The questions of growth and development of organs of plant and all organism on the whole are examined. It is offered a new theoretical approach of computation of growth functions of period of vegetative growth of plants, based on the swaying processes of dry mass of organs in the flow of ontogenesis of plant. In the basis of addition of vibrations lies a linear transformation of temporal axis and principle of superposition. It was obtained and tested growth functions of period of vegetative growth of sunflower organs. It was offered the temporal parameters of theoretical method of computation as growth functions of sunflower.
In work numeral computation of offensive of phase is analysed «shoots» of spring barley in the Kiev region depending on the complex of agrometeorological factors. Computation of period sowing-shoots is based on decomposition of equalization of logistic curve in the row of Taylor’s series. Estimation of all necessary parameters of the offered model is produced. The analysis of comparison of actual and computation dates of phase is conducted «shoots».
The theory of the biological temporal field, able to unite or «work» at a different level of hierarchy of organization of processes of photosynthesis, photorespiration and respiration of maintenance, is offered. Coming from a theory, by natural appearance the subdivision of productional process of plants on photosynthesis, photorespiration and respiration of maintenance is carried out. Becomes a photorespiration role is clear – it is a process providing indissoluble communication of motions of the biological temporal field. The factor of the biological temporal field is an uniting link at a different level of hierarchy of biological processes of plant.
In work the questions of development and growth of agricultural cultures are examined. It is offered methods of computation of biological events: «sowing», «shoots», «book-mark of reproductive organ», «flowering», «ripening». Dynamic computation of growth of organism of plant and his organs depending on tension of factors of external environment is offered. It is revised and simplified the dynamic system of growth of organs of plant, that on the whole makes the dynamic model of development and growth of plant.
The submodel of process of frost resistance and wintering of the winter wheat as a component of complex dynamic model of growth, development and formation of the crop production.
The problem of description, evaluation and prognostication of duration for sowing-shoots period of agricultural cultures is examined. The solution to the problem is founded on an approach being a problem of biological time of plants. Iterative computation equation for consideration of a complex of agrometeorological factors affecting the duration of sowing-shoots period is derived on the basis of expansion in Taylor’s series. Thus, the basic processes of ontogenesis, photosynthesis and plant respiration, are taken account of.