crop rotation

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crop rotation

the growing of CROPS (3) in a regular sequence over a number of seasons so as not to exhaust the soil. A simple example of a rotation is root crop, oats, leguminous plants and wheat. Some or all of the leguminious crop is often ploughed back into the soil as it is of particular importance in returning nitrogen to the soil from the atmosphere through the nitrogen-fixing bacteria (see NITROGEN FIXATION in the root nodules.
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Among its provisions, the standard: 1) prohibits use of ionizing radiation in the preservation of food; 2) prohibits use of genetically engineered or modified organisms; 3) encourages maximum use of recycling; and 4) encourages maximum rotation of crops and promotion of biodiversity.
The conventional argument is laid out; the rotation of crops that required leaving part of the land fallow to replenish its nutrients was eventually replaced by rotating--in clover or turnips providing an increase in the nitrogen level to the soil and increased fodder for livestock, which in turn increased the manure for fields.
Rotation of crops has received full attention during the past number of years.
While not everyone can stick to the strict rotation of crops, on balance some rotation is recommended for cultivating healthy plants and making the most effective and economical use of fertilisers.
Traditionally, a three year rotation of crops, sometimes with a spare plot that was left fallow was used.
The rotation of crops is a must, moving vegetables from section to section each year so that specific crop diseases do not build in any one area and so that nutrients suited to particular plants do not become exhausted.
While not everyone can stick to the strict rotation of crops, on balance some rotation is recommended not only to raise healthy plants, but to make the most effective and economical use of manure and fertilisers.
The introduction of new efficient irrigation systems , the application of new technology Sustainable Land Management (modes of irrigation, application of live and dead barriers, land leveling , subsoiling soil application of organic matter ) , the correct application of rotation of crops more resistant to new conditions of salinity , water stress , etc varieties.