Agronomy: How to deal with sandy soil

Question: What can be done to improve the water-holding capacity of sandy soil? The water-holding capacity of a soil is controlled by the soil texture and the organic matter content. Soils with a high percentage of silt and clay particles usually have a higher water-holding capacity than soils that have…

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Agronomy: Dealing with salty soil

Too much salt in water and soil can have a dire effect on crops, hampering germination and growth.  There are a number of causes for salty soil. Some soil is intrinsically saline, and poor drainage, climatic trends that lead to the accumulation of salt in soil, and human activities such…

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Agronomy: Planting tips for wet soils

Repeating wet seasons can leave fields leached and water profiles filled to the brim. Marleen Smith asked some experts about the measures grain farmers need to keep in mind when preparing for planting in wet soils. Root development and fertilisation are two factors that play a crucial role in the…

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