Onion yield and its dependence on plant density in vegetable crop rotations on Ergenin Upland chestnut soils

Abstract Abstracts. The years of experiment were from 2016…2020 in a farm on the Ergenin Upland chestnut soils in Volgograd region. The experiments were placed in five fields of vegetable crop rotation with the total area of 165 ha. During the presented period, a competitive test was carried out to identify the most productive samples of onions. The objects of the study were samples -the zoned variety Volgodonets (control variety) of domestic selection, hybrids of foreign selection Pandero F1, Benefit F1, Valero F1, Manas F1. It was found that hybrids give more than twice the yield over the control variety in almost all the variants. But the most optimal and more productive in all cases proved to be option No. 2 hybrid Benefit F1 with the parameters: the seeding rate of 1,000,000 pcs of seeds per hectare with viability of 97.31%, which provided for harvesting 973,100 plants per hectare and achieved a yield of 143.41 t/ha on average for repetitions in 2020. Thus, we can conclude that the seeding rate is 1,000,000 pcs of seeds per hectare in the conditions of chestnut soils of the Ergenin Upland is optimal in the conditions of the existing agricultural technology.

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Tillage and Plant Density as Measures of Adaptation to Climate Change

Technical and technological aspects of development and testing of new machinery and technologies for agriculture of Ukraine ◽

10.31473/2305-5987-2021-1-29(43)-13 ◽

2021 ◽

Author(s):

V. Malyarchuk ◽

◽

E. Fedorchuk

Keyword(s):

Climate Change ◽

Winter Wheat ◽

Plant Density ◽

Wheat Variety ◽

Crop Rotations ◽

The South ◽

Adaptation To Climate Change ◽

Seeding Rate ◽

Wheat Cultivation ◽

Deep Plowing

Abstract. The article presents the results of research of the South-Ukrainian branch of UkrNDIPVT L. Pogoriloho on the adaptation of winter wheat cultivation technologies in grain and steam crop rotations to increase the aridity of the climate by optimizing the density of standing plants, methods and depth of basic tillage. The purpose of research is to adjust the seeding rate by changing the width of the rows when growing winter wheat, as an agro-technological measure of accumulation and rational use of soil moisture (agro-technological direction of adaptation to climate change). Determining the influence of sowing rate, with different methods of tillage, on the productivity and economic efficiency of growing winter wheat in crop rotations on non-irrigated lands of southern Ukraine. Methods and Materials: field, quantitative-weight, visual and laboratory methods. Mathematical and statistical methods were used to systematize and generalize the obtained results. Research results. It has been experimentally established that the replacement of plowing to a depth of 28-30 cm for winter wheat crops with shallow (10-12 cm) disc tillage and reduction of the sowing rate of winter wheat variety «Kherson-99» to 2.25 million pieces similar seeds per hectare, by increasing the width between rows, provided an increase in grain yield by 16.7 % in 2020 and 7.7% in 2021. The profit per 1 hectare with this technology amounted to UAH 13280,5 in 2020 and UAH 28484,9 in 2021, which is 18.4 % and 9.3 % more than similar indicators in deep plowing and 31.3 % and 8.9 % more than the classic sowing rate (4.5 million units/ha). Conclusions. The efficiency of replacing deep plowing with shallow disc loosening and reducing the sowing rate to 2.25 million units/ha in the cultivation of winter wheat Kherson-99 in grain and steam crop rotation of the South of Ukraine was confirmed. A regularity in the size of the effect of reducing the seeding rate under drier conditions of the growing season was revealed.

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Field crop rotations in organic agriculture of the Volgograd region

BIO Web of Conferences ◽

10.1051/bioconf/20202700152 ◽

2020 ◽

Vol 27 ◽

pp. 00152

Author(s):

Alexander A, Shatokhin ◽

Omari G. Chamurliev ◽

Alexander V. Zelenev ◽

Georgy O. Chamurliev ◽

Elena S. Vorontsova

Keyword(s):

