Plant Disease Improvement: Professional Solutions for Soil Continuous Cropping Obstacles and Crop Diseases

New Sun Oversea specializes in soil improvement using the "bacteria control bacteria" concept, enabling ginger to overcome continuous cropping obstacles without fallow periods, while simultaneously solving ginger soft rot and nematode problems. Restores soil fertility and promotes root development, can control banana fusarium wilt.

For high-value crops like ginger, besides continuous cropping obstacles, there are also ginger soft rot and nematode problems. Traditional fallow and crop rotation methods, as well as general probiotics, cannot solve these issues. Therefore, New Sun Oversea adopts NS BIO microbial technology and successfully developed related application products, including Agricultural Active Water and Enhanced Biological Humus. NS BIO can completely solve soil fertility problems, enabling continuous ginger cultivation without fallow periods, while simultaneously solving ginger soft rot and nematode problems. Additionally, it can effectively control banana fusarium wilt, restore soil fertility, and promote root development to increase crop yield.

1 Can Solve Soil Continuous Cropping Obstacles

What are Soil Continuous Cropping Obstacles?

Agricultural production quality is inseparable from soil quality. The use of chemical fertilizers and pesticides once increased agricultural yields, but also left problems such as low organic matter, fertilizer damage, pesticide damage, increased pathogen resistance, and collapsed soil ecosystems. Damaged soil affects agricultural products and creates a vicious cycle of weakness, chemical usage, and further deterioration.

The above vicious cycle turns soil into:

• Insufficient soil fertility
• Soil pH too high or too low
• Poor soil structure
• Poor water retention causing water shortage
• Soil pollution problems

Additionally, continuous planting of the same crop also damages soil. During continuous planting, crops extract nutrients from the soil causing fertility decline, while also affecting soil microbial diversity, damaging soil and reducing crop growth and yield.

Sick soil cannot grow good crops even with good climate and varieties, nor can it achieve "high-value" prices. Therefore, when continuously planting the same crop, soil improvement is necessary to enhance soil fertility and ensure soil microbial diversity, preventing continuous cropping obstacles.

New Sun Oversea plant protection products specialize in repairing damage caused by fertilizers and pesticides, inhibiting pathogens, nematodes, and soil-borne diseases. They are the best solution for solving soil continuous cropping obstacles and creating high-value agricultural products.

Why Can It Solve Soil Continuous Cropping Obstacles?

New Sun Oversea plant protection products' NS BIO microbial communities are comprehensively domesticated from natural soil microorganisms. Therefore, New Sun Oversea specializes in soil improvement, solving crop continuous cropping obstacles while also inhibiting pathogens and nematodes, and controlling soil-borne diseases.

New Sun Oversea's soil improvement product technology advantages rebuild healthy soil microbial ecology with the following characteristics:

• Effectively decomposes soil organic matter
• Promotes soil aggregation
• Purifies plant rhizosphere microbiome
• Promotes soil nitrogen, phosphorus, potassium cycling
• Loosens soil compaction problems
• Degrades salts and balances pH
• Inhibits harmful bacteria and prevents viruses

New Sun Oversea's soil improvement product is Agricultural Active Water (product name: Agricultural Active Water No. 2), an exempt plant protection material (chitosan). Its purpose is as a soil activator, with the most important technological advantage being rebuilding healthy soil microbial ecosystems. This soil improvement product has multiple characteristics that effectively improve soil quality, making crops grow healthier and more abundant.

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2 Can Solve Ginger Soft Rot and Nematodes

What is Ginger Soft Rot?

Soft rot commonly occurs in old ginger fields during the young ginger stage. It is a common pathogen in soil and ginger seeds. Its spread is closely related to temperature, rainfall, host plant tissue maturity, and especially field nematode density.

Why Control Nematodes When Solving Ginger Soft Rot?

Fields with high nematode density are particularly prone to soft rot outbreaks because active nematodes easily create multiple wounds on young ginger epidermis, providing excellent opportunities for soft rot pathogen invasion. When spring temperatures rise (soil temperature above 24°C) and rainfall increases, infected areas can release large amounts of zoospores within 21 hours. Zoospores are transmission units that flow through soil pores with irrigation water or rainwater, infecting neighboring plants within 90 minutes and spreading rapidly. Generally, when scattered yellowing plants are visible in fields after plum rain season, many surrounding plants' rhizomes are already diseased. If not prevented early or symptoms detected promptly to destroy plants around diseased ones, ginger fields may lose economic value within a short time (about 2 weeks).

Therefore, controlling soft rot requires simultaneous inhibition of pathogens and nematodes. It's best to choose products that use probiotic dominant populations to inhibit pathogens and nematodes without causing soil burden.

How Does It Differ from Conventional Practices?

What is New Sun Oversea's Recommended Ginger Field Soil Improvement Practice?

