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The Central Scientific Agricultural Library of the Russian Academy of Agricultural Sciences is a Bibliographic Center for Agricultural Science and Industry in Russia

Journal Article

Journal article

Influence of cereal and legume straw on carbon content, agrochemical properties and nutrient balance in soddy-podzolic soil  [2015]

Rusakova, I.V., All-Russia Research and Development, Production and Technology Inst. of Organic Fertilizers and Peat, Vladimir Region (Russian Federation);

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The effect of cereals and legumes straw with repeated its introduction during 2 cycles in 5 fields grain-row crop rotation (winter wheat, lupine, potatoes, barley, annual grasses) on the organic carbon content and balance of nutrients in sandy soddy-podzolic soil have been revealed. Long-term field experiment of All-Russian Scientific-Research Institute for Organic Fertilizers and Peat (Vladimir region) had following experience treatments: 1. No fertilizers. 2. N (54 kg/ha) P (51 kg/ha) and K (57 kg/ha) (average per year) – background; 3. Background + straw (winter wheat, lupine, barley) – total 18 t/ha; 4. Straw (winter wheat, lupine, barley) – total 18 t/ha. During 2 cycles in grain-row crop rotation with straw introduced about 7000 kg of organic carbon, which amounted to 35% of its initial reserves in the soil. In treatments with dose of straw (18 t/ha) against the background of mineral fertilizers established significant increase of organic carbon content at 0.065% in arable soil layer, which corresponds to 1950 kg of organic carbon per 1 ha. Use of total volume of post-harvest residues of grain and leguminous crops as fertilizer provides repeated involvement in the biochemical nutrients cycling: 148 kg nitrogen, 59 kg phosphorus and 198 kg of potassium or 21-29, 24-31, 39-52% of the total removal of the harvest, and about 7 tons of organic carbon. Threefold introduction of straw whole grains and legumes crop rotation was accompanied by the increase of
available potassium content (to the end of the 2 cycles in grain-row crop rotation at 21-22 mg/kg in compare to the initial), has allowed to achieve positive nitrogen balance values with the intensity of 104%, potassium – with the intensity of 153%.

From the journal

Agrochem Herald

ISSN : 0235-2516