The role of highly silicious rocks in increasing productivity and obtaining ecologically-safe agricultural products

Open Access

Fig. 1.

Yield of corn grain, depending on the application of zeolite and mineral fertilizers in the cultivation technology, t/ha (2016-2018, the differences between the options are reliable) (1 – Control; 2 – Zeolite 2000 kg/ha; 3 – Zeolite 500 kg/ha; 4 – N₆₀P₆₀K₆₀ (NPK); 5 – Zeolite 500 kg/ha+NPK; 6 – Zeolite 2000 kg/ha +NPK)

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