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Plant growth analysis refers to a set of concepts and equations by which changes in size of plants over time can be summarised and dissected in component variables. It is often applied in the analysis of growth of individual plants, but can also be used in a situation where crop growth is followed over time.
Species of different families may have different allocation patterns. For example, species belonging to the Solanaceae have high LMF values, whereas Fagaceae have low LMF values, even after size-corrections. Grasses generally have lower LMF values that herbaceous dicots, with a much higher proportion of their biomass present in roots. [7]
According to some research on the correlation between plant diversity and ecosystem functioning is that productivity increases as species diversity increases. [25] One reasoning for this is that the likelihood of discovering a highly productive species increases as the number of species initially present in an ecosystem increases.
Sheep feed on plant tissues that contain high concentrations of carbon relative to concentrations of nitrogen and phosphorus (i.e. a high ratio of C:N:P). To grow and develop, the tissues of a sheep need less carbon in relation to nitrogen and phosphorus (i.e. a low ratio of C:N:P) than the food eaten. The growth and development of any organism ...
The ratio can also be used to understand the formation of phytoplankton blooms and subsequently hypoxia by comparing the ratio between different regions, such as a comparison of the Redfield Ratio of the Mississippi River to the ratio of the northern Gulf of Mexico. [10] Controlling N:P could be a means for sustainable reservoir management. [11]
Ecological pyramids begin with producers on the bottom (such as plants) and proceed through the various trophic levels (such as herbivores that eat plants, then carnivores that eat flesh, then omnivores that eat both plants and flesh, and so on). The highest level is the top of the food chain. Biomass can be measured by a bomb calorimeter.
Crop coefficients are properties of plants used in predicting evapotranspiration (ET). The most basic crop coefficient, K c, is simply the ratio of ET observed for the crop studied over that observed for the well calibrated reference crop under the same conditions.
Plant nutrition is the study of the chemical elements and compounds necessary for plant growth and reproduction, plant metabolism and their external supply. In its absence the plant is unable to complete a normal life cycle, or that the element is part of some essential plant constituent or metabolite .