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.
Contact with birth families allows adopted children to maintain access to medical, genealogical and family histories. Youth in open adoptions also have a better understanding of the meaning of adoption and more active communication about adoption with their adoptive parents.