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Hollow Stem in Broccoli

In Iowa broccoli is typically planted early to mid-April and harvested mid-to-late June. Given the time of harvest it is often challenging to preserve the quality of broccoli in open fields. One of the major challenges growers face with broccoli is the ‘hollow stem’.

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Managing Soil pH in Horticultural Crops

Iowa soils are very diverse and so are the chemical characteristics that make up these soils.  Soil pH is one property that can vary widely across the state both naturally and due to crop production inputs.  It is also one of the most cost effective and easy to manage soil properties that can be modified to improve plant health and crop production. 

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