1、Application Progress of Microbial Fertilizers in Flue

The problems in the existing researches were analyzed, and the future development direction of microbial fertilizers in tobacco production was discussed. Export citation and abstract BibTeX RIS. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence.

2、Effects of Different Fertilizer Types on Tobacco Planting Soil and

With T1 and T3 treatments, the total sugar and potassium content of the flue-cured tobacco leaves was higher, the chemical composition was balanced, and the level of neutral flavor compounds was higher. Overall, the three fertilizers could improve the tobacco planting soil and the quality of tobacco leaves, especially peat.

3、Effects of Different Fertilization Measures on Chemical

Therefore, the study discussed the effects of different fertilizers and application methods on chemical composition and quality of flue-cured tobacco, in order to provide a basis for balancing fertilization in the production of characteristic flue-cured tobacco in Mengyin tobacco area.

Effect of different organic fertilizers and fertilization on flue

To explore the rational application of different organic fertilizer in zhengan tobacco-growing area, three fertilization treatments of each 300kg/hm2,600 kg/hm2 and 900kg/hm2 were set up by homemade and commodity organic fertilizer.

Effects of Different Potassium Fertilizers as Substitutes for Potassium

In summary, compared to other types of potassium fertilizers, potassium carbonate performed the best in alleviating soil acidification, increasing potassium content in tobacco, improving potassium fertilizer utilization, enhancing tobacco leaf quality, and boosting yield and income.

Effect of Different New Type Fertilizers on Soil Fertility and Flue

Abstract: Effects of different new type fertilizer on soil chemical properties and flue-cured tobacco growth were studied by way of field experiment.The results demonstrated that the contents of soil alkali hydrolyzable nitrogen and soil available potassium and soil available phosphorus and tobacco leaf area index and photosynthetic active ...

Special Compound Fertilizer for Flue

It is understood that tobacco companies around the world have special nitrogen, phosphorus and potassium compound fertilizers for flue-cured tobacco, but there is no specific nitrogen, phosphorus and potassium compound fertilizer for flue-cured tobacco variety K326

Effects of Different Chemical Fertilizer Reduction Techniques

[Objectives]This study was conducted to find out the most suitable special formula fertilizer for flue-cured tobacco production in tobacco-growing areas of Zhaotong City,so as to provide a basis for scientific fertilization and reduced application of inorganic fertilizers with improved efficiency in tobacco production in Zhaotong City.

Effects of Combined Application of Chemical Fertilizer and Microbial

[Objective] To determine the effect of microbial fertilizer combined with compound fertilizer on the chemical composition content of flue-cured tobacco leaves.

FERTILIZATION MODEL FOR FLUE

iments showed that the yield of the flue-cured tobacco reached about 2,700 kg ha-1. In addition, the recommende amount of fertilization was 30% less than the conventional fertilizer application. Therefore, the recommended amount will lower the production cost, reduce the environmental pollution caused by excess soi

Special fertilizers for flue-cured tobacco and special topdressing fertilizers are two common types of fertilizers in agricultural production. They differ in composition, function, and application methods.

I. Definitions and Uses

1. Special Fertilizer for Flue-Cured Tobacco: Designed specifically for the growth characteristics and nutritional needs of tobacco crops (e.g., flue-cured tobacco). It typically contains multiple nutrients, including major elements like nitrogen (N), phosphorus (P), and potassium (K), as well as trace elements and organic matter. Its purpose is to meet the nutritional requirements of tobacco plants, promote healthy growth, and enhance yield.

2. Special Topdressing Fertilizer: Applied periodically during the growth of tobacco plants, adjusted according to growth stages and soil nutrient conditions. Topdressing fertilizers are divided into base fertilizers (applied before planting) and topdressing fertilizers (applied during growth). The latter are tailored to the plant’s developmental stage and soil nutrient changes.

II. Composition and Functions

1. Special Fertilizer for Flue-Cured Tobacco: Formulated with a complex blend of organic fertilizers, inorganic fertilizers, and biofertilizers to address diverse nutritional needs. For example:

   • Organic fertilizers improve soil structure and microbial activity.
   • Inorganic fertilizers provide essential N, P, and K to support growth.

2. Special Topdressing Fertilizer: Tailored to specific growth stages and soil conditions. Examples:

   • Early growth: Nitrogen-rich fertilizers to support leaf development.
   • Mid-growth: Phosphorus and potassium to strengthen roots and disease resistance.
   • Late growth: Trace elements to fulfill nutritional gaps.

III. Application Methods and Timing

1. Special Fertilizer for Flue-Cured Tobacco:

   • Pre-planting: Spread evenly over prepared soil and deeply tilled to integrate with the soil.
   • During growth: Topdressed based on plant needs. Example:
     • Early stage: 5 kg/mu of urea.
     • Mid-stage: 10 kg/mu of compound fertilizer.
     • Late stage: 15 kg/mu of diammonium phosphate.

2. Special Topdressing Fertilizer:

   • Applied dynamically during growth. Example:
     • Early stage: 5 kg/mu of urea.
     • Mid-stage: 10 kg/mu of compound fertilizer.
     • Late stage: 15 kg/mu of diammonium phosphate.
   • Methods include ditch application, hole application, or foliar spraying.

IV. Effects and Impacts

1. Special Fertilizer for Flue-Cured Tobacco:

   • Targeted formulation boosts yield and quality.
   • Improves soil structure, enhances fertility, and reduces pest/disease risks.

2. Special Topdressing Fertilizer:

   • More flexible, adjusting to growth stages and soil conditions.
   • Promotes root development and disease resistance, ensuring healthy growth.

V. Recommendations and Precautions

1. For Special Fertilizer for Flue-Cured Tobacco:

   • Match fertilizer type to growth stages (e.g., nitrogen-rich for early growth, trace elements for late stages).
   • Avoid excessive nitrogen to prevent spindly growth and reduced disease resistance.

2. For Special Topdressing Fertilizer:

   • Apply based on growth stages and soil tests. Example:
     • Early stage: 5 kg/mu of urea.
     • Mid-stage: 10 kg/mu of compound fertilizer.
     • Late stage: 15 kg/mu of diammonium phosphate.
   • Avoid overuse of chemical fertilizers to minimize environmental and health impacts.

Special fertilizers for flue-cured tobacco and topdressing fertilizers differ in composition, function, and application. The former prioritizes targeted nutrition for yield and quality, while the latter offers flexibility to adapt to growth stages and soil conditions. In practice, farmers should select the appropriate fertilizer type and application method based on specific needs.