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.
References in periodicals archive ?
Different plants have different soil microbial communities, and crop rotation provides greater concentration and diversity of organic materials, both of which may lead to greater diversity of microbial communities.
But avoidance and crop rotation may not always be economically feasible.
The CAP reforms will allow member states to operate their own environmental benefit schemes if they can demonstrate that they provide equivalent benefits to the EU's crop rotation, permanent pasture and ecological focus area prescriptions.
But I know through experience that crop rotation is extremely effective in producing healthy crops for farmers here in the Midwest, and these same principles hold true for wildlife food plots everywhere.
So crop rotation, invented by farmers before the days of pesticides, is a good way to maintain soil hygiene and keep it evenly balanced, with the addition of lots of organic matter when needed.
Crop rotation traditionally took care of the problem.
In this online guide, browsable by topic, you'll find comprehensive, authoritative information on watering, weeding, mulching, crop rotation, season extension and dozens of other tasks, all with an eye toward sustainability and efficiency.
Rosling A, Alstrom S, Chai B, Hogberg N (2012) Different crop rotation systems as drivers of change in soil bacterial community structure and yield of rice, Oryza sativa.
Unlike the transplanted black nightshade, the ones planted directly in the bed are usually harvested by uprooting.The plants could be attacked by Tuta absoluta and leaf miner pests, which can be controlled by crop rotation, the use of pheromones such as pherodis tuta and other chemicals like emamectin benzoate and indoxocarb.
The law aims to preserve the fertility of agricultural land by maintaining an effective crop rotation. According to him, owners and tenants of agricultural land plots with an area of ??100 hectares or more must provide at least 10% of the crops of perennial leguminous grasses and legumes in the total area of ??crops.
Techniques described include no-till planting, crop rotation, less pesticides and fertilizer, less fossil fuels, and less water.
* Set national goals to eliminate all "high-risk" (that is, man-made) pesticides and institute "Integrated Pest Management" controls that would require crop rotation, natural predators, and the like by the year 2000.