Likewise, fields used for growing sugar or tobacco are assets requiring continued energy investment. If the Cuban government were to stop plowing fields and adding fertilizer to restore lost nutrients,1nature would take care of the problem in its own way–acacia(a type of nitrogen-fixing shrub/t...
such as bermudagrass pasture, nitrogen utilization from manure will likely be close to 50%. In both cases, producers should base application rates on the P and K needs of the grass, and supplement additional N fertilizer to meet the N needs of the grass...