CityMax Group Potato Full Growth Cycle Nutrition Program

The CityMax Group Potato Full Growth Cycle Nutrition Program is designed to maximize yield, quality, and marketable tuber production through stage-specific nutrient management. By integrating humic substances, biostimulants, water-soluble fertilizers, and micronutrients, the program improves soil health, stimulates root development, supports balanced vegetative growth, enhances tuber initiation and bulking, and promotes starch accumulation. This comprehensive approach helps overcome common challenges such as soil compaction, continuous-cropping stress, and low nutrient-use efficiency, delivering stable yields, improved tuber quality, and higher economic returns for potato growers.

Potato, as the world's fourth-largest food crop, develops its yield through the coordinated process of soil health, root development, canopy growth, tuber formation, and dry matter accumulation. From emergence and root establishment to tuber initiation, bulking, and final starch accumulation, each growth stage requires different levels and balances of nutrients. Scientific nutrient management is therefore essential for achieving high yield, premium quality, and a high marketable tuber rate.

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To address common production challenges such as soil compaction, continuous-cropping obstacles, weak root systems, low nutrient-use efficiency, and uneven tuber bulking, CityMax Group has developed a comprehensive potato nutrition program. By integrating humic substances, biostimulants, water-soluble fertilizers, and secondary and micronutrients, this program provides complete nutritional support from soil improvement and root establishment to tuber enlargement and quality enhancement.

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.Nutritional Characteristics of Potato

Potato is a nutrient-demanding crop. Under high-yield production systems, the nutrient uptake ratio is approximately:

N : PO : KO = 1 : 0.5 : 1.5

Potassium is required in the largest quantity and plays a critical role in tuber initiation, enlargement, and quality development.

Nutrient requirements vary throughout the growth cycle:

* Seedling stage: promotes root establishment and vigorous early growth.
* Vegetative growth to tuber initiation: requires balanced nutrition to support canopy development.
* Tuber initiation and bulking: demands high levels of potassium, calcium, and boron to enhance tuber formation and enlargement.
* Starch accumulation stage: requires high potassium combined with amino acids and micronutrients to improve dry matter content and marketable yield.

In many potato-growing regions, continuous cropping often results in soil compaction, salinity buildup, and increased soil-borne diseases. Therefore, nutrient management should focus not only on fertilizer supply but also on soil activation and rhizosphere improvement.

. Full Growth Cycle Nutrition Program

Growth Stage

Recommended Products

Recommended Rate

(per hectare)

Application Method

Main Functions

Basal Application (Before Planting)

Well-decomposed organic fertilizer

Compound fertilizer (15-15-15)

DIMONDMAX NO.2

Organic fertilizer: As required

Compound fertilizer: 450-600 kg

DIMONDMAX NO.2: 75-150 kg

Incorporated into soil

Improves soil structure and reduces compaction; provides long-term nutrient supply; activates phosphorus and potassium and improves fertilizer efficiency

Emergence Stage (5-10 Days After Emergence)

HUMICARE - Root-Promoting Type

45-75 L/ha

Fertigation or root drench

Rapid root development and seedling establishment; improves tolerance to cold and drought stress; helps alleviate herbicide injury

Vegetative Growth Stage (Plant Height 15-25 cm)

ULTRA HUMIMAX DF

MAXGREEN (32-9-10)

ULTRA HUMIMAX DF: 15 kg/ha

MAXGREEN (32-9-10): 150 kg/ha

Fertigation

Improves root activity and soil condition; promotes vigorous vegetative growth

Early Tuber Bulking (Bud to Early Flowering Stage)

MAXGREEN (20-20-20)

Aminomax Anti-cracking

MAXGREEN (20-20-20): 150 kg/ha

Aminomax Anti-cracking: 1.5 L/ha (1:1000 dilution)

Fertigation + Foliar Spray

Supports tuber initiation; supplies calcium to reduce hollow heart and cracking; promotes cell wall formation

Mid Tuber Bulking Stage

ULTRA HUMIMAX DF

MAXGREEN (20-20-20)

ULTRA HUMIMAX DF: 15 kg/ha

MAXGREEN (20-20-20): 150 kg/ha

Fertigation

Maintains root vigor and balanced nutrition; supports stable tuber enlargement

Late Tuber Bulking Stage

MAXGREEN (13-8-34)

AMINOMIX

MAXGREEN (13-8-34): 150 kg/ha

AMINOMIX: 1 kg/ha (1:1000 dilution)

Fertigation + Foliar Spray

Provides high potassium for tuber enlargement; supplies micronutrients to delay senescence and improve tuber skin quality

Starch Accumulation Stage (Canopy Begins to Yellow)

MAXGREEN (6-12-40)

120 kg/ha

Fertigation

Promotes dry matter transfer into tubers; increases starch content and marketable yield

All liquid fertilizers are recommended for application through fertigation systems to maximize nutrient-use efficiency.

Foliar fertilizers may be tank-mixed with compatible low-toxicity fungicides or insecticides. Avoid mixing with strongly alkaline pesticides.

Humc-acid-based products should not be mixed directly with conventional calcium or magnesium fertilizers to prevent precipitation and irrigation system blockage.

. Key Product Specifications and Functions

Product

Technical Specifications

Main Benefits

DIMONDMAX NO.2

Bacillus subtilis + Bacillus licheniformis + Paenibacillus mucilaginosus greater than or equal to 1 times 10 CFU/gHumic Acid: 18%

SiO: 15%CaO: 7%MgO: 3%Fe: 1.5%

Activates soil, chelates micronutrients, and improves fertilizer-use efficiency

HUMICARE - Root-Promoting Type

N+PO+KO greater than or equal to 250 g/L

(120-80-50)

Seaweed Extract greater than or equal to 150 g/L

B + Zn greater than or equal to 5 g/L

Promotes rapid rooting and seedling establishment; enhances stress tolerance

ULTRA HUMIMAX DF

Humic Acid greater than or equal to 40%

N-P-K = 4-2-14

O-Fe+Cu+Zn+B+Mn greater than or equal to 4%

Improves root health, enhances soil microbial activity, and delays premature aging

MAXGREEN (32-9-10)

N-P-K = 32-9-10 + TE

O-NMT Biostimulant: 3%

High-nitrogen formula for vigorous vegetative growth

MAXGREEN (20-20-20)

N-P-K = 20-20-20 + TE

O-NMT Biostimulant: 3%

Balanced nutrition for sustained growth and delayed senescence

MAXGREEN (13-8-34)

N-P-K = 13-8-34 + TE

O-NMT Biostimulant: 3%

High-potassium nutrition for tuber enlargement and carbohydrate accumulation

MAXGREEN

(6-12-40)

N-P-K = 6-12-40 + TE

O-NMT Biostimulant: 3%

High-potassium formula promoting dry matter and starch accumulation

Aminomax Anti-cracking

Ca greater than or equal to 130 g/L

B greater than or equal to 10 g/L

Polyols greater than or equal to 85 g/L

Amino Acids greater than or equal to 100 g/L

Prevents hollow heart and cracking; improves tuber quality and marketability

AMINOMIX

Total Amino Acids greater than or equal to 35%

Free Amino Acids greater than or equal to 10%

Fe+Zn+Cu+B+Mn greater than or equal to 10%

Prevents micronutrient deficiencies, delays senescence, and improves yield and quality

Media Contact
Company Name: Citymax group
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Country: China
Website: https://www.citymax-group.com/

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