Likewise, assuming a fertilizer application rate of 40 â 80 kg total N per acre per year for agricultural crops, fertilizer can add 10,000 â 20,000 kg of total N in 1 square kilometer (247 acres).It is important to note that most of the fertilizer N will be taken up by plants.ikewise, assuming a fertilizer application rate of 40 â 80 kg total N per acre per year for agricultural crops, fertilizer can add 10,000 â 20,000 kg of total N in 1 square kilometer (247 acres).
Open adoption. Open adoption is a form of adoption in which the biological and adoptive families have access to varying degrees of each other's personal information and have an option of contact.
1 Over 1,100 families have donated their remaining embryos through Snowflakes (sometimes referred to as leftover, excess, unused embryos)â allowing them to choose the family for their embryo gift. 2  Embryo adoption is a low-cost adoption option, allowing you to experience pregnancy and give birth to your adopted child.