Biostimulants for Maize: Optimize Your Harvest with Ecological Nutrition

## Organic Maize in Europe: Market OpportunitiesThe cultivation of organic maize in Europe is experiencing significant growth, with cultivated areas reaching 700,000 hectares according to recent data. This increase is primarily due to the rising demand for organic products, especially in the livestock sector, where organic feed is increasingly sought after. Organic maize, which does not use synthetic chemical products, becomes an ideal option for the production of feed intended for organic livestock, complying with the strict regulations of Regulation (EU) 848/2018.The price of organic maize is notably higher than that of conventional maize, with an increase ranging between 50% and 80%. This price differential, coupled with growing demand, makes organic maize an attractive option for farmers. In Spain, the regions of La Rioja, Navarra, and Catalonia stand out for their production of organic maize, while in France, Romania, and Hungary, the crop has also found a significant niche.## Agronomy of Maize: Foundations for SuccessFor the successful cultivation of organic maize, it is essential to understand its agronomic requirements. Maize germination requires temperatures above 10°C, with the optimal range being between 18°C and 22°C. Regarding planting density, it is recommended to establish between 70,000 and 85,000 plants per hectare to maximize production. The nutritional needs of maize are considerable, requiring approximately 250 kg/ha of nitrogen, 90 kg/ha of phosphorus, and 250 kg/ha of potassium to achieve yields of 12 tonnes per hectare.Crop rotations are fundamental in organic agriculture to maintain soil health and break the cycle of pests and diseases. A rotation including cereal, legume, and maize is recommended, which not only improves soil structure but also optimizes nutrient use.The phenology of maize can be divided into several critical stages:“`html

Phase	Stage	Description
VE	Germination	Seedling emergence
V3	3 leaves	Initial development
V6	6 leaves	Vegetative growth
VT	Tasseling	Development of tassels
R1	Silking	Pollination
R3	Milk stage	Grain formation
R5	Dent stage	Grain maturation
R6	Maturity	Harvest

“`## Main Threats to Organic MaizeThe cultivation of organic maize faces various threats that can compromise production. Among the most common diseases are Fusarium verticillioides, causing pink rot, and Ustilago maydis, responsible for smut. Additionally, the corn borer, Ostrinia nubilalis, poses a significant challenge. Without the use of herbicides, competition with weeds is another critical problem, especially during the R1 flowering phase, the most vulnerable to water stress.Micronutrient deficiencies such as zinc (Zn) and manganese (Mn) are common in organic soils. Biostimulants play an essential role in mitigating these issues. These products enhance nutrient absorption and strengthen the plant’s natural defenses. For example, biostimulants rich in amino acids and fulvic acids, like Fulvex 50S, can improve Zn and Mn uptake, promoting healthy crop development.## Ecoganic Biostimulant Programme for MaizeAn effective biostimulant programme is crucial for maximizing the yield of organic maize. Ecoganic offers a range of products designed for each phase of maize development:

Phase	Stage	Accumulated GDD	Ecoganic Product	Dosage L/ha	Method	Objective
Pre-sowing	–	0	Balance 7-7-7	10	Soil incorporation	Soil preparation
Sowing	VE	100	Boost Universal	5	Seed treatment	Stimulate germination
VE-V3	Emergence	150	Nitrotech 16	8	Fertigation	Initial growth
V6	6 leaves	300	Universal Power OCC	6	Foliar	Strengthening
V10	10 leaves	450	PK-FLOW 20	5	Foliar	Vegetative development
VT-R1	Flowering	600	Calcium 40%	4	Foliar	Optimise pollination
R3	Milk stage	800	PhosMax 32	6	Fertigation	Increase grain weight
R5	Dent stage	1000	Micro Plus	3	Foliar	Improve grain quality

