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Knowledge Center Crop Care

The Royal Brinkman Knowledge Center is divided into seven themes. Within the Crop Care theme, information and tips to optimize your nutrution feeding schedule can be found. Also the Crop Care specialists can always be consulted for advice regarding shading agents, coatings and fertilizers. 

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For the next 5 weeks you'll receive our personalised newsletter once a week. For each region we have made a selection covering the most current topics. You can think of topics like: climate control, glass cleaning, tips for crop rotation, hygiene management, fertilization, and water management.



  • What is a shading agent?

    Many crops are not resistant to full solarization or high temperatures. In this case a shading agent could offer protection. When applying a layer of shading agent that reflects light and reduced heat peaks in climate in the summer could be avoid and crops will be protected.

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  • What is the difference between powder and liquid shading agents?

    The main difference between powder and liquid shading agents is their composition and obviously their form: powder shading agents are fixed and liquid shading agents are: liquid. This has an impact on the resistance, the application and the price of the product.

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  • What is the difference between Q3 and Q4 White?

    Actually, there is one difference between Q3 and Q4 White, their weather resistance and thus the lifespan. This difference results in clear difference in the application, effort and price of both products.

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  • How to use a diffuse coating?

    In the horticultural sector, diffused light is increasingly used by means of a diffuse coating. This coating scatters the light into the crop and ensures that a crop is not damaged due to too much light. At the same time, there is no loss of light when using a diffuse coating.

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  • What is diffuse light?

    Diffuse light is light that is scattered, causing it to fall on the crop from all sides. The light is evenly distributed, leaving no sharp shadows. Such diffuse coating ensures that a crop is not damaged by excessive light intensity without loss of light.

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  • Which different diffuse coatings are available?

    Every crop has other needs in case of light and warmth. Therefore various diffuse coatings have been developed that differ fromm each other in terms of light distribution (Haze) and light transmittance (transmission).

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  • What is the advantage of carrying out a company audit?

    A company audit can be performed by Royal Brinkman in collaboration with Chrysal. This can be done in order to optimize certain processes within your company, such as hygiene of harvesting tanks and the presence of micro-organisms in the water used by the company. In this article, you can read more about what is measured when a company audit is carried out.

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  • How do you apply Ethylene Buster?

    It is possible that the buds and flowers fall out quickly or that you experience a poor shelf life of flowers and plants. This is because flowers and plants are often sensitive to ethylene, which shortens shelf life. You can prevent this by using Ethylene Buster.

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  • Why is pre-treatment of flowers so important?

    Pre-treatment agents, agents that are not unknown in floriculture. Often the use of certain means is mandatory for the delivery of the flowers at the auction.

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  • How do I remove shading agents?

    After spring and summer months, the greenhouse must be clean again in autumn to allow your crop to take maximum advantage of natural light. It is therefore important to remove the shading agent from the greenhouse deck in good time. The easiest way to do this is to use a remover.

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  • Tips for optimal use of sunlight

    Light makes sure that photosynthesis takes place in a plant. Therefore, in most cases a grower wants to get as much light as possible in his greenhouse. In this article, our shading agent specialist shares his tips for optimal use of sunlight.

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  • How can the roof of your greenhouse be cleaned safely?

    Cleaning the roof of your greenhouse is something that should not be underestimated. It can have a negative effect on the climate in your greenhouse, since it blocks light. Not enough light entering your greenhouse could also lead to less harvest. In this article, it is explained how the roof of your greenhouse can be cleaned.

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  • How do you use glass cleaner in a greenhouse?

    Light is the most important thing for the growth of a crop. Therefore, it is recommended to clean the glass of the greenhouse regularly – inside and outside – to remove dirt such as rust, soot, lime, dust and other stains from the glass. A glass cleaner provides a solution.

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  • What are the advantages of organic glass cleaners?

    Organic, ecological, sustainable and environmentally friendly. Within the sector, chemical glass cleaners have been used for a long time. However, a steady shift from chemical to sustainable alternatives is present now. In this article more insight into organic glass cleaners is provided.

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  • What do hazard symbols/ CLP icons mean?

    Working with liquid fertilizers can be dangerous if knowledge about the products is missing. Because fertilizers can cause severe consequences in terms of health or to the environment, our specialist provide an overview of the definition of each hazard symbol/ CLP icon, which can be found on the packaging.

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  • How do you reduce the input of sodium?

    The most important reason to evacuate drain water is often a high sodium infusion. That is why we are giving you two tips to reduce the input of sodium: use the appropriate fertilizers and create a composition with fertilizers that naturally don’t contain sodium.

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  • What is guttation?

    Guttation is a process in the plant in which water is pushed out through special pores (hydathodes) at the edges of the leaves as a result of high root pressure.

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  • 3 tips for measuring and adjusting pH

    The pH in a crop is important for the right application of fertilizers. A too high or too low pH will result in a reduced absorption of certain nutrients, with possible deficiency symptoms as a result.

