Organic fertilizers release nutrients only when the soil is warm and moist, which tends to correspond with your plantsâ times of greatest need. However, they rely on soil organisms to break down organic matter, so nutrients are released more slowly than they are from inorganic fertilizers.pplication. The nutrients and exact elements available from an organic fertilizer, such as manure or compost, can only be guessed at without laboratory testing. This means youâre giving an inexact application that may or may not meet your plantsâ needs.
Hormonal Studies. These blood tests measure the levels of following hormones: FSH, LH, human chorionic gonadotropin (hCG), and prolactin. Low levels of FSH and LH may indicate hypothalamic amenorrhea. High levels of prolactin may suggest a tumor on the pituitary gland, which can lead to amenorrhea.
More information about causes of Amenorrhea: 1  Medications, drugs, or substances causing Amenorrhea (12 listings) 2  Underlying causes of Amenorrhea. 3  Amenorrhea as a complication caused by other conditions.  Amenorrhea as a 1  symptom. Medical news summaries relating to Causes of Amenorrhea. 1  Pregnancy. 2  Breast feeding. 3  Exercise - might lead to skipping a period.  Stress - can cause menstrual 1  irregularity. Illness - can cause menstrual irregularity.  more causes...Â».