Product Uses:

• Treat nematode problems
• Improve bacterial wilt and soft rot continuous cropping obstacles
• Inhibit harmful fungal growth in soil

Required Materials:

• Agricultural Biological Active Water No. 2: Exempt plant protection material, liquid soil activator containing NS BIO core microbial communities for soil improvement, can generate special enzymes to maintain rhizosphere environment, restore soil fertility.
• Biological Humus: Solid powder material containing humic acid to promote soil aggregation, simultaneously containing large amounts of NS BIO auxiliary microbial communities to enhance soil improvement efficiency.
• Enhanced Biological Humus: Organic agriculture solid granular material containing humic acid to promote soil aggregation, simultaneously containing large amounts of NS BIO auxiliary microbial communities to enhance soil improvement efficiency.

Precautions:

• New Sun Oversea ginger field improvement materials are microbial materials, please do not use simultaneously with disinfectant materials like lime, bleaching powder, chlorine dioxide.
• Pesticides or herbicides affect microbial efficacy. If necessary, wait at least one week after application before using New Sun Oversea ginger field improvement materials.
• When initially using New Sun Oversea ginger field improvement materials, use maximum recommended amount for comprehensive treatment. After long-term use, gradually reduce humus usage as conditions permit.
• Agricultural Active Water can be applied to crops with normal irrigation frequency, but avoid application during continuous rainfall for open-field crops to prevent rapid microbial and nutrient loss.
• Store Agricultural Active Water in cool, stable temperature areas (do not refrigerate), use within six months.

Recommended Usage Methods: Per 0.1 hectare unit.

Environment Construction During Base Fertilization:

• Use 40-60 bags Biological Humus or 10-20 bags Enhanced Biological Humus, apply to field with fertilizer. Can reduce fertilizer usage referring to nitrogen, phosphorus, potassium content in humus from New Sun Oversea product DM.
• Use 20 liters Agricultural Active Water No. 2 with irrigation system (sprinkler, flood irrigation).
• Let stand 5-14 days for soil improvement microbial communities to establish good soil environment.
• Transplant ginger seedlings to begin cultivation.

Environment Maintenance During Top Dressing:

First top dressing:

• Use 2 bags Enhanced Biological Humus with 20 liters Agricultural Active Water No. 2 during top dressing.

Second top dressing:

• Use 6 bags Enhanced Biological Humus with 20 liters Agricultural Active Water No. 2 during top dressing.

3 Can Control Banana Fusarium Wilt

Why Does Banana Fusarium Wilt Occur?

• Genetic Issues: Most banana farmers plant Cavendish bananas chosen since 1950s for long-distance transport, previously thought immune to fusarium wilt. Since 1990s, Tropical Race 4 (TR4) pathogen emerged infecting Cavendish varieties. Monoculture caused significant losses. Worldwide teams developing non-Cavendish disease-resistant bananas face limitations (transport, taste, disease resistance etc.).
• Breeding Issues: Banana propagation mainly asexual, making hybrid breeding difficult. Currently mainly laboratory tissue culture breeding.
• Legal (Ethical) Issues: In 2017 Dale et al. developed disease-resistant GM bananas, but GM controversy involves competition reducing gene pool, potentially causing worse repercussions with similar problems later.

What Should Be Considered When Solving Banana Fusarium Wilt?

Fusarium wilt currently incurable, mainly because fusarium fungi resistant to existing antifungal agents. Currently using epidemiological methods improving host, pathogen, environment三个方面.

Pathogen (Fusarium Fungi) Control Methods:

• Reduce Pathogen Quantity:
  • Disinfect using soil disinfectants like lime
  • Physical isolation, access control, farm tools not shared/disinfected, prevent contaminated soil entry
  • Increase banana plant spacing, maintain safe distance
  • Decontaminate severely infected banana plants, implement quarantine (fallow)
• Precise Detection: Nucleic acid testing, relevant nucleic acid probes available

Soil Environment (Rhizosphere Environment) Improvement:

• Soil probiotic crowding effect: Use microorganisms inhibiting fusarium fungi to reduce banana infection probability.
• Rhizosphere symbiotic bacteria: Regulate soil nutrients, enhance banana plant absorption capacity, grow stronger, capable of fighting pathogens through plant's own immune abilities (like antimicrobial proteins).

Why Does Soil Improvement Reduce Fusarium Wilt?

Banana fusarium wilt pathogens mainly infect from roots or tubers. Pathogens can survive in soil as spores for years. After onset, starts yellowing from old leaf margins, old leaves droop and wither gradually spreading to young leaves and apical buds, eventually whole plant dies.

