Agriculture - Single MCQs (Page 68)

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Q671. Humus colloids are composed basically of?...Q672. Smectite groups include?...Q673. How many orders are included in the 7th Approximation system of soil classificat...Q674. Horizontal layers in the soil profile are known as?...Q675. Hilly soils are low in lime and ?...Q676. Highly available form of phosphorus at pH 7.5 is?...Q677. Heterotrophic organisms obtain energy from the biological oxidation of?...Q678. Gypsum an amendment applied to alkali soil belongs to ______ type?...Q679. Gypsum requirement of the soil can be determined by 344-N( A-B ) in which N is e...Q680. Group of legume plant that develops nodules when exposed to bacteria nodules obt...