water availability
2.And food production is restricted by water availability and water quality while Songhua River Basin supports the only soil belt in China.
3.During 1990-1996 the scientists of the State Hydrological Institute, St. Petersburg, under the scientific guidance of the author of this article, made a new combined assessment of the world water resources, water use and water availability in the dynamics including a forecast for a remote future.
4.(3) To take the soil water potential of 3.0 bar as a critical value, the availability of nutrients in soil solution was higher at levels below 3.0 bar than over 3.0 bar.
5.Teh availability and water-solubility of P2O5 in TSP are 96. 4%adn 93.5% respectively.
6.Aiming at salt and organic pollution control of Lake Boston,the targets and programs of total quantity control of main water pollutants in Yanqi Basin were presented,and the investment requirement and targets availability analyzed.
7.Based on the characteristics of the buried culvert Under West No. 4 Ring Road in Beijing for South-to-North water transfer Project, the arrangement of the monitoring points and the monitoring results are emphatically described, and then a verification is made for the availability of the excavation parameters of the culvert through the analysis of the monitoring results, which provides a guidance for the construction of the later-period.
8.The water-extractable F decreased with the increase of total F and the contents of organic matter and clay, while increased with increasing soil pH, indicating that the increase in soil pH promotes soil F availability whereas the increase in total soil F, organic matter and clay inhibits it.
9.A further reduction in the availability of electricity and water would exacerbate existing problems - such as the insufficient supplies of clean water for drinking and personal hygiene, inadequate sewage treatment and waste disposal, and the spoiling of already scarce food and medicines, due to the inability to refrigerate them.
10.Arbuscular mycorrhizal fungi aid procurement of water and mineral nutrition by citrus roots with sparse root-hairs, and expedite the process of growth and development, and tone up the competence of stresses-resistance resultantly, as well as get the availability of carbon from citrus.
