scholarly journals ПЕСКОВАНИЕ КАК ПРИЕМ УЛУЧШЕНИЯ СВОЙСТВ ДЕГРАДИРОВАННОЙ ТОРФЯНОЙ ПОЧВЫ ПРИ РЕГУЛИРОВАНИИ УРОВНЯ ГРУНТОВЫХ ВОД ШЛЮЗОВАНИЕМ

2019 ◽  
pp. 20-28
Author(s):  
 Оlga Zakharova ◽  
D.E. Kucher ◽  
F.А. Musaev ◽  
К. Evsenkin
Keyword(s):  
Peat Soil ◽  
Subsequent Development ◽  
Total Porosity ◽  
Potassium Sulfate ◽  
Favorable Effect ◽  
Mineral Fertilizers ◽  
Original Research ◽  
Net Income ◽  
Peat Soils ◽  
Yield Increase

Результаты многолетних авторских исследований на основе почвенноэкологического мониторинга свидетельствовали о развитии деградационных процессов ранее осушенных торфяных почв Рязанской Мещеры. Положительное влияние оказывает структурная мелиорация (пескование) торфяных почв. Целью исследований являлось изучение свойств осушенной в результате пескования торфяной почвы на мелиоративном объекте ТинкиII в п. Полково Рязанского района Рязанской области. В исследованиях применялся наиболее распространенный тип немецкое смешаннослойное пескование. В основу методологии положен принцип сравнения состояния осушенной торфяной почвы до и после пескования. Опыт включал варианты двухфакторного полевого микроделяночного опыта в условиях шлюзования при снижении УГВ на участке до 90 и 120 см: контроль без пескования и поддержание шлюзованием двух УГВ до 90 см и 120 см с внесением песка дозами 800, 1200 и 2000 т/га. Методика общепринятая. Картофель сорта Алмера выращивался по классической технологии для региона. Размер каждой делянки 2,5 на 3,0 м. Общая площадь делянки при этом составляет 7,5 м2, учётная 3 м2. Размещение делянок систематическое повторность в опыте шестикратная. По гранулометрическому составу песок рыхлый, мелкозернистый. Содержание фракций меньше 0,01 мм составляет 4,3, остальная часть состоит из частиц от 0,25 до 0,05 мм, рН солевой вытяжки 5,7. В опыте вносились минеральные удобрения в небольших количествах: аммиачной селитры 180 г суперфосфата 185 г сернокислого калия 260 г. Водное питание атмосферногрунтовое. Более эффективным является вариант 2 пескование дозой 1200 т/га при шлюзовании и поддержании УГВ90 см. Об этом свидетельствовало улучшение воднофизических свойств почвы: общая порозность выросла на 5 полная влагоемкость снизилась с 270 до 70, то есть почти в 4 раза повысилась температура почвы, что оказало благоприятное влияние на прорастание клубней и последующее их развитие содержание нитратного азота в почве уменьшилось в два раза, что позволило снизить концентрацию нитратов в клубнях до 62 мг/кг, (значительно ниже допустимых величин) прибавка урожайности картофеля составила 44 условно чистый доход составил в опыте 22 тыс. руб. за три года.The results of many years of original research based on soilecological monitoring showed the development of degradation processes of previously drained peat soils of the Ryazan Meshchera. Structural amelioration (sanding) of peat soils has some positive effect. The aim of the research was to study the properties of the dried peat soil at reclamation site TinkiII in the settlement of Polkovo, Ryazan District of Ryazan Region, as a result of sanding. The most common type of German mixedlayer sanding was used in investigations. The methodology was based on the principle of comparing the state of dried peat soil before and after sanding. The experiment included options for a twofactor field microplot experiment under conditions of sluicing when GWL was lowered at a site up to 90 and 120 cm: the control was without sanding and maintaining two GWL up to 90 cm and 120 cm with sluicing, making sand doses of 800 t / ha, 1,200 and 2,000 t / ha. The technique was generally accepted. Potato variety Almera was grown according to the classical technology for the region. The size of each plot was 2.5 by 3.0 m. The total area of the plot was 7.5 m2, and the record area was 3 m2. The allocation of plots was systematic. The replication in the experiment was sixfold. By particle size, the sand was loose, finegrained. The content of less than 0.01 mm fractions was 4.3, the rest consists of particles from 0.25 to 0.05 mm, the pH of the salt extract was 5.7. Mineral fertilizers were applied in the experiment in small quantities: ammonium nitrate 180 g, superphosphate 185 g and potassium sulfate 260 g. The water supply was atmosphericground. Variant 2 was more effective sanding with a dose of 1200 t / ha for sluicing and maintaining GWL 90 cm, as evidenced by improved waterphysical properties of the soil: the total porosity increased by 5 the total water capacity decreased from 270 to 70, that was almost 4 times the soil temperature increased, which had some favorable effect on the germination of tubers and their subsequent development the content of nitrate nitrogen in the soil decreased by half, which made it possible to reduce the concentration of nitrates in tubers to 62 mg / kg, which was significantly lower than permissible values the potato yield increase was 44 and the conditionally net income in the experiment was 22 thousand rubles for three years.

