How to improve the saline-alkali land can make wheat high-yield? The so-called saline-alkali land refers to the area where the salt contained in the soil affects the normal growth of crops. China's saline-alkali land is as high as 99.13 million hectares. Recently, many people have advocated the improvement of saline-alkali soil and then planted economic crops. Experts said that the initial focus of soil improvement in saline-alkali soil should be to improve the soil moisture status, first draining salt, washing salt, and reducing soil salt content.
How to grow wheat in saline-alkali soil? In addition to the improved soil introduced above, it is necessary to apply organic fertilizer in fertilization. In the application of chemical fertilizers in saline-alkaline wheat, it is necessary to pay attention to the application of organic fertilizers, which can not only supplement a variety of nutrients, but also help to reduce the concentration of soil solutions and reduce the damage caused by the application of chemical fertilizers.
Ammonium sulfate is a physiological acid fertilizer. After the ammonium is absorbed by wheat, the residual sulfate can reduce the alkalinity of the salt and alkali, and is also suitable for application; alkaline fertilizers such as lime nitrogen and grass ash are not suitable for application on saline soil.
The nature of chemical fertilizers is acidic, alkaline and neutral. For example, urea, ammonium hydrogencarbonate, ammonium nitrate, etc. do not leave any impurities in the soil, and do not increase the salt and alkalinity in the soil, and are suitable for application on saline soil. Acidic, neutral fertilizers can be applied on saline soils, while alkaline fertilizers should be avoided on saline soils.
Sodium nitrate is also a physiological alkaline fertilizer. After the nitrate ions in the whole are absorbed by the wheat, the residual sodium not only increases the soil salinity, but also increases the alkalinity of the soil and makes the soil worse. For the application of phosphate fertilizer to saltland wheat, superphosphate should be used. It is also suitable to apply ammonium chloride in saline-alkaline wheat to avoid the increase of salt and affect the growth of wheat. Calcium, magnesium and phosphate fertilizers have no effect, but will increase the alkalinity of saline-alkali soil.
How to grow wheat in saline soil? Fertilization techniques should be emphasized in the fertilization of saline-alkali soil. In general, it is to do a good job of “small and deep buried many timesâ€. The application of chemical fertilizers in saline-alkali wheat is different from the general good, and it should be noted that a small amount of application should be applied in a small amount to avoid the excessive concentration of the soil solution, which affects the absorption and growth of wheat.
How to grow wheat in saline-alkali soil? In addition to the improved soil introduced above, it is necessary to apply organic fertilizer in fertilization. In the application of chemical fertilizers in saline-alkaline wheat, it is necessary to pay attention to the application of organic fertilizers, which can not only supplement a variety of nutrients, but also help to reduce the concentration of soil solutions and reduce the damage caused by the application of chemical fertilizers.
Ammonium sulfate is a physiological acid fertilizer. After the ammonium is absorbed by wheat, the residual sulfate can reduce the alkalinity of the salt and alkali, and is also suitable for application; alkaline fertilizers such as lime nitrogen and grass ash are not suitable for application on saline soil.
The nature of chemical fertilizers is acidic, alkaline and neutral. For example, urea, ammonium hydrogencarbonate, ammonium nitrate, etc. do not leave any impurities in the soil, and do not increase the salt and alkalinity in the soil, and are suitable for application on saline soil. Acidic, neutral fertilizers can be applied on saline soils, while alkaline fertilizers should be avoided on saline soils.
Sodium nitrate is also a physiological alkaline fertilizer. After the nitrate ions in the whole are absorbed by the wheat, the residual sodium not only increases the soil salinity, but also increases the alkalinity of the soil and makes the soil worse. For the application of phosphate fertilizer to saltland wheat, superphosphate should be used. It is also suitable to apply ammonium chloride in saline-alkaline wheat to avoid the increase of salt and affect the growth of wheat. Calcium, magnesium and phosphate fertilizers have no effect, but will increase the alkalinity of saline-alkali soil.
How to grow wheat in saline soil? Fertilization techniques should be emphasized in the fertilization of saline-alkali soil. In general, it is to do a good job of “small and deep buried many timesâ€. The application of chemical fertilizers in saline-alkali wheat is different from the general good, and it should be noted that a small amount of application should be applied in a small amount to avoid the excessive concentration of the soil solution, which affects the absorption and growth of wheat.
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