scholarly journals Influence of organic fertilizers on the water and food regime of meadow-chernozem soil

2021 ◽  
Vol 273 ◽  
pp. 05015
Author(s):  
Igor Bobrenko ◽  
Natalia Goman ◽  
Victor Kormin ◽  
Nadezhda Trubina ◽  
Marina Sklyarova

The research is based on the results of studying the effect of solid organic fertilizers based on cattle manure (cattle) of various storage periods on the supply of productive moisture and the chemical composition of meadow-chernozem soil. The studies were carried out at LLC RUSKOM-Agro, Omsk region in 2017-2018. The application of organic fertilizers significantly increases the content of nitrate nitrogen (from very low to very high levels), mobile phosphorus and potassium. In the first year of aftereffect, manure doses continue to have a significant impact on the nutrient regime of the soil. Moisture reserves before sowing were characterized as good (133-154 mm) without significant changes when applying manure.

2020 ◽  
Vol 6 (5) ◽  
pp. 224-232
Author(s):  
R. Guliyeva

The article shows the influence of mineral and organic fertilizer norms on gray–brown soils and changes in the nutritional regime in winter wheat soils under irrigation in the Ganja–Gazakh region. It was found that the application of mineral and organic fertilizers for winter wheat in gray–brown soils significantly affected the change in the nutrient regime of the soil, significantly increasing the amount of nutrients easily absorbed by plants in the plowed and subsoil layers of the soil, as compared to the control (unfertilized) option, effective fertility increased, which in turn had a significant impact on productivity. At the end of the growing season, depending on the norm of mineral fertilizers in the soil layer 0–60 cm, ammonia nitrogen is 13.1–14.1, nitrate nitrogen is 7.2–7.4, mobile phosphorus is 7.0–8.0 and exchangeable potassium — 15.6–19.2 mg/kg, depending on the rate of organic fertilizers at the end of the growing season, ammonia nitrogen 12.6-–13.7, nitrate nitrogen 5.3–5.7, mobile phosphorus 6.2–6.6 and metabolic potassium while it increased by 20.4–21.2 mg/kg.


2018 ◽  
Vol 21 (02) ◽  
pp. 75-77
Author(s):  
O A Vlasenko

Rapeseed and rapeseed and millet mixtures are cultivated, the supply of chernozem with nitrate nitrogen is low and medium, the supply of ammonium nitrogen is high. The availability of mobile phosphorus is reduced by the end of the growing season. The availability of exchange potassium for these crops is very high.


2021 ◽  
Vol 263 ◽  
pp. 01014
Author(s):  
Vladimir Shcherbakov ◽  
Valentina Pomogaeva ◽  
Tatyana Shukina ◽  
Konstantin Chizhik ◽  
Victor Bazhenov

Experimental studies on the decontamination and stabilization of sludge sites sediment with calcium oxide treated with disinfectant. The results of the research discovered that the sewage sludge of Voronezh City is safe and can be used as organic fertilizer for growing agricultural plants. Determination of the content of macro-elements of mineral nutrition in the soil and the reaction of its environment showed that the application of organic fertilizers in the form of sludge increases the amount of nitrate nitrogen, exchangeable potassium, mobile phosphorus in the soil compared to the non-fertilized sample. Contemporaneously, the mass fraction of impurities of toxic elements in the soil decreases when the sewage sludge is used as an organic-lime fertilizer.


2020 ◽  
pp. 115-124
Author(s):  
Zhanna A. Rupasova ◽  
Alexandr P. Yakovlev ◽  
Pavel N. Bely ◽  
Svetlana F. Zhdanets ◽  
Ol’ga S. Kozyr’ ◽  
...  

The article deals with the results of a biennial (2017–2018) comparative study of physico-chemical and agrochemical properties of the residual layer of a peat deposit under the plantation of two-year virginal plants of model Vaccinium corymbosum varieties (Northcountry, Bluecrop and Northland) on a recultivated developed lowland peat deposit under introduction of complete mineral fertilizer (‘Rastvorin’ brand ‘B’, N16P16K16), microfertilizer (Nanoplant-8, including eight trace elements: Co, Mn, Cu, Fe, Zn, Cr, Mo and Se) and organic fertilizers (Ekosil and Gidrogumat). In all variants of the experiment in both years of observations during the growing season in the root-inhabited layer, an increase relative to the initial level of the content of hydrolysable nitrogen and exchange potassium was found against the background of a decrease in the content of mobile phosphorus. In the first season, a slight increase in the level of hydrolytic acidity was registered, while the amount of absorbed bases decreased against the background of opposite changes in these indicators in the second season. In the first year of application of fertilizers by the end of the season, a significant enrichment of the substrate with mainly nitrate form of nitrogen and exchange potassium was established, with no noticeable changes in the content of mobile phosphorus. In the second year of application of fertilizers, there was a replenishment of ammonium nitrogen reserves with a predominant depletion of nitrate nitrogen, mobile phosphorus and exchange potassium (the greatest with Nanoplant and organic fertilizers treatment), which is due to the most intensive expenditure on the formation of the aboveground phytomass of experimental plants.


