The PSNT nitrogen soil test is designed to be used in growing ________.
A) turfgrass
B) fruit trees
C) alfalfa
D) corn
E) any of the above
Question 2
In recent years, a soil test for nitrogen has been developed and widely used in humid regions in predicting how much nitrogen will need to be applied to supplement natural mineralization in the soil. This test is called the ________.
A) soil nitrogen partial analysis (SNPA)
B) diagnosis and recommendation integrated system (DRIS)
C) Mehlich II nitrogen test
D) pre-sidedress nitrate test (PSNT)
E) Differential Nitrate Extraction Test (DNET)
Relationship between fruit radius and beak length in populations of native and introduced species of
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