Rice is a typical silicon-loving crop,known as"representative of silicic acid plant".Southeast Asia and other rice-producing countries have listed silicon fertilizer as the fourth most elemental fertilizer a...Rice is a typical silicon-loving crop,known as"representative of silicic acid plant".Southeast Asia and other rice-producing countries have listed silicon fertilizer as the fourth most elemental fertilizer after nitrogen,phosphorus and potassium.Therefore,improving the utilization of soil silicon and promoting the transformation of soil silicon form is of great significance to the growth of rice and the development of agriculture.In order to investigate the effects of silicon preparations on different forms of silicon in soil and silicon contenst in rice plants,a pot experiment with Dongnong 427 was carried out,spraying on rice leaves at the booting stage,and three treatment groups(Si-TG,Si-EG and Si-60G)and a control group(CK)were set up.The contents of available silicon,water-soluble silicon,amorphous silicon,active silicon in soil and plant silicon were measured at the heading stage and the maturity stage of rice,then the effect of silicon preparation on the silicon content of rice soil and plant was analyzed.The results showed that spraying silicon preparation could significantly improve the silicon content of rice plants,promote the transformation of silicon forms in soil to varying degrees,and improve the silicon supply capacity of soil.Compared with CK,the soil available silicon content increased by 7.42%-8.26%at the heading stage and 6.70%at the maturity stage.The Si-EG treatment at the heading stage had the best effect on increasing the available silicon content of the soil,which was 8.26%higher than that of CK,reaching a significant level;the Si-TG treatment at the maturity stage had the best effect on increasing the silicon content of the plant,and the silicon content of the plant was 27.17%higher than that of CK,reaching a significant level.展开更多
Soybean Dongnong 42 from northeast of China was used as an experimental material.The samples were tested by spraying different concentrations of LaCl3,CeCl3 and LaCl3+CeCl3 solutions on the leaves at the seedling stag...Soybean Dongnong 42 from northeast of China was used as an experimental material.The samples were tested by spraying different concentrations of LaCl3,CeCl3 and LaCl3+CeCl3 solutions on the leaves at the seedling stage and the early flowering stage of the soybeans.Gas chromatography was used to determine the fatty acid content and ratio of the soybean seeds at the maturity stage.The fatty acid ratio of soybean seeds were evaluated by calculating saturated fatty acid(SFA),monounsaturated fatty acid(MUFA),polyunsaturated fatty acid(PUFA),unsaturated fatty acids(UFA),UFA/SFA,index unsaturated fatty acid(IUFA)and double bond index(DBI).(MUFA+PUFA)/SFA was used to study the effects of rare earths on the quality of soybean seeds.The results showed that spraying the rare earth solution could significantly optimize the fatty acid distribution ratio of soybean seeds.Compared with the control group(CK),stearic acid was reduced by 5%and linolenic acid was reduced by 3.72%.Except for La10,the oleic acid content increased significantly by 2.22%.Under the treatment of 30 mg·L^(−1) CeCl3,UFA,UFA/SFA and DBI were 83.56,5.08 and 9.47,respectively,which were the highest in each group.Under the treatment of 150 mg·L^(−1) LaCl3,(MUFA+PUFA)/SFA was 4.89,the closest meal to the recommended ratio.The above results showed that spraying appropriate concentrations of rare earth at the seedling stage and the early flowering stage could optimize the fatty acid ratio of soybean seeds and improve dietary fatty acid ratios.展开更多
Cubital tunnel syndrome is a disease in which ulnar nerve is compressed by its surrounding tissues,and its main clinical manifestations are pain,sensory disturbance and dyskinesia.Its incidence rate is the second high...Cubital tunnel syndrome is a disease in which ulnar nerve is compressed by its surrounding tissues,and its main clinical manifestations are pain,sensory disturbance and dyskinesia.Its incidence rate is the second highest among peripheral nerve entrapment diseases,and it is one of the common clinical diseases.The theory of liver,spleen and kidney can guide the treatment of cubital tunnel syndrome with traditional Chinese medicine and acupuncture.By discussing the traditional Chinese medicine(TCM)pathogenesis and treatment principles of cubital tunnel syndrome,it provides modern medical theoretical support for TCM treatment of cubital tunnel syndrome.展开更多
