INFLUENCE OF SOIL PROCESSING ON CHERNOZEM AGROPHYSICAL STATE AND SPRING WHEAT PRODUCTIVITY
https://doi.org/10.26898/0370-8799-2018-1-6
Abstract
Results are given from evaluation study (2013–2015) of basic processing methods influence on soil agrophysical state and spring wheat productivity. Shallow medium-loamy chernozem of Krasnoyarsk forest-steppe was under study. The soil under basic processing was characterized with normal composition (0.96–1.02 g/ сm3) and perfect structure of 0–20 сm layer on agronomical valuable aggregates content (70–71 %). Experiment scheme included three variants of tillage: dump plowing of black steam with PLN- 4–35 to 20–22 cm depth (control); autumn disc harrowing of black steam with Rubin 9600KU cultivator to 10–12 сm depth (minimal processing); chemical steam and direct sowing with John Deer seed drill (zero processing). There is established that basic processing type defined the character of seasonal soil density dynamics (Сv=1–25 %) and structural composition (Cv = 28 %). Optimal wheat productivity was obtained under dump plowing cultivation and minimal processing (24–25 c/ha). Direct wheat sowing contributed to soil density increase by 0.06–0.04 g/ сm3 with optimal parameters maintenance and reduced spring wheat productivity by 0.6–0.7 t/ha in comparison with the dump plowing and minimal processing
About the Authors
N. L. Kurachenko
Krasnoyarsk State Agrarian University
Russian Federation
Russian Federation
Doctor in Biology, Professor
90 Prospect Mira St, Krasnoyarsk, 660049, Russia
A. S. Kolesnikov
Krasnoyarsk State Agrarian University
Russian Federation
Russian Federation
Postgraduate
90 Prospect Mira St, Krasnoyarsk, 660049, Russia
V. N. Romanov
Krasnoyarsk Research Institute of Agriculture
Russian Federation
Russian Federation
Doctor of Agricultural Sciences
66 Prospect Svobodny St, Krasnoyarsk, 660041, Russia
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Review
For citations:
Kurachenko N.L., Kolesnikov A.S., Romanov V.N. INFLUENCE OF SOIL PROCESSING ON CHERNOZEM AGROPHYSICAL STATE AND SPRING WHEAT PRODUCTIVITY. Siberian Herald of Agricultural Science. 2018;48(1):44-50. (In Russ.) https://doi.org/10.26898/0370-8799-2018-1-6
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