Effects of Balanced Application of Organic and Sulfur Fertilizers on Flue-cured Tobacco Quality
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Therefore sulfur has many important physiological functions in the plant growth development and metabolism . And the sulfur fertilizer is considered as the fourth fertilizer after the nitrogen phosphorus and potassium fertilizers .
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In field trials sulfur fertilizers could increase crops yield such as winter wheat corn soybean oil seed rape and rice .
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Pollution controls intensified cropping and the absence of sulfur from high-analysis fertilizers are combining to produce a growing worldwide deficiency in soil sulfur ;
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Updating Technology for Producing Various Sulfur or Chlorine-Based Compound Fertilizers from Sulfur-Based Compound Fertilizer Unit
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Sulfur deficiency is increasing seriously over the past two decades worldwide mainly because of the reduction of sulfur dioxide emission from power plants and various industrial sources increasing use of low-S-containing fertilizers and decreasing use of S-containing fungicides and pesticides .
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Sulfur fertilizers can improve crop yields and quality and also decrease them if applied properly .
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Introduction to Sulfur Fertilizers in the World
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Among the application of three kinds of sulfur fertilizers the application of gypsum has the biggest yield increase and the application of sulfur has the best benefit .
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Sulfur Status and Effectiveness of Sulfur Fertilizers in the Main Soybean-planted Soils in Liaoning Province
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Effects of different calcium sulfur boron and zinc fertilizers on yields and quality of longan
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The demand for sulfur fertilizers in the world is outlined a presentation is given of the properties and characteristics of various sulfur fertilizers as well as the factors affecting the fertilizer efficiency of the sulfur fertilizers and suggestions are offered on the strategy of their supply .
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An introduction is given to the practical significance of the development of sulfur-containing fertilizers and the present varieties of sulfur fertilizers and the technological process for sulfur-coated urea and its characteristics are presented in detail .
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A long term field experiment had been conducted in a red soil in Qiyang from 1975 to 2000.The results obtained were as follows the soil became more acidic after long term application chloride containing fertilizers or sulfur containing fertilizers .
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Development of Sulfur Fertilizers : the Only Way to Increase Output and Improve Quality in Agriculture and Livestock Husbandry
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If sulfur fertilizers increased to 225.0 kg / hm2 yield and income decreased 18.77 % 17.14 % respectively compared with the treatment of 75.0 kg / hm2 the ratio of high - rate leaves also decreased by 9.9 % .
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Sulfur is getting deficient in Chinese soils therefore the author suggests sulfur must be taken into account in production of compound fertilizers .
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The damages on crop resulted from sulfur deficiency and the good effects of sulfur application are listed and the methods to determine the symptoms of crops are gave when sulfur is deficient Chinese sulfur resource and sulfurous fertilizers are introduced .
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The development study and application of sulfur fertilizers at home and abroad are described comprehensively .
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[化] 硫肥