlling undesirable ...