High and dwarf and fat and thin with the principle of such as corn and soybeans, yellow flowers and wheat, the plant growth and development of the two groups of plants less interfere with each other, more conducive to air and light, promote early maturing and high yield.
The combination of monocotyledonous and dicotyledonous crops, such as corn, sorghum, wheat and soybeans, peanuts, cotton, and potato, can be used to both cover land and to make full use of the soil at all levels due to inconsistency in the depth of the root system. Various nutrients will not cause physical diseases due to the scarcity of a certain element, and at the same time, it will also increase the overall benefit of the unit area.
Principles of Habits Collocation The crops in field crops are highly luminous (such as cotton, wheat, rice), while some crops prefer shade (such as ginger and buttercups); some crops are drought-tolerant (such as sesame and cotton). Some crops like humid environments (such as rice, leguminous and leafy vegetables), so they should be consciously and purposefully intensively cultivated according to their respective characteristics, so that they can achieve their own adaptation and satisfaction. , thereby obtaining a higher yield and unit area of ​​total benefit than a single planting.
The principle of intercropping long-term and short-term growth allows the growth period of the main crop to be longer and the growth period of the sub-crop to be shorter, so that the effects are small, and the local effective frost-free period can be fully utilized to achieve high-yield harvest throughout the year.
The principle of profit-sharing and avoidance When considering root exudates, it is necessary to seek advantages and avoid hazards based on the relevant effects or the principle of different strains. It has been found that the chemical interaction between wheat and peas, potato and barley, garlic and cotton is harmless (or advantageous), so these crops can be matched; instead, rye and wheat, hemp and soybean, buckwheat and corn There are adverse effects between them, they cannot be planted together. (Zhu Liqing, Service Center, Dangyang Agricultural 110, Hubei Province)
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