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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

Change of fertility at different technologies of soil treatment  [2019]

Matyuk, N.S.; Nikolaev, V.A.; Shchigrova, L.I., Russian State Agrarian Univ., Moscow (Russian Federation);

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The regularities of change of fertility agrochemical indicators at different technologies of soil tillage are reviewed. Studies were conducted in the Moscow region in 2011 and 2013. The conventional technology and precision cultivation technology, as well as the minimum tillage and moldboard tillage methods were compared. It was established that both at plowing and at the minimum tillage, the total nitrogen content increases by 0.03-0.06 mg/kg of soil by the end of vegetation as compared to its beginning. As far as the content of labile phosphorus it was noted that in the tillering phase of barley its content in the soil layer of 0-20 cm was higher (154.5 mg/kg of soil) at the conventional tillage in comparison with the precision tillage, it was 136 mg/kg of soil. By the end of vegetation the availability level of this element was 124-180 mg/kg of soil. The content of exchangeable potassium in the layer of 0-20 decreased with the accumulation of biomass components by barley plants. Thus, at the beginning of vegetation it was 232.5 mg/kg of soil at plowing, and it was 228.5 mg/kg of soil at the minimum tillage, and by the end of vegetation it was 52.5 and 96 mg/kg of soil, respectively. The most consumption of nutrients was recorded in the minimum tillage in the barley booting-earing phase. The conventional technology has an advantage over the precision one: the average yield for 2 years was 2.96 t/ha against 2.70 t/ha. The average yield according to the te
chnologies for the minimum tillage was 2.92 t/ha, for the moldboard tillage – 2.74 t/ha. The maximum yield achieved in the experiment (the conventional technology in combination with the minimum tillage) was 3.08 t/ha.

From the journal

Agrochem Herald

ISSN : 0235-2516