Tests on the characteristics of mineral fertilizers PARTNER ™
NAAS UKRAINIAN INSTITUTE OF RICE
with Antonivka, Skadovsky District, Kherson Region
Soil: close to neutral in terms of acidity - 7.2, has a low content of humus - 2.10%, easily hydrolyzed nitrogen - 11.62 mg / 100 g of soil, content of mobile phosphorus - 3.17 mg / 100 g of soil and potassium - 31.31 mg / 100 g soils
Predecessor: rice (layer rotation)
Variety: Vykont
Sowing: April 2016
Harvesting: September 2016
Scheme of research on the effectiveness of complex mineral fertilizers PARTNER ™ on rice:
Control (without treatment of seeds and sowing)
STANDARD NPK 13.40.13 + S + Mg + ME (2.5 kg / ha) spraying in the phase of 3-4 leaves
STANDARD NPK 35.10.10 + S + Mg + ME (2.5 kg / ha) Urea (4 kg / ha) spraying in the tillering phase
STANDARD NPK 20.20.20 + S + Mg + ME (2.5 kg / ha) spraying in the phase of appearance of the flag leaf
STANDARD NPK 9.12.35 + S + Mg + ME (2.5 kg / ha) spraying in the phase of the beginning of milky grain maturity
The application of the fertilization system with complex fertilizers PARTNER ™ made it possible to increase the yield level of rice by14 c/ha or by 13.51%. Such a trend can be explained by the fact that the application of foliar fertilizerSTANDARD NPK 13.40.13 + S + Mg + ME in the phase of 3-4 leaves allowed to accumulate a sufficient amount of macro- and microelements in the plants, which created the prerequisites for the full passage of the next phase of crop development.
Introduction of high-nitrogen foliar fertilizer in the tillering phaseSTANDARD NPK 35.10.10 + S + Mg + ME made it possible to improve the nitrogen regime of plants, which contributed to active tillering and the formation of a significant number of side shoots of rice plants.
Application in the flag leaf phase of fertilizerSTANDARD NPK 20.20.20 + S + Mg + ME and in the phase of the beginning of the milky grain of the fertilizerSTANDARD NPK 9.12.35 + S + Mg + ME made it possible to provide rice plants with nutrients in a balanced way during grain pouring and to form full grains.
The analysis of the structural elements of the crop showed that in the experiment on the influence of the system of fertilizing crops with PARTNER™ foliar fertilizers on their productivity, the yield depended both on the number of productive stems and on the mass panicles It was established that the fertilizer feeding system increased the number of productive stems and panicle mass. So, according to the control version, the number of productive stems was 383 pcs. / M2 with a mass of grain in panicles of 2.97 g, and when using fertilized PARTNER ™ - 441 pcs. / M2 and 3.24 g, respectively.
Partner ™ fertilizers contributed to the activation of growth processes in rice (the height of plants in the control variant was 98 cm, and when the crops were sprayed with foliar fertilizers - 100 cm).
When determining the influence of PARTNER ™ fertilizers on the spread of pyriculariosis on rice crops, it was established that these fertilizers did not have a significant effect on the spread of the disease. In the conditions of 2016, plant damage amounted to 30-40% regardless of the experiment variant.
Yield of rice depending on the system of fertilization of crops with foliar fertilizers PARTNER ™, 2016, c / ha
Elements of the structure of the crop depending on the system of fertilization of crops with foliar fertilizers PARTNER ™, 2016
Conclusion
According to weather conditions, 2016 was characterized as quite cool during the first half of the growing season and hot during the second half of the growing season. In addition, in 2016, a significant amount of precipitation was observed from April to June, which lengthened the growing season of plants in the first half of the growing season. July and August turned out to be dry and hot, which allowed crops to generate high productivity.
Foliar fertilizers PARTNER ™ ensured an increase in the number of productive stems in rice crops by 15.1%, and panicle weight - by9.1%.
The system of application of complex fertilizers PARTNER ™ ensured the yield of rice variety "Vykont" at the level of 11.76 t / ha.
The system of using complex fertilizers PARTNER ™ made it possible to increase the yield of the whole kernel by 33.3% and reduce cracking by 2.5 times.