scholarly journals Sanding of drained peatlands

2020 ◽  
Vol 17 ◽  
pp. 00089
Author(s):  
O.A. Zakharova ◽  
F.A. Musaev ◽  
D.E. Kucher ◽  
D.V. Vinogradov ◽  
R.N. Ushakov
Keyword(s):  
Peat Soil ◽  
Total Porosity ◽  
Ecological Monitoring ◽  
Potassium Sulfate ◽  
Mineral Fertilizers ◽  
Original Research ◽  
Peat Soils ◽  
Before And After ◽  
Positive Effect ◽  
Salt Extract

The results of many years of original research based on soil-ecological monitoring showed the development of degradation processes of previously drained peat soils of the Ryazan Meshchera. Structural amelioration (sanding) of peat soils had some positive effect. The aim of the research was to study the properties of the dried peat soil at reclamation site Tinki-II in the settlement of Polkovo, Ryazan District of Ryazan Region, as a result of sanding. The most common type of German mixed-layer sanding was used in investigations. The methodology was based on the principle of comparing the state of dried peat soil before and after sanding. The content of the less than 0.01 mm fractions was 4.3 %, the rest consisted of particles from 0.25 to 0.05 mm; the pH of the salt extract was 5.7. Mineral fertilizers were applied in the experiment in small quantities: ammonium nitrate – 180 g, superphosphate – 185 g and potassium sulfate – 260 g. The water supply was atmospheric-ground. Variant 2 was more effective – sanding with a dose of 1200 t/ha for sluicing and maintaining GWL = 90 cm, as evidenced by improved water-physical properties of the soil: the total porosity increased by 5 %; the total water capacity decreased from 270 to 70%, that was almost 4 times. Keywords: peat soil, degradation, sluicing, sanding, yield, potato.

scholarly journals MOISTURE RELEASE OF TROPICAL PEAT SOILS AS DECREASING WATER TABLE

2019 ◽  
Vol 1 (1) ◽  
pp. 33-37
Author(s):  
Ahmad Kurnain
Keyword(s):  
Bulk Density ◽  
Water Table ◽  
Peat Soil ◽  
Total Porosity ◽  
Crop Growth ◽  
Moisture Retention ◽  
Peat Soils ◽  
Tropical Peat ◽  
Column Method ◽  
Water Tables

Hydro-physics of peat soils varied with their peat decomposition degree. One of the important hydro-physics is ability of the peat soil to release water as decreasing water table. Potential of water availabilty to crop growth is evidently related to this behaviour. The present study was conducted to understand modes of moisture release of peat soils as decreasing water table. Water tables were simulated using a hanging column method. The water table was arranged at levels of 0, 10, 20, 30, 50, and 100 cm below peat column surfaces. Potential of moisture release or in oppositely potential of moisture retention could be modelled with the 3 parameter equation. Highly decomposed peat characterized by higher bulk density and lower total porosity stored less water but retained more water.

scholarly journals SEEKING OF THE RESOURCE-SAVING AND ENVIRONMENT-SPARING TECHNOLOGIES WITHIN RAPE GROWING

2015 ◽  
Vol 1 ◽  
pp. 81
Author(s):  
Lilija Borovko
Keyword(s):  
Oil Content ◽  
Nitrogen Fertilizers ◽  
Mineral Fertilizers ◽  
Net Income ◽  
Harvest Time ◽  
Resource Saving ◽  
Winter Rape ◽  
Yield Increase ◽  
Yield Level ◽  
Yield And Quality

