Annual salvia requires low to medium fertility levels between 100 and 200 ppm N and an optimal substrate pH ranging from 5.8 to 6.2. Annual salvia can develop both low and high substrate pH disorders. If the substrate pH drifts <5.8, iron (Fe) and manganese can accumulate at toxic levels and observed as lower leaf black spotting. Substrate pH values >6.5 inhibit Fe availability and induce interveinal chlorosis and stunted plant growth.
Announcements
Job Offers
- Assistant Cultivation Manager - Capitol Heights (MD) USA
- Greenhouse Investment Analyst - Portland (OR) USA
- Market Manager - Horticulture, USA
- Procurement and Marketing Manager - Kenya
- Head Grower - Bahrain
- Quality Assurance Manager - (Victoria, NSW or Tasmania) Australia
- (Assistant) Manager
- Senior Commodities Trader | Pulses | Ukraine
- Manager Production Seedlings - Hendrik-Ido-Ambacht
- UK Sales Manager - (South of the UK)
"Tweeting Growers"
Top 5 -yesterday
Top 5 -last week
Top 5 -last month
Receive the daily newsletter in your email for free | Click here
Other news in this sector:
- 2020-07-07 US: Partnership leads to the usage of less PGRs for growers
- 2020-06-29 US (MA): UMass Soil & Plant Nutrient Testing Lab has reopened
- 2020-06-17 University of Florida greenhouse training online courses
- 2020-04-09 How does mycorrhizal symbiotic colonization work?
- 2020-03-31 Phosphorus restriction influences P efficiency and ornamental quality of poinsettia and chrysanthemum
- 2020-03-20 US: Mycorrhizal Applications introduces MycoApply Injector Endo Organic
- 2020-03-03 A ‘plug & play’ solution for liquid fertilizer supply
- 2020-02-25 Interpreting water quality tests
- 2020-02-19 European pilot project to create a new generation of biostimulants
- 2020-01-29 RHP certification for Soltera and Eifel-Holz
- 2020-01-28 Effects of depolymerized gellan with different molecular weights on bedding plant growth
- 2020-01-17 "Proper use and control of NOx in greenhouse can increase yield"
- 2020-01-15 New fertilizer treats and prevents calcium deficiency in organic crops
- 2020-01-15 Expanding leaf tissue nutrient survey standards for 74 floriculture species
- 2020-01-02 Nutrition tips for seed germination and young plants
- 2019-12-23 Worm fertilizer: from organic waste to bio-stimulant
- 2019-12-11 Helping plant nurseries reduce runoff
- 2019-10-24 Canada's fertilizer industry ready to work with minority government
- 2019-10-24 UK: Garden Organic lobbies to make voluntary peat reduction targets mandatory
- 2019-10-01 New biostimulant improves chlorophyll production
|
|
|
|
|
|
|
|
