## rotations

Noun

- plural form of
*rotation*

- One form, and he isolated a, 13 and y varieties with specific
**rotations**of 105°, 52.5° and 22°. - If the primary wave be represented by = e-ikx the component
**rotations**in the secondary wave are '1'3= P (- AN y) N r2 ' cwi= r x D y N 'y)' lw2=P (- AD + 6,N z2 - x2 ' D r N r2 where ik3T e-ikr _ P - 4 r The expression for the resultant rotation in the general case would be rather complicated, and is not needed for our purpose. - The Emilian region is one where regular
**rotations**are best observeda common shift being grain, maize, clover, beans and vetches, &c., grain, which has the disadvantage of the grain crops succeeding, each other. - It seems certain that success in any system involving a more extended growth of leguminous crops in
**rotations**must be dependent on a considerable variation in the description grown. - Although many different
**rotations**of crops are practised, they may for the most part be considered as little more than local adaptations of the system of alternating root-crops and leguminous crops with cereal crops, as exemplified in the old four-course rotation - roots, barley, clover, wheat.

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