Crop rotation is important in agronomy because it can help to reduce soil-borne diseases, improve soil fertility, and control pests and weeds. By rotating crops, different nutrient demands and root exudates can be provided to the soil, helping to maintain soil health and productivity. Additionally, different crops can be used to suppress specific pests and weeds, reducing the need for chemical inputs.
When crop rotation is practiced there is a multiple of benefits. In my country maize became a dominant crop. The continous monoculture leads to many drawbacks.
If maize is preceded by a soybean crop the yield of maize increases some 20%. But the need for Nitrogen is reduced by well over 50%.
Soybean requires no supplemental nitrogen and the rotation effect on maize can reduce the supplemental ninogen about one half.
Also because supplemental Nitrogen is greatly reduced the need liming can be also.
The soybean crop loosens the soil making tilliage less problematic.
Nutrition of a soybean maize rotation provides a source of balanced protein in an animal ration.
If maize proceeded soybean the soybean yield can be increased about 20% also from the rotation.
Rotatation effect also reduces weed insect pest and disease issues.
Areas for animals on a pasture system can be rotated to crop production and animal disease and pests are reduced and the crop protection and production greatly aided. These mixed crop and animal systems are particularliy useful for increasing soil organic matter which counteracts global warming issues for excessive greenhouse gas liberation.
Crop rotation is the foundation of sustainable agriculture. The absence or non-observance of crop rotation for a long period leads to disruption of soil processes, fertility, loss of humus, and a decrease in microbiological activity. The antagonist of crop rotation is monoculture or permanent crops, as a result, - soillessness - a complex factor in reducing effective fertility.
Also, take a look at this:
Article The role of crop rotations in determining soil structure and...
Crop rotation is a critical aspect of agronomy and plays an essential role in sustainable agriculture. Crop rotation refers to the practice of growing different crops in a specific sequence on the same piece of land over time. There are several reasons why crop rotation is important:
I agree with Fayaz Hussain that crop rotation helps return nutrients to the soil without synthetic inputs. The practice also works to interrupt pest and disease cycles, improve soil health by increasing biomass from different crops' root structures, and increase biodiversity on the farm. Crop rotation contributes to increased yields through improved soil nutrition. By requiring planting and harvesting of different crops at different times, more land can be farmed with the same amount of machinery and labour. Crop rotation is helpful in long-term soil and farm management. Rotating different crops can break pest cycles and add extra nutrients to the soil. Crop rotations build soil fertility, preserve the environment, control weeds, diseases, and insects, and add to crop and market diversity. Crop rotation, the successive cultivation of different crops in a specified order on the same fields, in contrast to a one-crop system or to haphazard crop successions. Crop rotation replaces a crop that is susceptible to a serious pest with another crop that is not susceptible. Each food crop comes with its own set of pests that attack that particular crop. By planting a different crop each time, the farmer is able to starve out those pests. Crop rotation aids in preserving the structure and nutrient content of the soil as well as helping to keep pests that are carried by the soil from colonizing the garden. As the same nutrients are repeatedly consumed when a single crop is planted in the same location each year, the soil structure slowly deteriorates. The process of crop rotation is primarily used to replenish the different types of nutrients by cultivating different crops. It increases soil fertility and in turn increases the yield of the crops. Crop rotation helps to reduce soil erosion and restore the physico-chemical balance of the soil.
Preserving biodiversity and sustainable agriculture - Reducing soil degradation and preserving its fertility- Reducing the spread of diseases and insect injuries and increase crop productivity
crop rotation have different advantages in crop production. some of them as follows:
1. it is important to manage insect pests, disease
2. it important to efficient utilization of resources such as moisture and nutrient
3. it is also used to keep soil health (improve quality of soil)
4. it also allows to produce different type of crops
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