PRORORTION CRUDE PROTEIN IN ALFALFA-GRASS MIXTURES DEPENDING ON THEIR SPECIES COMPOSITION AND MINERAL NUTRITION LEVEL UNDER STEPPE RIGHT BANK UKRAIN

Authors

  • E. A. Litvinova , NRC "Institute of Agriculture NAAS"
  • D. V. Litvinov National University of Life and Environmental Sciences of Ukraine image/svg+xml
  • U. D. Bodnar , NRC "Institute of Agriculture NAAS"

DOI:

https://doi.org/10.31548/agr2019.02.048

Keywords:

вміст гумусу, лабільна органічна речовина, родючість ґрунту, система удобрення, попередник

Abstract

The results of researches on the influence of organic and mineral fertilizers on the accumulation of general humus and mobile (labile) organic matter in typical chernozem are presented. The introduction of fertilizers for the cultivation of winter wheat in field short-rotation crop rotation after various predecessors (winter rape and soybean) contributed to the change in the content of labile forms of humus. The smallest amount of labile organic matter is removed from the soil of the control variant at the level 146-165 mg/100 g of soil. Application of mineral fertilizers only increases the moving humus substances, increasing their content was observed in super intensive and intensive fertilizer systems where their content was 20-35 % higher relative to the resource-saving fertilizer system and 1.5-2.0 times higher than control.

The cultivation of winter wheat on the background of Nо-till technology is an economical soil tillage system and resulted in an increase in the content of labile organic matter in the arable layer by 4-7 % relative to the classical cultivation.

Author Biographies

  • E. A. Litvinova, , NRC "Institute of Agriculture NAAS"
    pHD in soilscience
  • D. V. Litvinov, National University of Life and Environmental Sciences of Ukraine
    doctor of agricultural sciences

References

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Balayev, A. D. Pikovska, O. V, Tonkha, О. L. (2018). Vmist humusu ta labilnux orhanichnux rechovyn za riznogo vukorustannj chornozemu typovoho [Content of humus and labile organic matter in different use of chernozem typical]. Naukovyy visnyk Natsionalʹnoho universytetu bioresursiv i pryrodokorystuvannya Ukrayiny. Seriya : Ahronomiya, 286, 173-179.

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Published

2019-07-14

Issue

Vol. 10 No. 2 (2019)

Section

Землеробство

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