基金Supported by the New Ideas Team and the Doctoral Research Foundation of Northeast Agricultural University(Topic CXZ003,20082010)the Scientific Research Fund of Heilongjiang Provincial Education Department(11551067)。
文摘Rice is a typical silicon-loving crop,known as"representative of silicic acid plant".Southeast Asia and other rice-producing countries have listed silicon fertilizer as the fourth most elemental fertilizer after nitrogen,phosphorus and potassium.Therefore,improving the utilization of soil silicon and promoting the transformation of soil silicon form is of great significance to the growth of rice and the development of agriculture.In order to investigate the effects of silicon preparations on different forms of silicon in soil and silicon contenst in rice plants,a pot experiment with Dongnong 427 was carried out,spraying on rice leaves at the booting stage,and three treatment groups(Si-TG,Si-EG and Si-60G)and a control group(CK)were set up.The contents of available silicon,water-soluble silicon,amorphous silicon,active silicon in soil and plant silicon were measured at the heading stage and the maturity stage of rice,then the effect of silicon preparation on the silicon content of rice soil and plant was analyzed.The results showed that spraying silicon preparation could significantly improve the silicon content of rice plants,promote the transformation of silicon forms in soil to varying degrees,and improve the silicon supply capacity of soil.Compared with CK,the soil available silicon content increased by 7.42%-8.26%at the heading stage and 6.70%at the maturity stage.The Si-EG treatment at the heading stage had the best effect on increasing the available silicon content of the soil,which was 8.26%higher than that of CK,reaching a significant level;the Si-TG treatment at the maturity stage had the best effect on increasing the silicon content of the plant,and the silicon content of the plant was 27.17%higher than that of CK,reaching a significant level.
基金Supported by the National Natural Science Foundation of China(31471440)。
文摘Soybean Dongnong 42 from northeast of China was used as an experimental material.The samples were tested by spraying different concentrations of LaCl3,CeCl3 and LaCl3+CeCl3 solutions on the leaves at the seedling stage and the early flowering stage of the soybeans.Gas chromatography was used to determine the fatty acid content and ratio of the soybean seeds at the maturity stage.The fatty acid ratio of soybean seeds were evaluated by calculating saturated fatty acid(SFA),monounsaturated fatty acid(MUFA),polyunsaturated fatty acid(PUFA),unsaturated fatty acids(UFA),UFA/SFA,index unsaturated fatty acid(IUFA)and double bond index(DBI).(MUFA+PUFA)/SFA was used to study the effects of rare earths on the quality of soybean seeds.The results showed that spraying the rare earth solution could significantly optimize the fatty acid distribution ratio of soybean seeds.Compared with the control group(CK),stearic acid was reduced by 5%and linolenic acid was reduced by 3.72%.Except for La10,the oleic acid content increased significantly by 2.22%.Under the treatment of 30 mg·L^(−1) CeCl3,UFA,UFA/SFA and DBI were 83.56,5.08 and 9.47,respectively,which were the highest in each group.Under the treatment of 150 mg·L^(−1) LaCl3,(MUFA+PUFA)/SFA was 4.89,the closest meal to the recommended ratio.The above results showed that spraying appropriate concentrations of rare earth at the seedling stage and the early flowering stage could optimize the fatty acid ratio of soybean seeds and improve dietary fatty acid ratios.
基金TCM science and Technology project of Hebei Provincial Administration of Traditional Chinese Medicine in 2021(No.2021352):The therapeutic effect of cubital tunnel expansion plasty combined with Huangqi Guizhi Wuwu Decoction on cubital tunnel syndrome。
文摘Cubital tunnel syndrome is a disease in which ulnar nerve is compressed by its surrounding tissues,and its main clinical manifestations are pain,sensory disturbance and dyskinesia.Its incidence rate is the second highest among peripheral nerve entrapment diseases,and it is one of the common clinical diseases.The theory of liver,spleen and kidney can guide the treatment of cubital tunnel syndrome with traditional Chinese medicine and acupuncture.By discussing the traditional Chinese medicine(TCM)pathogenesis and treatment principles of cubital tunnel syndrome,it provides modern medical theoretical support for TCM treatment of cubital tunnel syndrome.
