While in N, K and Mg deficiency, chlorosis appears first in _____ leaves; in S and Ca deficiency,_____ leaves are the first to be affected.
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Trace the events starting from the coming in contact of Rhizobium to a leguminous root till nodule formation. Add a note on importance of leg haemoglobin.
In which of the following, all the three are macronutrients
Which of the following is a non-symbiotic nitrogen fixing prokaryote?
Carefully observed the following figure (a) Name the technique shown in the figure and the scientist who demonstrated this technique for the first time. (b) Name atleast three plants for which this technique can be employed for their commercial production. (c) What is the significance of aerating tube and feeding funnel in this setup ?
Deficiency symptoms of readily mobilised essential elements will first appear in_____
Which of the following is not a deficiency symptoms of minerals?
Micronutrients are present in plant tissues in concentrations less than ____of dry matter.
Match column I with column II and select the correct option from the given codes: Column IA nitrosomones NitrosococcusB Nitrobacter,NitrocysticC PseudomonasColumn II(i). Ammonia to nitrite(ii). Nitrite to nitrate(iii). Nitrate to N2