Organic Matter ◽

Winter Wheat ◽

Crop Rotation ◽

Organic Agriculture ◽

Green Manure ◽

Spring Barley ◽

Arable Land ◽

Perennial Grasses ◽

Crop Rotations ◽

Volgograd Region

Soil fertility in biologized crop rotations depends on the saturation of them with legumes and sideral crops, perennial grasses, the involvement of grain crops in the organic matter cycle. The crop rotation was studied: 1) four-field grain and steam: clean steam winter wheat chickpeas spring barley (control); 2) five-field grain and steam: occupied steam (clover green manure) winter wheat chickpeas spring barley mustard + clover; 3) seven-field grain and grass: occupied steam (green manure oats) winter wheat mustard chickpeas safflower dyeing spring barley sainfoin (hatcher field); 4) semi-field grass and grassland: occupied steam (phacelia green manure) winter wheat spring wheat chickpeas grain sorghum spring barley alfalfa (hatchery field). The highest balance of organic matter was ensured in a five-field grain-steam crop rotation with clover for green manure +1.92 t/ha, in this crop rotation the highest balance was observed for nitrogen +23.8 kg/ha and phosphorus +1.3 kg/ha, grain harvest from 1 ha of arable land 0.51 t/ha. The greatest balance of potassium was ensured in the seven-field grain and grass-crop rotation with facet on green manure +8.8 kg/ha. The highest humus balance was observed in a seven-field grain-grass-crop rotation with oats per green manure +0.12 t/ha.

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Crop rotations with clover and their productivity

Multifunctional adaptive feed production № 23 (71) ◽

10.33814/mak-2020-23-71-38-42 ◽

2020 ◽

Author(s):

Ol'ga Gladysheva ◽

Oksana Artyuhova ◽

Vera Svirina

Keyword(s):

Forest Soil ◽

Crop Rotation ◽

Gray Forest Soil ◽

Arable Land ◽

Perennial Grasses ◽

Crop Rotations ◽

Field Crop ◽

Pure Steam ◽

Positive Effect

The results of long-term research in experiments with crop rotations with different clover saturation are presented. It is shown that the cluster has a positive effect on the main indicators of vegetation of dark-gray forest soil. The introduction of two fields of perennial grasses into the six-field crop rotation significantly increases both the humus reserves and increases the productivity of arable land by 1.5–2 times compared to the crop rotation with a field of pure steam.

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NITROGEN CYCLES IN CROP ROTATIONS DIFFERING IN FERTILIZATION

Proceedings of the 7th International Scientific Conference Rural Development 2015 ◽

10.15544/rd.2015.058 ◽

2015 ◽

Author(s):

Saulius GUŽYS ◽

Stefanija MISEVIČIENĖ

Keyword(s):

Crop Rotation ◽

Soil Nitrogen ◽

Nitrogen Fertilizer ◽

Nitrogen Balance ◽

Mineral Soil ◽

Crop Productivity ◽

Drainage Water ◽

Perennial Grasses ◽

Crop Rotations ◽

Cereal Crop

The use of nitrogen fertilizer is becoming a global problem; however continuous fertilization with nitrogen ensures large and constant harvests. An 8 year research (2006–2013) was conducted to evaluate the relationships between differently fertilized cultivated plant rotations. The research was conducted in Lipliunai (Lithuania) in the agroecosystem with nitrogen metabolism in fields with deeper carbonaceous soil, i.e. Endocalcari Endohypogleyic Cambisol (CMg-n-w-can). The research area covered three drained plots where crop rotation of differently fertilized cereals and perennial grasses was applied. Samples of soil, water and plants were investigated in the Chemical Analysis Laboratory of the Aleksandras Stulginskis University certified by the Environment Ministry of the Republic of Lithuania. The greatest productivity was found in a crop rotation with higher fertilization (N32-140). In crop rotation with lower fertilization (N24-90) productivity of cereals and perennial grasses (N0-80) was 11–35 % lower. The highest amount of mineral soil nitrogen was found in cereal crop rotation with higher fertilization. It was influenced by fertilization and crop productivity. The lowest Nmin and Ntotal concentrations in drainage water were found in grasses crop rotation. Crop rotations of differently fertilized cereals increased nitrogen concentration in drainage water. Nmin concentration in water depended on crop productivity, quantity of mineral soil nitrogen, fertilization, and nitrogen balance. The lowest nitrogen leaching was found in the crop rotation of grasses. Cereal crop rotation increased nitrogen leaching by 12–42 %. The usage of all crop rotations resulted in a negative nitrogen balance, which essentially depended on fertilization with nitrogen fertilizer.

