Often in the soils of crop rotations of grain crops, including on black soil, the content of mobile forms of copper, manganese, zinc and other trace elements is low.Improving the efficiency of making micronutrients for grain crops and determining the best ways and doses of their introduction are topical issues that need to be addressed in order to increase the productivity of crops.

Haifa Group Nutrition Recommendations  for Calla lily: Typical values of foliar analysis of Calla lily:

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