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Studies of some parameters of the system of automatic control of watering and fertilizer dressing of vegetables in protected cultivation

Doklady TSKHA: 16 120-127

Studies of some parameters of the system of automatic control of watering and fertilizer dressing of vegetables in protected cultivation

Accession: 017153511

Related references

Frenz, F.W., 1974: Experiences with an automatic watering-system for pot-grown vegetables in greenhouses. An automatic watering and fertilizing system for pot-grown vegetables is described, which incorporates a tensiometer and a mercury vacuum meter controlling trickle irrigation to individual pots. Tomato plants each having 6 trusses produced 6.2 kg...

Fontes, P.C.R.; Guimaraes, T.G., 1999: Fertilizer management for protected cultivation of vegetables grown in soil. Relationships between fertilizer rates and plant growth are described. The importance of soil analysis and foliar diagnosis to improve the efficacy of fertilizer applications is discussed, as well as the role of soil organic matter and the uptake...

Gluntsov, N.M.; Dmitrieva, L.V.; Zabolotnova, L.A., 1984: Determination of the fertilizer requirements of vegetables, in protected cultivation, for planned productivity. Equations are given for calculating the nutrient requirements of greenhouse vegetables and tables are presented showing the quantities of N, P2O5, K2O, Mg and CaO that are removed by 1 t of tomatoes and cucumbers, and the quantities of nutrients t...

Sato,Y.; Nakano,K.; Ohashi,S.; Onozuka,T., 2008: Development of automatic individual watering system for raising seedling period of net-melon cultivation. Watering control for raising seedling of net-melon is very difficult and needs a lot of time and hard labor of farmer. The good or poor performance in watering affects on the quality of harvested melon. The goal of this study is intended to stream...

Dellacecca, V.; Marzi, V.; Vanadia, S.; Mancini, L., 1982: Studies on the sequence of vegetables grown in protected cultivation. 1. Strawberries were grown from autumn to spring and tomatoes in summer-autumn in two 125-m2 heated glasshouses, lettuces (winter), cucumbers (spring-summer) and tomatoes (summer-autumn) were grown in two similar houses, and four crops, viz. lettuce...

Grunicheva, E.A., 1970: Studies on green vegetables grown in various types of protected cultivation. Earliness, productivity and composition were investigated in radish, lettuce, Chinese cabbage, spinach and dill cvs grown in a heated bench house, in the hydroponic section of a house, in electrically heated frames and in an unheated plastic house...

Datta, Ac, 1974: An automatic feeding and watering control system for broiler house. Journal of agricultural engineering: 11 (3) 32-36

Suzuki Y.; Chung J.H.; Oda M.; Shimura K., 1984: Studies on a capillary watering system for seedlings of fruit vegetables raised in pots. Capillary watering system was studied to reduce the labour required for watering seedlings raised in pots. Based on the effect of the watering level (distance from the water surface of the water tank to the bottom of the pot), distance from the wa...

Frenz, F.W., 1979: Fully automatic control of irrigation systems in the cultivation of decorative plants and vegetables in the greenhouse. Before automatic control can be introduced it should be considered where the crop is being grown, the manner in which water is supplied to the plants, when the crop should be watered and what might be combined with watering. The various aids and i...

Taylor, K.; Franklin, G.; Shaw, C.M., 1978: The microbiology of a new recirculatory automatic watering system compared with a conventional automatic system. Continual recirculation and filtration of drinking water prevents the contamination that often mars automatic watering systems by removing algae and fluorescent pseudomonads. Without filtration and recirculation, the algae were clearly visible aft...