Crop Portfolio Optimization and Collaboration
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According to the types, biological characteristics, and epidemiological patterns of pathogens of different crops, crops with different diseases are selected and combined to form a barrier for disease transmission in the field, which can play a role in the disease. Physical obstruction and dilution of pathogens reduce the occurrence of disease hazards. At present, the main combinations are corn and potatoes, rape and broad beans, barley and wheat. The combination of crop mix and crop growth depends on the different needs of different crops for nutrients and water use, and the combination of complementary crops with nutrient water use is selected so that the nutrient water of the farmland can be more fully utilized and the crop population can be improved in nutrient moisture. Complementary use, enhance crop growth potential, improve disease resistance, reduce the occurrence of disease hazards. At present, there are major combinations of wheat and broad beans, barley and broad beans. Three-dimensional coordination of crop plant communities According to the differences in plant height among different crops, the combination of high-stem crops with dwarf, hi-light crops and hi-yellow crops was selected to create three-dimensional plant communities in the field, enhancing photothermal utilization and ventilation. Reduce the humidity in the field and the morning exposed area on the plant surface, change the conditions conducive to disease occurrence in the micro-environment of the farmland, and reduce the epidemic hazards of crop diseases. Complementary Benefits of Crop Combinations On the basis of ensuring food security, according to crop planting structure adjustments and the need to increase farmers' income, food crops and economic crops are selected for planting, so that the farmer's benefits are complementary. The main mixes are wheat and vegetables, barley and peas, wheat and broad beans.