Many Modern researches indicate that we can obtain many positive effects on water when it is exposed to magnetic fields and effects on sum water properties. The research included laboratory experiments on field soil samples to determine the effect of magnetized irrigation water on the infiltration rate. The results show clear increasing in water infiltration rate when using magnetic water. Compared with normal irrigation water for all experiment. The magnetizing of water was done by passing normal water through magnetic field of intensity equal to 650 GAUSS for ones, twice, four and eight times.
Techniques for the magnetic treatment of water have become one of the most common practices for improving the agricultural sector. The effects of alternating magnetic field treatment of broad bean (Luz de Otoño) seeds and irrigation water on plant growth and yield were investigated under pot conditions. The magnetic treatments included (i) magnetically treated seeds (MTS), (ii) magnetically treated irrigation water (MTIW), and (iii) no magnetic treatment of both seeds and irrigation water, which were considered controls. Dry broad bean seeds were exposed to a magnetic field induced by an electromagnet at 165 mT for 2 and 4 min. Water for irrigation was exposed to a 165 mT magnetic field. The results showed that MTS for 2 min and MTIW led to significant increases in plant growth and yield of broad bean plants in comparison with the control plants, while MTS for 4 min and MTIW affected the most seedling attributes of the plants. It was found that the pods of MTS for 2 min and MTIW emerged 6 days earlier than those of the control plants, while the pods of MTS for 4 min and MTIW emerged 5 days after those of the control plants. The most affected parameter was the number of seeds, which increased by 21% for MTS for 2 min and MTIW compared with the control. These results suggest that MTS enhance the growth and yield of broad bean plants under pot conditions.
Computer model is made in (MATLAB) language to study the effect of deficit irrigation with saline water on the salts accumulation in soil and the effect extent of the lack of water and the salts accumulation on yield. The Model has been applied on summer crop, Maize, and it relies on the principle of balancing water and salt. The Model are uses the basic variables entered in the irrigation (climate data, crop type, soil type, and the rate of moisture depletion , irrigation level, the initial soil salinity and salinity of irrigation water). The results obtained from the program are (daily potential and adjusted Evapotranspiration, daily balance of water and salt, the quantities of irrigation water and Perfusion appointment, The rate of change of concentration of salts before and after Perfusion, electric conductivity of saturation extract at Slaking, calculating the relative defect of seasonal yield). study show when using a little amount of irrigation water we have a little salt accumulation in the soil, but the salt accumulation at the end of the season depends on the gross depth of irrigation water added. Low levels of irrigation led to lower proportional yield in the event that the impact of water shortage was bigger than the impact of irrigation water salinity on productivity, and vice versa. Formulation of mathematical equations to find the relative yield and seasonal actual Evapotranspiration because of irrigation water salinity and water shortage, under the condition of study area and determinants.
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