Do you notice the carbon nutrition when growing vegetables in the shed?
It is well known that carbon is the first of the six essential elements for plants. Carbon accounts for 58% of crop organic matter and 30% to 35% of dry matter. Certain carbon sources are needed for crop photosynthesis and microbial reproduction and metabolism. When carbon is deficient, it will cause the imbalance of carbon and nitrogen, and then affect the plant, soil and so on. So in vegetable cultivation, have you noticed the importance of carbon nutrition?
Fact: when chemical fertilizer is applied, carbon becomes a deficiency.
The carbon needed by crops is mainly absorbed by leaf stomata and converted into carbohydrates by chlorophyll photosynthesis, which forms the internal tissue of crops. The root of the plant also absorbs the carbon dissolved in water directly from the organic matter in the soil, and inputs it into the plant through another electrochemical reaction to form the internal tissue of the plant, mainly cellulose, lignin, sugar and so on. In the original ecological environment, all the plant species formed for hundreds of millions of years have formed a certain balanced and complementary proportion of carbon from the air and carbon from the soil.
But in the actual production, especially in the case of neglecting the application of organic fertilizer and partial application of chemical fertilizer, this mechanism has been destroyed. This leads to some problems, such as thinning of crop leaves, deficiency of stem (less dry matter), poor taste, easy disease and premature senescence of plants. This in turn proves that the absorption of carbon dioxide by crop stomata can not replace the absorption of water-soluble carbon by roots. When there is serious stress in the environment, such as continuous rain, or abnormal temperature (especially cold and hot), and planting in plastic greenhouses, crops cannot carry out normal photosynthesis, or need to support a large amount of extra energy. the role of roots absorbing water-soluble carbon is even more indispensable and irreplaceable.
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