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  • Water management in (hot) summer

    During the summer, it could happen that the amount of rain water available is insufficient to meet the water needs of your crop. Therefore, it is important to apply good water management in (hot) summer.

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  • How can problems with the crop's roots be prevented?

    Healthy roots form the basis for a healthy plant. Therefore, it's crucial that its roots remain healthy and are not affected by moulds, etc. This article gives several tips on how to keep your crop's roots healthy.

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  • How can fertilizer tanks be prepared?

    Many companies that produce potplants use capillary mats for irrigation. Capillary mats devide the water from the bottom so that the plants are irrigated equally. For the best result its important that the capillary mats are placed in the right position and are used in the right way.

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  • What is the difference between organic and mineral fertilizers?

    Just like humans, plants need nutrition to grow. To be able to create the optimal NPK proportion, the right amount of these nutritional elements is of high importance. In this article, the difference between organic and mineral fertilizers is explained by our fertilizer specialist.

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  • What are Easygro fertilizers and what are the advantages?

    The Easygro products that were already sold by Royal Brinkman, its product range was extended. In this article, the Easygro product range is clarified by our fertilizer specialist.

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  • How do iron chelates work?

    Fertilization of iron is always done in chelated form. The reason for this is, iron easily precipitates when in contact with other nutrients. Precipitation can be prevented by dosing iron in chelated form. Several chelates can be used for this.

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  • How can trace elements be converted?

    Trace elements are offered to a crop in a fertilizer solution. One trace element is offered in a solid form, while the other is offered in liquid from. Some trace elements can be used in both forms, resulting in the need to convert the amount of fertilizers.

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  • What is the purpose of trace elements?

    In order to be able to grow normally, every crop is in need of main elements in quite high amounts. But also trace elements should never be forgotten or underestimated.

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  • What are polyphosphates?

    Polyphosphates are not commonly known by everyone, in regards to fertilization. Often, the term chelates is mentioned when discussing fertilizers.

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  • What is the phyllo plane?

    The phyllo plane can be described as the parts of the plant which can be seen above the soil: the stem, leafs, flowers, fruits and seeds.

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  • What are 'missing elements?

    In plant nutrition the so-called 'missing elements' are discussed from time to time. Many nutritional elements have a positive effect on plants and are divided in head- and trace elements. Besides these categories of nutrition, other elements outside of these categories can be listed.

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  • Bio stimulant SalicylPure, for stronger roots

    SalicylPure is a bio stimulant, which can be used to improve the plant’s root development. Due to good and strong roots, a better plant growth can be expected.

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  • How can worms improve the soil structure?

    A good soil structure is very important in open field crops. To improve the soil structure, you can use worms.

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  • How do you stimulate plant resistance?

    Increasing plant resistance can be achieved by using products that enhance the plant's natural defence mechanism. Products for plant resistance ensure that the plant's natural defence mechanism is strengthened, so that the plant reacts faster and more vigorously to stress situations and diseases.

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  • What is mycorrhiza?

    New methods for higher yields and better performance of the crop are looked for in horticulture continuously. The purpose and different types of mycorrhiza moulds are explained by our specialist in this article.

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  • What is rhizosphere?

    Plant resistance is important for healthy crop growth. In addition, attention in terms of the use of chemical products is crucial for a plant’s resistance. Many other different products contribute to the crop’s health. Some of these products are specifically aimed at the plant’s rhizosphere.

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  • How to establish a nutritional feeding schedule?

    In order to establish a nutritional feeding schedule that ensures optimal results, it has to be carefully aligned with the nutritional needs of your crop. There are basic nutritional feeding schedules available for all types of crops.

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  • Why is it necessary to perform a plant juice analysis?

    A fertilizer scheme is an important step in horticulture. Therefore, it can be measured by performing a plant juice analysis. In this article several factors that come along the plant juice analysis are explained.

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  • How can you turn a hydrangea blue?

    Hydrangeas are cultivated in several colors. However, for some colors are chemical reaction is needed. The hydrangea's own pigment, Delphinidin glyocide (delphinidin-3glykosid) can change color. How this is done, is explained by our specialist in this article.

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  • Why is fertilizing with nitrogen important?

    Nitrogen is an item, a lot of attention is given to within the horticultural sector. This element is needed by the plant. But what exactly does nitrogen do? Our fertilizer specialist have provided an explanation below.

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  • How can a boron deficiency in plants be prevented?

    Boron (B) contributes to several processes of metabolism. Thereby, it’s the only trace element for which an exact dosage is crucial to the plant. Very crucial to know how much you have got to use.

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  • How can a calcium deficiency in plants be prevented?

    Calcium is an essential element for a plant's growth. It serves a very important role in the cell division and creates a strong plant, because calcium support both the cell-walls and cell membranes. In this article our specialist explains everything about calcium.

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Any questions?

Do you have any questions about Crop care, or do you want personal advice? Contact one of our product specialists, or use the form below. 

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