EFFECTS AND AFTEREFFECTS OF DIATOMITE AND ITS COMBINATIONS WITH MANURE ON THE TOTAL CARBON CONTENT IN THE SOIL AND THE YIELD OF VEGETABLE CROPS
2020
E.E. Kuzina | E.N. Kuzin
The objective of the research was to study the unilateral effect and aftereffect of 2 to 6 t/ha of diatomite and combined effect and aftereffect of diatomite with manure on the total carbon content in the arable layer of leached chernozem and the yield of vegetable crops in the forest-steppe condi-tions of the Middle Volga region. The studies were conducted from 2014 to 2019. The experiment was deployed in time and across the territory. Studies have established that in view of the effect and af-tereffect of manure, the total carbon content exceeded the initial values by 0.075-0.104%. In the vari-ants with diatomite, the total carbon content at the end of the research exceeded the initial values by 0.012-0.029%. The most significant effect on the accumulation of total carbon was exerted by the combined effect and aftereffect of diatomite with manure. The total carbon content, in view of the effect and aftereffect of diatomite and manure, exceeded the initial values by 0.098-0.122%. The highest effect in terms of impact on yield was provided by the combined effect and aftereffect of diatomite and manure. The yield of winter garlic in view of the effect and aftereffect of diatomite and manure increased by 39.6-66.2%, carrots by 29.6-46.9%, beetroots by 21.0-44.9%.
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