fertilizer

Fuzzy expert model to assess the soil fertility for soybean production in Madhya Pradesh

Fuzzy expert model to assess the soil fertility for soyabean production in Madhya Pradesh India is an agricultural country.  Around 70 percent of the country's population are farmers.  Farmers are the backbone of the country's economy.  In this paper, we have developed a fuzzy logic-based expert model which will help suggest to the farmers the appropriate quantity and ratio of nutrients required by the soil for the proper growth of the soyabean crop in Madhya Pradesh.  This fuzzy model can assist farmers in determining the status of available pH values, electric conduct

Treatment of high-strength wastewater from ammonium and phosphate ions with the obtaining of struvite

This work reviews the main methods of nitrogen and phosphorus removal from wastewater. The method of simultaneous removal of highly concentrated nitrogen and phosphorus was analyzed by physical and chemical precipitation, forming struvite, a by-product of magnesium ammonium orthophosphate hexahydrate. Laboratory investigations were conducted on the test solutions with the concentrations of ammonium nitrogen, phosphates, ions of magnesium and calcium corresponding to the ones of relevant elements in wastewater of swine complexes located in Lviv region, Ukraine.

Using of zeolite to clean the effluents of meat enterprises

Ecological evaluation of effluents from meat enterprises shows that processing of agricultural production is accompanied by consumption of large amount of water which is saturated with organic substances and a number of biogenic elements (phosphorus and nitrogen compounds) during its industrial utilization. Effectiveness of natural sorbents klynoptylolit use for removing of such pollutants as ammonium and phosphate ions and protein fractions was theoretically substantiated and proved.