This document summarizes common deficiency symptoms of various nutrients in different crops. It lists nitrogen, phosphorus, potassium, calcium, magnesium, sulphur, iron, boron, manganese, zinc, and molybdenum and describes symptoms of deficiencies for each, including chlorotic symptoms, blossom end rot, bitter pit, grass tetany disease, tea yellow disease, interveinal chlorosis, browning of cauliflower, black heart of sugar beet, fruit cracking, grey speck in oats, speckled yellow of sugar beet, marsh spot in peas, crinkle leaf in cotton, khaira white bud, little leaf in cotton, rosette of apple, and whiptail