Research has shown that. corn planted in twin- rows has more equidistant (EQ) plant. spacing, which should minimize the effects of water, nutrients, and light interception competition among plants, especially. early in the season and before a complete canopy is formed.
Morning erections are not just dependent on DHT and testosterone, however, and the evidence points to the critical role of nitric oxide as well. Nitric oxide within the corpus cavernosum, the erection cavity within the penis is what dilates the penile arteries and causes the morning erections. 1. Testosterone.
As an autonomic nervous system response, an erection may result from a variety of stimuli, including sexual stimulation and sexual arousal, and is therefore not entirely under conscious control. Erections during sleep or upon waking up are known as nocturnal penile tumescence (NPT). Absence of nocturnal erection is commonly used to distinguish between physical and psychological causes of erectile dysfunction and impotence.