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knapweed: Knapweed – a perennial weed (Centaurea nigra). Helps farmers identify and manage weed control.

keiserite: Keiserite – magnesium sulphate powder, used as a fertilizer where magnesium deficiency is evident, especially in light sandy soil. Helps farmers correct soil nutrient deficiencies.

kilo: Kilo – same as kilogram. Helps farmers understand and use weight measurements.