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The results showed that N fertilizer was the limiting factor for crop yield and that excessive levels of P were stored in the agricultural soils of the DRW. An N fertilizer application rate of approximately 40% of the current rate was suggested to balance water quality and environmental protection with crop production. The long-term impact of legacy P was investigated with a 100-year future simulation that showed the crop growth could maintain for 12 years even after P fertilization ceased. Our study highlights the need to consider so

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ADHD Adult Test - Find Out If You Have Any of These Symptoms The test for adults who have ADHD is a simple self-assessment test of six signs that are frequently associated with ADHD. It takes less than five minutes to take and is a great way to find out whether you have any signs of this disorder. This quiz is not a diagnostic test and it should not be used to make a decision on a treatment plan. It can help you determine whether you need further support. Symptoms ADHD is an illness that causes issues in the way that people think, behave and act. The