Although pathogens can spread through rainwater runoff, irrigation water and farm tools during field work, correct concept: soil-borne pathogens invading originally healthy plantations mostly land in soil first (except farm tools introducing pathogens without proper disinfection). So establishing probiotic defense in soil first avoids pathogen free passage during heavy rain, prevention better than cure. Deploying abundant high-quality soil probiotics in your plantation establishes basic guards, resisting pathogens and inhibiting diseases where you can't see, when you can't attend.

What Are the Advantages of New Sun Oversea's NS BIO Ecological Method?

• NS BIO contains fungal and actinomycete communities with same ecological niche as fusarium fungi, effectively crowding out fusarium
• Ecological treatment causes no land damage, NS BIO also contains phosphate-solubilizing bacteria, photosynthetic bacteria etc., effectively treating fertilizer damage, improving land over time
• Effectively restores soil fertility, while NS BIO promotes root development, increasing crop yield.

Below image shows soil previously affected by fusarium wilt, producing quality plantains again after NS BIO ecological method restoration.

What Are Fusarium Fungi Infection Mechanisms and Countermeasures?

How Does It Differ from Conventional Practices?

4 Other Control Achievements

Why Can It Control High Mountain Cabbage Clubroot?

Cabbage prefers cool climates. Summer domestic cabbage mostly comes from limited high-altitude areas, prices high due to scarcity. Because high-altitude areas cool early with long winters, production time only slightly over half year. So high mountain cabbage farmers use land efficiently including:

• Apply chicken manure semi-mature fertilizer (fast fertilizer effect, but carries many nematodes)
• Continuous planting without rotation, absolutely no rest in summer
• Use strong agents like lime for sterilization
• Rarely supplement probiotics while planting for sustainable cultivation

Continuous cabbage planting without rotation, using lime disinfecting bacteria killing nematodes often short-term gain long-term loss. Very effective first year, fusarium pathogen pesticide resistance and nematode resistance strengthen from second year. By third year some areas cabbage grows poorly, poor heading, cutting finds underground roots with galls and tumors because nematodes cause root wounds, pathogens invade and parasitize affecting whole plant development growth, severe cases premature death. Clearly lime cannot maintain vegetable field health long-term.

Our high mountain cabbage clients also loved using lime (cheap, effective first two years, most importantly hadn't met us then). But lime effectiveness decreasing, traditional sterilization thinking proven破坏soil microbiome balance, actually damaging soil. They need repair soil ecology, restore normal soil microbial environment, maintain land health stably, achieve true soil improvement.

How is Strawberry Root Rot Transmitted?

• Strawberry seedlings easily carry pathogens from infected mother plants spreading to runner seedlings.
• Pathogens plus poorly drained medium cause weak roots, wounds appear, environment anaerobic容易使pathogens multiply大量, invade root wounds进而感染whole plant, spread outward.
• Common bacterial wilt即bacterial wilt pathogen carriers in fields through watering, rain splash releasing pathogens into medium or随水流动, infect other strawberries.
• Bacterial wilt pathogens invade plants from root wounds, produce brown lesions in root crown center, strawberry leaves wilt then whole plant dies.

Even with clean medium, runner seedlings clean pathogen-free, strawberry variety stress resistance and Taiwan's humid hot climate still容易让strawberry constitution weaken. Our clients most commonly report black root brown root problems almost appearing after long autumn rains, strawberry roots contact rainwater too long discoloring, growth weakening or stagnating, possible premature aging. Roots blackening browning even if not枯死like root rot or bacterial wilt infection, affects strawberry energy储备before flowering and production capacity during harvest season.

How Can You Maintain Strawberry Roots?

Encountering strawberry root disease prevention or water-soaking weakening problems, you need maintenance liquid随时可用, won't伤害already weakened roots. Our company's Agricultural Active Water No. 2 exempt plant protection chitosan product, strawberry clients affirm it:

• Proliferates soil medium probiotics (actinomycetes) reducing soil disease infection
• Pathogen inhibition effects
• Observed browned strawberry roots growing new white fine roots after using Agricultural Active Water No. 2

Based on regulations we cannot claim具备此功能, but welcome personal experience.

How is Onion Soft Rot Transmitted?

Onions similar to other crops we擅长处理, soft rot and nematodes互相影响, also related to chicken manure application. General semi-mature chicken manure carries nematode eggs applied to fields, dry season lets nematodes hatch繁殖,等到spring summer fields rainy humid, temperatures回升到25℃以上时, soft rot pathogens invade nematode or weather, soil covering caused wounds, infect繁殖后spread出去.

Onion soft rot and nematode treatment relatively simple, because harvestable every 3-4 months, determined立即能improve land giving soil新生. So when发现fields出现soft rot,出现nematode problems, welcome contact New Sun Oversea, we introduce nearest distributors, use "Agricultural Active Water No. 2" series and "Biological Humus" series, inhibit nematodes and soft rot pathogens.

Data references: Wufeng Plant Protection Manual,各地Agricultural Improvement Stations, Taiwan University, field experience

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