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Assessment of changes in extreme precipitation affecting the degree of soil erosion in crop rotation

сборник статей всероссийской научной конференции с международным участием "Растениеводство и луговодство" ◽

10.26897/978-5-9675-1762-4-2020-162 ◽

2020 ◽

Author(s):

V.V. Ilinich ◽

◽

A.A. Naumova

Keyword(s):

Soil Erosion ◽

Crop Rotation ◽

Extreme Precipitation ◽

Crop Rotations

the presented research is dedicate to confirming the hypothesis about increase in extreme precipitation of recent decades, affecting the degree of soil erosion in crop rotations.

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APPLICATION OF THE INTENSIVE CROP GROWING TECHNOLOGIES IN CROP ROTATION IS THE STABILITY CONDITION OF THE HUMUS CONTENT OF SOIL

Vestnik of the Russian agricultural science ◽

10.30850/vrsn/2018/3/52-56 ◽

1970 ◽

pp. 52-56

Author(s):

V. А. Shchedrin

Keyword(s):

Soil Fertility ◽

Crop Rotation ◽

Humus Content ◽

Arable Land ◽

Weighted Average ◽

Cropping System ◽

Investment Project ◽

Crop Rotations ◽

High Productivity ◽

Labile Phosphorus

In OOO “Dubovitskoe” which was organized in 2006 as investment project of the AO “Shchelkovo Agrokhim” for 2010 – 2012 three advanced crop rotations have been developed. Before their introduction the grain crops fraction in the cropping system was 62%, then it fell to 49%. At the same time the portion of raw crops increased from 15 to 20%, legumes from 6 to 8%, others (buckwheat, grain maize, etc.) - up to 23%. As of 2017, the crops of leguminous crops have increased noteworthily. There are two predominant soil types here heavy clay loam podzolized chernozem (6615 ha) and grey forest soil (856 ha). Weighted average indicators (as of 2017): humus content in the soils of arable land is 5, 34%; acidity pH is 4.92; labile phosphorus - 111.8 mg / kg soil; exchange potassium - 144 mg / kg soil. The coefficient of the soil fertility in the enterprise (weighted average) is 0.66. This means that maintaining and increasing the soil fertility for arable land of the enterprise is critical task. As a result of the research, it has been established that the technologies introduced in the crop vegetation management (CVS) in the crop rotation conditions ensure high productivity of cultivated crops and stability of humus content in soils as an energy basis and a guarantor of increasing fertility. The indicators of the labile phosphorus Р205 and exchange potassium К20 in the soils depending on the crop rotation vary from a certain decrease to expressed steady growth. Therefore it is necessary to specify seeding rates based on actual data. Sustainable soil acidification in the crop rotations under crop cultivation in OOO “Dubovitskoe” it is the result of the acid feterlizers high rates application, during studying period did not carried out required agromelioration with calcium contenting elements.

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Formation of crop rotation as a means of preventing degradation аnd improving soil fertility of the Carpathian region

Interdepartmental thematic scientific collection "Agriculture" ◽

10.31073/zem.95.20-25 ◽

2018 ◽

Vol 2 (95) ◽

pp. 20-25

Author(s):

O.J. Kachmar ◽

O.V. Vavrynovych ◽

O.L. Dubytsky ◽

A.O. Dubytska ◽

M.M. Shcherba

Keyword(s):

Soil Fertility ◽

Environmental Protection ◽

Crop Rotation ◽

Crop Rotations ◽

Agricultural Crops ◽

Carpathian Region ◽

Methodological Approaches ◽

Rotational Crop

Scientific and methodological approaches to the formation of zonal ecologically safe crop rotations as a basic subsystem of farming in the formation of high, stable productivity of agricultural crops are substantiated, while ensuring the reproduction of soil fertility, increasing the efficiency of fertilizer systems and environmental protection. Various rotational crop rotations for introduction in the conditions of the Carpathian region in farms of different specialization and intensity of production are proposed.

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The efficiency of the crop rotations with short rotation with different levels of their saturation of cereals and crops in the conditions of Western Forest-Steppe

Interdepartmental thematic scientific collection "Agriculture" ◽

10.31073/zem.92.62-68 ◽

2017 ◽

Vol 1 (92) ◽

pp. 62-68

Author(s):

R. Holod ◽

О. Bilinska ◽

H. Shubala

Keyword(s):

