Nitrogen is available to plants as either ammonium (NH4+-N) or nitrate (NO3--N). Animal manures and other organic wastes can be important sources of N for plant growth. The amount of N supplied by manure will vary with the type of livestock, handling, rate applied, and method of application.
The cost to build a septic tank system varies widely, depending on your location. According to SepticTankGuide.com, a standard or conventional gravity system for a 3-bedroom home on a level site with good soil would likely cost from $1,500 to upward of $4,000.
Cost of Mound Septic Systems. Mound septic systems are considerably more expensive than conventional septics because they require more sophisticated construction. The cost of the electric pump and sand also contributes to the total price.In most cases, budget anywhere from $10,000 to $20,000 for a mound septic system.However, keep in mind that prices vary widely based on the size of the system and soil conditions. Price also vary from region to region, from company to company, and from property to property.ost of Mound Septic Systems. Mound septic systems are considerably more expensive than conventional septics because they require more sophisticated construction. The cost of the electric pump and sand also contributes to the total price.