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Продуктивность зеленой массы кукурузы в зависимости от агроклиматических условий, основной обработки и предшественников

Продуктивность зеленой массы кукурузы в зависимости от агроклиматических условий, основной обработки и предшественников

Abstract

Рассмотрено влияние агроклиматических условий, основной обработки почвы и предшественников на урожайность зеленой массы кукурузы. Определены коэффициенты вариации урожая в зависимости от предшественника, по предшественнику озимая рожь его значение составило 35-43%, а по предшественнику пшеница – 48-51%. Установлено, что высокие урожаи зеленой массы кукурузы в условиях лесостепи Северного Зауралья были получены по предшественнику озимая рожь и отвальной обработке на глубину 20- 22 см. Результатами исследований установлено, что между массой сорняков в посевах кукурузы и урожаем зеленой массы кукурузы была установлена достоверная отрицательная корреляционная связь средней степени (r = -0.45). Длительные исследования подтвердили различное влияние предшествующих культур на продуктивность зеленой массы кукурузы. Силосная культура в звене севооборота после озимой ржи более интенсивно формировала биологическую массу, чем там, где она располагалась по пшенице. Из применяемых систем основных обработок почвы под кукурузу самой эффективной является отвальная. Мелкая плоскорезная обработка почв на глубину 12–14 см по сравнению с отвальной на 20-22 см снижала урожай кукурузы в большей степени, чем другие обработки.

The influence of agro-climatic conditions, primary tillage and predecessors productivity of green mass of corn. The coefficients of variation of harvest depending on the predecessor to the predecessor winter rye its value was 35-43 %, and wheat predecessor 48-51 %. Found that high yields of green mass of corn in the forest-steppe of Northern Zauralye were obtained by predecessor winter rye and moldboard plowing to a depth of 20 22 cm. Results of studies found that between the mass of weeds in maize and maize yield of green mass was set significant negative correlation between the average power (r = -0.45). Long-term studies have confirmed the effect of different preceding crops on productivity of green mass of corn. Soilage in the chain rotation after winter rye more intensely shaped biological mass, than where it was located on wheat. Of applied major basic tillage soil under maize is the most effective moldboard. Small ploskoreznaya tillage a depth of 12 14 cm as compared with moldboard reduced by 20-22 cm maize crop to a greater extent than the other treatments.

Keywords

ПРЕДШЕСТВЕННИКИ, ЗАПАСЫ ПРОДУКТИВНОЙ ВЛАГИ, ГИДРОГЕРМИЧЕСКИЙ КОЭФФИЦИЕНТ (ГТК), НАИМЕНЬШАЯ ВЛАГОЕМКОСТЬ (НВ)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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