Main directions and results of Research on genetic diversity of maize in China and their practical use in breeding are represented.

In article they give us productivity research results of the grafted tomato hybrids on the graft No 61-53. It was found that grafting increases productivity. The highest crop capacity was received from grafted hybrid Raisa - 40,6 kg/м , wich exceeds control (of seeds) to 6,1 kg/м .

Open seeds - difficult (complex) biological system. The same plants gives seeds with different morphological indication (form, size, dyeing, weight 1000 seeds), anatomical and physiological properties. The physiological properties are correlation, state of quiet, influence on the anatomy construction and chemical composition of seeds lettuce Lactuca sativa L.

The problem of the creation of investment attractive enterprises in the agricultural sphere is the main burden of the essential increasing of the food- staff production on the basis of providing the agricultural workers with the appropriate material resources and working capital. The main principles of the investment attractiveness are reviewed and the indexes of investment projects’ development of agricultural enterprises are grounded in the article.

Variations in bread volume output in accordance with external temperature factor which balancing increases obtained information reliability are considered.

There are analysed cucumber varietal resources and directions of their use. The results of the study of 400 cucumber variety samples of native- and native and foreign breeding under conditions of the open sheltered ground (spring - summer crop rotation) are elucidated. The best ones are revealed, which are characterized by early ripening, productivity, the sign of parthenocarpy.

In the article revealed the scientist basis of vegetables plants nationality varieties resource via government registering of new varieties and their right protection.

Under investigation inflluence period of sowing and presowing processing on productionity seeds of dill.

In the article there are surveyed approaches to the use of biological - ecological potential of white head cabbage plants, given parameters of varieties adaptability and economically-valuable signs variability, depending on a temperature factor, water supply. The yield prognosis is worked out.

In the article reduced outcomes of the four-years data, concerning influencing the norms of mineral fertilizers, consistency productive stalk-standing density and miscellaneous biotypes of corn on field similarity seeds. Is established, that fullest and friendly derailings was obtained at depositing a full mineral fertilizer in calculation N120P60K60.