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Cotton Whole-Process Nutrition Regulation Technology Scheme

Growth Stage

Sowing Stage

Seedling Stage

Squaring Stage

Flowering & Boll Stage

Boll Opening Stage

Organ Development

Root, Stem & Leaf Growth

Square Development

Flower & Boll Development

Boll Development

Yield Formation

Determines Plants per Mu

Determines Square Number

Determines Boll Number & Single Boll Weight

Determines Single Boll Weight

Management Points

Promote early & robust emergence, uniform seedlings

1. Promote early and uniform emergence

2. Promote rooting, increase proportion of strong seedlings

3. Chemical regulation for uniform seedlings, reduce size disparity

1. Promote early squaring

2. Promote square development: more, larger, stronger squares

3. Supplement zinc fertilizer

4. Chemical regulation for plant shaping

1. Promote early flowering and boll setting

2. Promote boll development and enlargement

3. Pruning and shaping, delay canopy closure

4. Supplement boron fertilizer

5. Timely topping

1. Timely defoliation and maturity acceleration

2. Prevent premature senescence

Solutions

Rooting & Emergence Promotion

Rooting, Seedling Strengthening & Square Promotion

Shaping & Abscission Prevention

Abscission Prevention, Shaping & Topping 

Defoliation & Maturity Acceleration

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