## Impact on Yield: Trial DataTrials conducted with Ecoganic biostimulants have shown a significant increase in the yield of organic maize. Under normal conditions, an increase of 800 to 1500 kg/ha has been recorded, while in years of stress, the increase can reach up to 2000 kg/ha. Additionally, an improvement in test weight of 2 to 4 kg/hl and an increase in protein content of 0.5% to 1% have been observed. Harvest moisture percentages remain comparable to standards, ensuring grain quality.These results come from trials conducted in various regions, including Spain, France, and Argentina, confirming the efficacy of Ecoganic biostimulants under different climatic and soil conditions.## The Critical Factor: Biostimulants in R1 FloweringThe R1 flowering phase is critical for maize, as the 7 to 10-day pollination window determines up to 60% of the final yield. During this phase, biostimulants play a vital role in reducing thermal stress, improving pollen viability, and synchronizing the emergence of tassels and silks. Products like Calcium 40% and PK-FLOW 20 are essential to ensure effective pollination and optimal grain development.## Organic Maize by Geographic AreasIn Navarra and La Rioja, irrigated maize with a FAO cycle of 600-700 is predominant, while in Catalonia and the Ebro basin, conditions favour similar cycles. In France, especially in the Midi-Pyrénées region, organic maize is also booming, adapting to shorter cycles (FAO 400-500) in central Europe.Each region presents specific challenges, and the Ecoganic biostimulant programme adapts to these conditions, optimising crop yield based on climate and soil characteristics.## Compatibility with Certification and Organic RotationsCompliance with Regulation (EU) 848/2018 is essential for the certification of organic maize. This regulation requires crop rotations and limits the use of fertilizers to those of organic origin. Ecoganic biostimulants are designed to enhance nutrient use efficiency and the soil’s cation exchange capacity (CEC), promoting a more favourable environment for beneficial microorganisms and ensuring compliance with organic standards.## Frequently Asked Questions about Biostimulants for MaizePREGUNTA: ¿Qué ventajas ofrecen los bioestimulantes Ecoganic en el cultivo de maíz ecológico? RESPUESTA: Los bioestimulantes Ecoganic mejoran la absorción de nutrientes, fortalecen las defensas naturales de las plantas y aumentan el rendimiento. Además, ayudan a mitigar el estrés ambiental y optimizan la polinización durante la fase crítica de floración.PREGUNTA: ¿Cómo se aplican los bioestimulantes en el maíz? RESPUESTA: Los bioestimulantes se pueden aplicar a través de la fertirrigación, tratamiento foliar o directamente en el suelo. Cada método de aplicación se elige en función de la fase de desarrollo del cultivo y el objetivo específico del tratamiento.PREGUNTA: ¿Es necesario ajustar la dosis de bioestimulantes según la región? RESPUESTA: Sí, las condiciones climáticas y del suelo varían entre regiones, por lo que es recomendable ajustar las dosis de los bioestimulantes para maximizar su eficacia y adaptarse a las necesidades específicas del cultivo en cada zona.PREGUNTA: ¿Los bioestimulantes Ecoganic son compatibles con otras prácticas de manejo ecológico? RESPUESTA: Absolutamente, los bioestimulantes Ecoganic están diseñados para complementarse con otras prácticas de manejo ecológico, como las rotaciones de cultivos y el uso de fertilizantes orgánicos, asegurando el cumplimiento de las normativas ecológicas vigentes.PREGUNTA: ¿Qué impacto tienen los bioestimulantes en la calidad del grano de maíz? RESPUESTA: Los bioestimulantes mejoran la calidad del grano de maíz al aumentar el contenido de proteína y el peso hectolítrico, manteniendo niveles de humedad adecuados y asegurando un grano saludable y de alta calidad para el mercado.## ConclusionThe use of Ecoganic biostimulants in organic maize production not only improves yield and grain quality but also ensures compliance with organic regulations. By adopting a biostimulation programme tailored to the specific needs of each crop phase, farmers can maximise their benefits in a growing market. Take advantage of this opportunity and optimise your organic maize production with Ecoganic products. Contact us for more information and start improving your crops today!