Author(s):  
V. T. Sinegovskaya ◽  
E. T. Naumchenko

The article presents the results of comparative evaluation of the efficiency of the long-term application of mineral and organic fertilizers in the crop rotation system. It was found that the application of the mineral fertilizer system increased the value of hydrolytic acidity of the soil from 4,30 to 5,29 mg-eq per 100 g of soil, the indicator of metabolic acidity decreased from 5,2 to 4,9 pH units. By the end of the 11th rotation for both fertilizer systems, the content of mobile phosphorus increased by more than 4 times relative to the initial value, its mobility indicator – by 2,2-3,2 times compared with the control. The use of the organo-mineral system was accompanied by an increase in the content of humus by 0,35 % and a decrease in the C:N ratio from 11,2 to 8,9. The increased productivity of wheat was revealed when applying nitrogen and nitrogen-phosphorus fertilizers against the background of prolonged use of the mineral and organo-mineral fertilizer system. The change in wheat productivity by 56 % depended on the content of mineral nitrogen, mobile phosphorus, humus in the topsoil, and on the phosphate ion mobility. Soybean productivity depended on soil fertility indicators only by 24 %: the relationship between soybean productivity and the mineral forms of nitrogen and phosphorus is weak and direct, between productivity and P2O5 mobility - weak and inverse, with humus - moderate and direct.


2020 ◽  
Vol 03 (04) ◽  
pp. 36-39
Author(s):  
Elmira Mirza Aga Vekilova ◽  

In the Lankaran region of the Republic of Azerbaijan, the effect of manure, compost in two doses - 10 and 30 t/ha and green mass of green manure 30 t/ha were tested under tea culture. Studies have shown the beneficial effect of these fertilizers on the dynamics of phosphorus and potassium in yellow-podzolic soil. The best results were found when applying higher doses of these fertilizers. It should also be noted that the preparation from waste and the use of environmentally friendly organic fertilizers is of great importance, which plays an important role in protecting the environment from pollution. Key words: organic fertilizers, phosphorus, potassium, tea culture


2010 ◽  
Vol 67 (4) ◽  
pp. 424-429 ◽  
Author(s):  
Ersin Polat ◽  
Halil Demir ◽  
Fedai Erler

The term 'organically grown food' denotes products that have been produced in accordance with the principles and practices of organic agriculture. The use of alternatives to synthetic fertilizers is an important issue in organic systems. A two-year field experiment to evaluate effects of organic fertilizers on the yield and quality of open field grown tomatoes (Lycopersicon esculentum Mill.) was carried out in Southern Turkey in 2000 and 2001. Combinations of manure, blood flour and micronutrient preparations were used for fertilization, and conventional mineral fertilization was included as the control. Yield did not differ between the fertilization and the Conventional treatments in the first year of the study, but the highest yield was obtained from conventional in the second year. No differences were found between treatments in terms of fruit soluble sugar content or citric acid. The application of organic fertilizers positively affected the micronutritional element content of tomato fruits compared to the conventional treatment. Organic fertilization results in improved yield and fruit quality compared to conventional fertilization. In addition, organic fertilization should be supported in order to facilitate reuse and disposal of organic wastes and to maintain and/or increase soil fertility.


2020 ◽  
Vol 1 (2) ◽  
pp. 89
Author(s):  
Mohammad Dian Kurniawan ◽  
Deny Andesta ◽  
Nina Aini Mahbubah

Fertilization is an action in plant care. Fertilization provides additional nutrients for the soil. Fertilization has a large influence on plant growth and production. Fertilization consists of organic and inorganic fertilizers. Both of these fertilizers must be balanced so that the nutrient content can be maintained properly. The use of fertilizers an organic fertilizer that is widely used, but the use of chemical fertilizers on an ongoing basis will reduce the level of soil fertility. This must be balanced with organic fertilizer. One of the organic fertilizer is guano fertilizer. This fertilizer is fertilizer made from animal waste, namely bats. This fertilizer has a very good content including nitrogen, phosphorus, and potassium. Knowledgethis fertilizer will still be low, so that an introduction and practice about guano fertilizer is needed. Therefore a community service activity was carried out on the development of the manufacture of guano fertilizer. Guano fertilizer development is carried out in the form of granules (granules). The targets of this service are vocational students who are related to agriculture. Vocational students are selected as the young generation to know about organic fertilizers and are able to contribute to the implementation of the agricultural industry. Community service activities were carried out with a presentation of the theory and practice of making guano fertilizer. As a result of this activity, students learned about organic fertilizer, namely guano fertilizer and its contents, nutrient content in the soil, balance in maintaining nutrient content in the soil, the practice of making guano fertilizer, and the creation of granule form from guano fertilizer.


2021 ◽  
Vol 70 (1) ◽  
pp. 27-40
Author(s):  
Yaung Kwee ◽  
Khin Soe

In this study, two sites from tea and apple growing sites were collected from Pyay village and Nine Mile village, Mindat district, Chin state of West Myanmar under a humid subtropical climate. The results of physicochemical properties of observed soils were neutral pH, favorable moisture, silty clay loam texture, very high content of organic carbon, organic matter and total nitrogen. However, the tea growing soil was very poor in phosphorus and potassium content. Moreover, both soils lack of available potassium. The content of heavy metals in both soils was not varied from each other and followed the order: Fe (iron) > Cu (copper) >Zn (zinc) > Pb (lead) > Cr (chromium) and was below the maximum allowed concentrations (MAC). Therefore, the studied soils are generally favorable for cultivation under the condition of application of phosphorus and potassium fertilizers. However, due to the regular application of fertilizers and pesticides, it is necessary to monitor these soils for PTE levels. Further research is recommended, which must include analyses of the physicochemical properties of soils to a two depths of 0-30 and 30-60 cm, especially for the area where fruit plants are grown. In addition, higher density of soil samples and sub-samples are necessary to produce a reliable dataset that will allow proper statistical analysis.


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