E-mail Newsletter June 2014

This e-mail newsletter is the notification of the April 2014 issue that has just been published. The June 2014 issue will follow shortly afterwards.

A University of Oregon student discovered a molecule now used in a sensor that mimics plant roots. The sensor provides real-time data about soil nitrate levels, so farmers can immediately make adjustments to fertilisers and irrigation. Read more in the just published April 2014 issue of the Plant nutrition courier. Picture: SupraSensor Technologies.

Spraying pears twice before picking with sodium selenate improves shelf-life of these fruits. Selenium delays the reduction in flesh firmness, possibly by reducing the biosynthesis of the plant hormone ethylene. This beneficial nutrient also reduces the rate in colour change in picked red ripe tomatoes.

A Dutch research institution has new spray equipment to test up to ten agents simultaneously, with almost surgical precision. This is thanks to computer-controlled sprayers that are linked to a Real Time Kinematic GPS.

● Early detection of nitrogen and magnesium deficiency in maize
● In three steps to a new soil test
● New soil test for boron
● Coarse soil contributes significantly to plant nutrition

● Sensor system estimates spray tank filling in real time
● Field experiments with site-specific liming
● Overwinter nitrogen loss from spring-applied slurry
● Stabilized phytase increases available phosphorus in cattle manure
● Roots adapt themselves to localised nutrients
● As CO₂ levels rise, some crop nutrients will fall
● Controlled-release fertiliser suitable for bedding plant cuttings
● Manganese chelates and complexes compared
● Spinach quality improved by shift of nitrogen source
● Silicon effectively mitigates symptoms of iron deficiency
● Mycorrhizae affect different plant species in different ways
● How two coins significantly increase canola yields

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