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Fertilizers
"Proper use and control of NOx in greenhouse can increase yield"
It is well known that CO2 contributes to a good growing crop. It is also known that NOx, a gas that is produced during incineration such as in CHPs, is harmful to the crop. But research now shows that small amounts of NOx can actually increase yield. A remarkable conclusion, says Jacco Besuijen. He is an…
New fertilizer treats and prevents calcium deficiency in organic crops
BioWorks has launched ON-Gard Calcium, an organic liquid fertilizer with plant derived protein hydrolysate and calcium chloride for the treatment and prevention of calcium deficiency in organic crops. The calcium formulated fertilizer increases the uptake efficiency of calcium by plants at reduced application…
Expanding leaf tissue nutrient survey standards for 74 floriculture species
Over the past 20 years, the number of species grown in commercial floriculture greenhouses has greatly expanded. Data of sufficiency ranges for plant nutrients have not been investigated and this void makes diagnosing nutritional disorders difficult. The objective of a new research project was to develop…
Nutrition tips for seed germination and young plants
Seed germination and young plant production starts with the right growing medium or substrate. It is important to have a substrate with good physical characteristics, such as air porosity and water holding capacity, however chemical characteristics are equally important. Correct starting pH, electrical…
Worm fertilizer: from organic waste to bio-stimulant
Millions of red worms crawl through the long sterile trays in the compost factory of Vermis Organik in Izmir. These remarkable worms compost vegetal waste. 'Mini-factories' is what Benelux sales manager Saban Bozalie call the red Californian worms, names Eisenia Fetidaze. "The life on the surface of the…
Helping plant nurseries reduce runoff
You may have heard how excess nutrients, such as phosphorus, can run off of crop fields. This can cause harm when the nutrients end up in rivers and lakes. However, there are other sources of excess nutrients you might not think of, such as the pots nursery plants come in. Researcher Jake Shreckhise collects…
Biomass and phosphorus accumulation and partitioning of geranium and coleus
A study was conducted to examine plant biomass and phosphorus (P) accumulation and partitioning in response P availability and to determine the optimal P concentration during growth phases of two plant species with contrasting growth characteristics: geranium (Pelargonium hortorum Bailey) ”Bullseye…
Selecting and using plant growth regulators on floricultural crops
Plant growth regulators (PGRs) are chemicals that are designed to affect plant growth and/or development. They are applied for specific purposes to elicit specific plant responses. Although there is much scientific information on using PGRs in the greenhouse, it is not an exact science. Achieving the…
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