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Does the library offer a book delivery service?
Yes, LSU Library offers book deliveries to faculty and staff only . We will deliver LSU Library books and interlibrary loan books to your departmental mailbox. Reserve and Government Document materials will not be included. To use the service, request the item through your interlibrary loan account. On the request form under "Delivery Options" select "Deliver to Departmental Mailbox." The request will arrive 1-2 business days from the date we receive the item. Heres how to get your materials delivered:
- You will need an ILLiad account to make the request.
- Once logged in, you will need to select "Deliver to Departmental Mailbox" for your Delivery Method. Books will be delivered to the departmental mailbox of the requestors within 1-2 business days. A second attempt will be made if the delivery is not successful the first time, but if the department office is inaccessible again, patrons will receive an e-mail stating the problem and asking them to come pick up their materials.
- The materials will be placed on hold and kept at the checkout desk for 7 days. If they are not picked up in this time frame, they will be returned to the collection. Be aware of the following:
- Users are responsible for returning materials back to the library.
- Materials will be checked out to the patrons library account prior to being delivered.
- The user is responsible for the items requested through this service.
- Any LSU Library books not returned or renewed within 40 days of the due date will be considered lost and the usual penalties will apply.
- A limit of eight physical material format items can be requested per day. LSU Libraries | Book Delivery Answered by: Access Services Staff

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2065107
The environmental trade-off of fertiliser, residue and catch crop management in Danish cropping systems
Context Nitrogen is an essential macronutrient in agriculture, affecting both crop yields and soil health. In Denmark, one of the most densely farmed regions in the world, excess reactive nitrogen (Nr) compounds are lost to the environment along gaseous and hydrological pathways in forms such as nitrate, ammonia, nitrogen oxides and dinitrogen.Objectives Here, we aim to assess the effect of different field management practices (fertilisation, crop residue management or cultivation of catch crops) on environmental Nr losses and the field scale soil net GHG balance (i.e., sum of soil C stock changes and direct and indirect N2O emissions).Methods For this purpose, highly detailed data from the Danish Agricultural Watershed Monitoring Program (LOOP-program; 2013–2019) were used in combination with the process-based model LandscapeDNDC.Results and conclusions The results indicate that a mixture of organic and synthetic fertilisers turns soils to a stronger net sink of GHGs (∼70 – ∼514 kgCO2−eq ha−1 yr−1) compared to exclusive use of only one type of fertiliser. In addition, incorporating crop residue and cultivation of catch crops increases the nitrogen use efficiency (NUE) by 3–11 % on average and decreases environmental Nr losses.Significance These findings emphasize the potential of targeted fertiliser, residue and catch crop management to increase the sustainability of crop production systems in Denmark.