[Yield and quality of the spring wheat grain in dependence on P-status of sod-podzolic loam sandy soil and mineral fertilizers]
2007
Bogdevich, I.M. | Mikulich, V.A., National Academy of Sciences. Scientific and Practical Center for Arable Farming (Belarus). Institute for Soil Science and Agrochemistry
The field experiment with fertilizer treatments of spring wheat on the four different levels of soil supply with mobile phosphates has been conducted in 2005-2007 at the Gomel region of Belarus. It was found significant increase in protein content according to change of mobile P2O5 content soil from 67 to 211 mg/kg, while the grain yield and protein yield continued increasing up to phosphate content 400 mg/kg. Productivity of spring wheat thus increases in 1,6-1,8 times and gathering of fiber from crops - in 1,5 - 1,9 times. The nitrogen fertilizers at rates N60-90-110 were efficient on all studied levels of P content in soil, increasing the protein content from 10.8 - 11.6% to 12,7 - 14,2%. Maximum protein content enhancement from application of phosphorus and potassium fertilizers has been found on 3-d level of P content in soil (211 mg/kg) while maximum yield of protein was obtained on highest level of soil P supply at the balanced doses of fertilizers N60+30+20P60K120 at all investigated levels
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