Fertilizers

New biostimulant improves chlorophyll production

Maxstim, which originates from the UK, has proven to be a very effective biostimulant in crops like berries (blueberries, raspberries, strawberries, grapes), flowers (roses, alstroemeria, chrysanthemum), greenhouse crops (tomatoes, cucumbers, peppers), agricultural crops (melons, potatoes, pumpkins) and…

Uralchem moves into retail segment with consumer fertilizers

Uralchem signed an agreement with Strada at the FlowersExpo in Moscow (September 10-12). The agreement will see the two companies working together on the development of the project “Small packaging”, aimed at meeting the demand of clients in the retail sector. The brand 'Joy', the trademark used by Strada…

How nanotechnology can help to improve soil quality

Stabilization of soil microorganisms for ideal settings for plant growth

Nanotechnology has become extremely important in many industries and floriculture is not an exception. It can be of great importance for the quality of soil, by stimulating microorganisms. “Mycorriza and Trichoderma fungi, and some Nitrogen fixing bacteria species are some examples of how the plants can…

"Peat is part of the answer"

Growing Media Europe (GME) participated in the CEO Meeting of the International Peatland Society (IPS) and the Baltic Peat Producers Forum (BPPF) 2019 held on 4-5 September in Palanga, Lithuania. Both events dealt, among other topics, with the overarching question of the future availability of peat as a highly valuable resource…

Calcium product introduced in Kenya for improved vaselife

At an event in Nakuru, Kenya, several growers, breeders and industry players got together, including Fontana, Bliss, Rosetto, United Selections, Expressions’s, Kimman, Black Tulip group, Mzurrie and Sian. The reason? To get to know more about the role of calcium in plant nutrition. Organized by Cosmocel and…

UK: GMA sets out road map timelines towards sustainable growing media

The Growing Media Association (GMA), a group of manufacturers and suppliers producing over 90% of growing media used in UK domestic and commercial sectors, continue to make…

What's in that runoff?

Runoff from container nurseries contains nutrient and sediment from fertilizer and irrigation. Researchers assessed runoff total suspended solids (TSS), N as total N (TN), and P as total P (TP) from a 5.2 ha production area of a mid-Atlantic nursery. The Storm Water Management Model (SWMM) was calibrated to the results and used…

Mark van der Zande, Logitec Plus:

Better cultivation results and labor savings through substrate mixing lines

Logitec Plus recently installed a substrate mixing line at Ball Zhuomei flower nursery in Shanghai, China, with labor saving and error elimination as the most important improvements. Where previously there was a worker at each individual seed line and tray transplanter to first make a mixture and deliver…

Nutrient monitoring of ornamental cabbage and kale

Ornamental cabbage and kale are excellent plants for fall color. Plants require medium levels of fertilization, growing optimally with 150 to 200 ppm N. The target substrate pH values are between 5.8 and 6.2. The most common nutritional disorder of ornamental cabbage and kale is providing insufficient…

Nutrient monitoring of garden mum

Chrysanthemums require medium to high fertility of 150 to 300 ppm N. Optimal substrate pH values for chrysanthemums range from 5.8 to 6.2. Chrysanthemums are susceptible to high substrate pH and soluble salts. Substrate pH above 6.5 inhibits iron availability and induce interveinal chlorosis (yellowing).…

Nutrient monitoring of pansy

Pansies require low fertility of 100 to 150 ppm N. Optimal substrate pH values for pansies range from 5.5 to 5.8. Pansies can develop both low and high substrate pH disorders. If substrate pH drifts lower than 5.5, iron (Fe) and/or manganese toxicity occurs and is observed as lower leaf black spotting. Substrate pH values above…

Nutrient monitoring of poinsettia

Poinsettias require medium to high fertility levels between 150 and 300 ppm N, with the rate adjusted to take into account plant vigor. Optimal substrate pH values for poinsettia range from 5.5 to 6.5. If the substrate pH drifts lower than 5.5, plants will become stunted and color delayed. Substrate pH…

"Vermiculite has a high total-porosity and has good nutrient-holding ability"

In this video, Horticulture Specialist Troy Buechel talks about one of the PRO-MIX growing media components: vermiculite. Vermiculite is an expanded aluminum-iron, magnesium silicate mineral ore that is mined throughout the world. Vermiculite has a high total-porosity and has good nutrient-holding…


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