Insights
Videos
POLY4 | from our mine to your field
POLY4 | Growing potatoes in Europe
POLY4 | Growing tomatoes in South America
POLY4 | Growing potatoes in North America
POLY4 | Growing corn and soybean in South America
POLY4 | Growing corn in North America
POLY4 | Supporting Brazilian agriculture
POLY4 | Sirius Minerals and Cibra (Portuguese subtitles)
Solubility of POLY4
POLY4 | research and development
POLY4 | a game-changing product
POLY4 | supporting US farmers
POLY4 | a game-changing product
The POLY4 cornerstones
POLY4 | crop science programme
About polyhalite
Sirius Minerals polyhalite project development
Posters
Exploring the impact of POLY4 application on soil sodium - San Diego, USA, January 2019
Soybean response to POLY4 as a potassium and sulphur source in northern São Paulo state, Brazil - Baltimore, USA, November 2018
Effect of POLY4 on growth and yield of potato in soils of western plain zone of Uttar Pradesh, India - Baltimore, USA, November 2018
Performance of POLY4 as a multi-nutrient fertilizer for wheat in Poland and European cereals - Baltimore, USA, November 2018
Performance of POLY4 blends compared to MOP blends for rice in different agro-ecological zones of Tanzania - Baltimore, USA, November 2018
Improving fertilizer use efficiency with POLY4 – presented at 21st World Congress of Soil Science – Rio de Janeiro, Brazil, August 2018
POLY4 nutrient movement in soil – presented at 21st World Congress of Soil Science – Rio de Janeiro, Brazil, August 2018
Impact of POLY4 application on soil sodium – presented at 21st World Congress of Soil Science – Rio de Janeiro, Brazil, August 2018
Published at the Fertilizer Added Value event – Madrid 2018
Published at the Fertilizer Latino Americano event – São Paulo 2018
Evaluation of POLY4 for its nutrient availability and accumulation in rice, sesame and peanut
POLY4 as a fertilizer for cotton in Virginia, USA
Effect of POLY4 on soil environments
Potato yield and dry matter response to different sources of potassium fertilizer in the UK
Response of wheat to POLY4 in Jiangsu, China
Published at the NPK Fertilizers event – Vietnam 2017
Presentations
Availability of K & POLY4's significance for soybean product - ASA, November 2018
POLY4 on rice in China - ASA, November 2018
Brackling of a barley crop fertilized with POLY4 -ASA, November 2018
Meeting the growing demand for multi nutrients in Europe, Argus fertiliser — October 2018
The best nutrient management practices with the help of POLY4, Argus Europe Fertilizer — October 2018
POLY4 as a sulphur source for fresh market tomato production in Brazil – American Society for Horticultural Science annual conference – August, 2018
Publications
Response of tomato to POLY4 as a multi-nutrient fertilizer in southeast Brazil, Journal of Plant Nutrition – September 2018
Potato response to polyhalite as a K source fertilizer in Brazil: yield and quality, HortScience – March 2018
Evaluation of polyhalite in comparison to muriate of potash for corn grain yield in the Southern Highlands of Tanzania, International Scholars Journals – March 2017
