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Changsha Rich Field Agri Tech is a leading innovator in eco-friendly agricultural and aquaculture solutions. We specialize in high-quality organic nutrients including Humic Acid, Tea Saponin, Amino Acids, and Seaweed Extracts to support sustainable farming and healthier yields.
Changsha Richfield Agri. Tech. Co., Ltd. is dedicated to the research, development, production, and sales of environmentally friendly substances for modern agriculture and aquaculture.
We focus on the application of activated humic acid, humate series, humic compound fertilizers, tea saponin, amino acids, and other organic nutrients. Our mission is to promote sustainable farming practices through innovative, high-performance plant nutrition.
We also offer customized formulations tailored to the specific soil, climate, and crop conditions of different regions, ensuring optimal results for farmers worldwide.
View Our Product RangeDiscover our comprehensive range of organic plant nutrients designed for sustainable agriculture, improved soil health, and enhanced crop yields.
High-purity humic acid derivative for soil conditioning and nutrient uptake enhancement.
Humic Acid
Natural surfactant and bio-pesticide derived from tea seed, effective in aquaculture and agriculture.
Tea Saponin
Rich in essential amino acids to promote plant growth, stress resistance, and chlorophyll synthesis.
Amino Acid
Natural organic compound that improves soil structure, water retention, and nutrient availability.
Humic Acid
Concentrated marine extract rich in natural growth hormones, vitamins, and micronutrients.
Seaweed Extract
Natural organic pellet used for pest control and soil improvement in sustainable farming.
Tea Saponin
Highly soluble fulvic acid compound for rapid nutrient absorption and root development.
Humic Acid
Fast-acting liquid formulation for foliar application and immediate plant response.
Amino Acid
High-protein organic meal used as fertilizer and natural pest deterrent.
Tea Saponin
Calcium sulfate-based soil conditioner for improving soil structure and calcium supply.
Other Fertilizer
Water-soluble humate for irrigation systems and hydroponic applications.
Humic Acid
Liquid formulation for easy application in aquaculture and as a natural pesticide.
Tea SaponinWe combine scientific innovation with environmental responsibility to deliver superior organic agricultural solutions.
All our products are derived from natural sources and are safe for plants, soil, and aquatic life.
Our formulations are scientifically optimized for maximum nutrient uptake and plant response.
We develop tailored solutions based on regional soil, climate, and crop requirements.
Trusted by farmers and distributors in Vietnam, Egypt, and many other countries worldwide.
Get answers to the most common questions about our products and services.
Humic acid improves soil structure, increases water retention, enhances nutrient uptake, stimulates root development, and promotes beneficial microbial activity in the soil.
Yes, tea saponin is a natural compound derived from tea seeds and is widely used in aquaculture for pond cleaning and parasite control. It is biodegradable and safe when used at recommended concentrations.
Amino acid fertilizers are generally compatible with most pesticides and fertilizers. However, we recommend conducting a compatibility test before large-scale mixing to ensure stability.
Yes, we offer OEM and private labeling services. We can customize packaging, formulation, and branding according to your market needs.
You can contact us directly via email or WhatsApp to discuss your requirements. We accept T/T, L/C, and other standard international payment methods.
Ready to enhance your agricultural productivity with our organic solutions? Contact us today for product information, pricing, and custom formulation options.
+86-13203191168
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