Topic: critical levels

How are you growing a great break crop?

The yields of ‘break crops’ are more important to farm incomes with higher prices for some non-cereal crops.  In 2017, 22.5 million hectares were sown to winter crops. Over 20% – 4.7 million ha – were non-cereals. In the period leading up until 2011, break crops were around 14% of […]

Do I need to worry about the ratio of calcium to magnesium in the soil?

There is a story going around that the ratios of available cations in soils affects crops and pastures.  The idea of a ‘balanced’ soil gained favour in the USA from work in the 1940s. The ‘ideal soil’ had approximately 65% Ca, 10% Mg, and 5% K as exchangeable cations. This […]