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New Zealand Herald, Volume XI, Issue 4045, 29 October 1874, Page 6

Rot-.tjos or Crops.—An old r'reiieii agriwiii uristgavo the following seven l-ules as the u i Uamcntal principle oi'' i citation :—l. However well a soil may Ik; prepared i- cannot long nourish crops of the same kind iu successionr without becoming exhausted. 2. Every crop impoverishes a soil more or less, acco' as more or less is restored to the soil hy the plant cultivated. !-). Perpendicular looting plants, and :-uoh as root horizo itally, ought to succeed eaeli other. >1. Plant-i of fc-hc same kind should not return too fi-Cjiiently in rotation. C>. Two plants favourable to the growth of weeds ought not to siiccei.il each other. 0. .Such plants as eminently exhaust the soil, as the grain and oil plan';*, should oidy lie sown where the land L- :n good heart. 7- 1" proportion as the :is found to exhaust itself by successive crops, plauta which are least exhausting ught to be cultivated.