Crop Rotation ◽

Green Manure ◽

Water Regime ◽

Crop Rotations ◽

Forest Steppe ◽

Field Crop ◽

Soil Water Regime ◽

Short Rotation ◽

Arable Farming ◽

Green Manure Crops

There were analyzed and disclosed the basic components of arable farming systems and their Meaning, the current state and scientific principles in the context of the further development of field crop cultivation in the conditions of Western Forest-Steppe. The purpose of research. To study an effect of alternation of crop in crop rotation in conditions of brief rotation on the soil water regime, productivity and economic efficiency. Methods. Field, laboratory, comparative and analytical. Results. The results of researches on study of productivity of four-field crop rotations with short rotation depending on their saturation by the grain and tilled cultures, of various use of mineral fertilizers, green manure crops and collateral products which were conducted during 2014-2015 in the stationary experiment of the scientific and technological department of plant growing and arable farming, of the TDSGDS of the IKSGP of NAAN are resulted In the article. The elements of the biologization of farming are the basis of our development of crop rotations with short rotation. The study of the effect of green manure crops and collateral products in four-field crop rotations with a different set of crops on the change of soil fertility and productivity of crop rotations as a whole was carried out to this purpose. According to the results of the research, is provided the information on the effectiveness of improving the field crop rotations with short rotation with varying degrees of saturation by grain and tilled crops, that ensure the production of environmentally friendly products, reducing the cost of grain, improving the quality of marketable products. The study of the effect of alternation of crop in crop rotation in conditions of brief rotation on the soil water regime, productivity and economic efficiency showed that an increase in crop rotation productivity is observed in short-rotation crop rotations, if they are saturated by grain crops up to 100%, cereals crops reduction to 50% in crop rotations contributes to a decrease in crop productivity. Conclusion. Thus, the results of the research showed that with the correct construction of short rotational crop rotations, such problems as rational use of nutrients and soil moisture, control of weeds and pests of agricultural crops, improvement of the physical and chemical properties of the soil, increased efficiency in the use of fertilizers and equipment, Cheapening of the received agricultural product may be solved.

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The Effects of Management (Tillage, Fertilization, Plant Density) on Soybean Yield and Quality in a Three-Year Experiment under Transylvanian Plain Climate Conditions

Land ◽

10.3390/land10020200 ◽

2021 ◽

Vol 10 (2) ◽

pp. 200

Author(s):

Felicia Chețan ◽

Cornel Chețan ◽

Ileana Bogdan ◽

Adrian Ioan Pop ◽

Paula Ioana Moraru ◽

...

Keyword(s):

Plant Density ◽

Conventional Tillage ◽

Quality Parameters ◽

Soil Tillage ◽

Reduced Tillage ◽

Seeding Rate ◽

Soybean Yield ◽

Climate Conditions ◽

Yield And Quality ◽

Tillage System

The regional agroecological conditions, specific to the Transylvanian Plain, are favorable to soybean crops, but microclimate changes related to global warming have imposed the need for agrotechnical adaptive measures in order to maintain the level of soybean yield. In this study, we consider the effect of two soil tillage systems, the seeding rate, as well as the fertilizer dosage and time of application on the yield and quality of soybean crops. A multifactorial experiment was carried out through the A × B × C × D − R: 3 × 2 × 3 × 3 − 2 formula, where A represents the year (a1, 2017; a2, 2018; and a3, 2019); B represents the soil tillage system (b1, conventional tillage with mouldboard plough; b2, reduced tillage with chisel cultivator); C represents the fertilizer variants (c1, unfertilized; c2, one single rate of fertilization: 40 kg ha−1 of nitrogen + 40 kg ha−1 of phosphorus; and c3, two rates of fertilization: 40 kg ha−1 of nitrogen + 40 kg ha−1 of phosphorus (at sowing) + 46 kg ha−1 of nitrogen at V3 stage); D represents the seeding rate (1 = 45 germinating grains (gg) m−2; d2 = 55 gg m−2; and d3 = 65 gg m−2); and R represents the replicates (r1 = the first and r2 = the second). Tillage had no effect, the climate specific of the years and fertilization affected the yield and the quality parameters. Regarding the soybean yield, it reacted favorably to a higher seeding rate (55–65 gg m−2) and two rates of fertilization. The qualitative characteristics of soybeans are affected by the fertilization rates applied to the crop, which influence the protein and fiber content in the soybean grains. Higher values of protein content were recorded with a reduced tillage system, i.e., 38.90 g kg−1 DM in the variant with one single rate of fertilization at a seeding rate of 45 gg per m−2 and 38.72 g kg−1 DM in the variant with two fertilizations at a seeding rate of 65 gg m−2.

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