WebMay 18, 2024 · The GY gains from the low to high plant density plots were 86, 135, and 198 kg ha –1 per year, respectively. In all plant density treatments, yield and biomass of newer hybrids (2000s) were significantly higher than those of older hybrids (1970s). The physiological density or real population density is the number of people per unit area of arable land. A higher physiological density suggests that the available agricultural land is being used by more and may reach its output limit sooner than a country that has a lower physiological density. Egypt is a notable example, with physiological density reaching that of Bangladesh, despite much desert.
Bone mineral density and its influencing factors in Chinese …
WebAug 24, 2024 · Bone mineral density and its influencing factors in Chinese children with spinal muscular atrophy types 2 and 3. ... The research reported in this paper was … WebSep 6, 2024 · Globally the average population density is 62 people per km² in 2024, but there are very large differences across countries. Many of the world’s small islands or isolated states have large populations for their … neshaminy school district homes for sale
What is the physiological density in China? - Answers
WebPopulation density (people per sq. km of land area) Food and Agriculture Organization and World Bank population estimates. License : CC BY-4.0 Line Bar Map Label Population living in areas where elevation is below 5 meters (% of total population) Urban population living in areas where elevation is below 5 meters (% of total population) WebAug 1, 2024 · OBJECTIVES The aim of this study was to investigate whether higher serum uric acid (SUA) levels within the physiological range were associated with changes in lumbar spine bone mineral density (LBMD) in postmenopausal women without existing lumbar spine osteoporosis after a longitudinal follow-up of 3.09 years, and to further … WebMar 1, 2024 · Physiological density is the number of persons per unit of agricultural land. This measure of density is useful, because it can give us a rough estimate of how many … it time for a change