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.
Here is a list of states where adoption records for all or some years are open. In some states, birth parents can sign a no-contact veto: 1  Alabama â Adoption records are open. 2  OmniTrace has the necessary forms you will need to open your records. 3  Alaska â Adoption records are open.