ROTATION OF CROPS.
Experience and chemical analysis agree in one point, 1 that different crops do not abstract from the soil the same elements of fertility. Hence, a single crop, as wheat, long seeded on the same land, deteriorates bothin quantity and quality. This gives rise to the custom of resting the land one or more years, so that the frost, sun, air and rain may, disintegrate the particles of plant food in it, and render them'assimilable by the plant. In addition, ( much free ammonia in the air is carried down into the soil by the rains and snows, and is held in it by virtue of new chemical combinations. Such being the faot, it is evident that the longer the land lies idle, or is planted in crops succeeding each other that do not call for the same elements of plant food, or, if they do, not in the same proportion, the larger the crops. In saying this it is not intended to discourage the use of manures, or fertilisers, that contain these elements. The idea' is to add to them in the least expensive way.
Permanent link to this item
Hononga pūmau ki tēnei tūemi
https://paperspast.natlib.govt.nz/newspapers/TAN18890413.2.24
Bibliographic details
Ngā taipitopito pukapuka
Te Aroha News, Volume VI, Issue 359, 13 April 1889, Page 3
Word count
Tapeke kupu
187ROTATION OF CROPS. Te Aroha News, Volume VI, Issue 359, 13 April 1889, Page 3
Using this item
Te whakamahi i tēnei tūemi
No known copyright (New Zealand)
To the best of the National Library of New Zealand’s knowledge, under New Zealand law, there is no copyright in this item in New Zealand.
You can copy this item, share it, and post it on a blog or website. It can be modified, remixed and built upon. It can be used commercially. If reproducing this item, it is helpful to include the source.
For further information please refer to the Copyright guide.
Log in