In order to obtain high, qualitative and economically profitable rape yield one needs wholesome and integrated manure, with the aim to ensure the plants' needs for nutritive components and to renovate the soil fertility as well. During 2005 - 2007 there was carried research on the increasing rates of potassic mineral fertilizers K0 - K160 against the background of nitrogen fertilizers N80 and N80+40. Using nitrogen fertilizer 80-120 kg ha-1 the obtained yield increase was remarkable indeed: 0.49-1.09 t ha-1. Increased potassium rate K80 - K160 ensured the yield growth up to 0.17–0.42 t ha-1 The highest oil content 48.22-48.89% was ensured by potassium rate K160. Optimal and economically grounded manure rate is N120P60K80 kg ha-1 with the yield level 2.50 t ha-1 and the oil outcome 1086 kg ha-1. In 2007 and 2008 there was carried research on the rates of stick matter AVENTROL (0.7 and 1.0 l ha-1), and its impact on rapeseed yield and quality. In spring rape sowings the yield increase was 0.49-0.78 t ha-1, but in winter rape sowings –0.72-1.03 t ha-1. The seed humidity, at harvest time, was diminished by 2-6 %. The content of oil in seeds increased by 0.52-1.49 %. The use of the preparation AVENTROL ensured the net income: 57,7 - 161,7 EUR ha-1.

scholarly journals Agrogenic evolution of organic matter in peat soils of Western Siberia

2020 ◽  
Vol 50 (2) ◽  
pp. 5-14
Author(s):  
A. S. Motorin
Keyword(s):  
Organic Matter ◽  
Crop Rotation ◽  
Groundwater Level ◽  
Peat Soil ◽  
Water Soluble ◽  
Perennial Grasses ◽  
Groundwater Depth ◽  
Mineral Fertilizers ◽  
Peat Soils ◽  
Feed Crop

The influence of the groundwater level (GW), vegetable crop rotation and mineral fertilizers on the change in the composition of organic matter of medium-thick peat soil was determined. The study was conducted on lysimeters with an adjustable level (0.5; 1.0; 1.5 and 1–2.0 m) of groundwater occurrence; in a vegetable-feed crop rotation spread in time and space; under perennial grasses without prior cultivation of annual crops. It was established that in the arable layer (0.2 m) of peat soil, the bitumen content at GW level of 0.5 m was lower by 1.65% than at a depth of 1.0 m, and by 4.34% than at a depth of 1.5 m. The maximum amount of water-soluble substances (5.68%) and substances hydrolyzable by 2% HCl (34.25%) was established at GW level of 0.5 m. It was 1.2 and 3.4–3.8% higher than at groundwater level of 1–1.5 m, respectively. With GW level of 1.5 m, the amount of humic acids decreased by 4.5% compared to their occurrence at a depth of 0.5 m. The amount of fulvic acids in the arable layer depends on the GW level (r = 0.79). The content of substances hardly hydrolyzable by 80% H2SO4 in the arable layer decreased from 2.82 to 2.31% with an increase in groundwater depth from 0.5 to 1.5 m. It was observed that the amount of lignin decreased with an increase in groundwater depth from 0.5 (6.66%) to 1.5 m (5.30%). Five- year cultivation of crops in the vegetable-feed crop rotation did not lead to significant changes in the composition of the organic matter of peat. Grassing of peat soils with perennial grasses without sowing pre-crops ensures preservation of peat organic matter and prevents its substantial transformation. Mineral fertilizers reduce the rate of accumulation of hardly-hydrolyzable and non-hydrolyzable forms due to more severe oxidative-hydrolytic conditions in the soil and because of an increase in the amount of fresh plant material as a result of crop and root residues.

scholarly journals Modern mineral fertilizers PhosAgro on carrot in the open ground of Non-Chernozem zone

2021 ◽  
pp. 14-16
Author(s):  
А.Ф. Пэлий ◽  
В.В. Носов ◽  
М.В. Стеркин ◽  
Л.Н. Дубровских ◽  
С.М. Надежкин
Keyword(s):  
Food Systems ◽  
Growth Period ◽  
Soluble Form ◽  
Federal State ◽  
Mineral Fertilizers ◽  
Net Income ◽  
Maximum Increase ◽  
Yield Increase ◽  
Open Ground ◽  
Commercial Yield

Развитие овощеводства в нашей стране направлено на полное обеспечение потребности населения в овощах и основывается на использовании определенного уровня интенсификации производства. Морковь столовая в течение периода вегетации требует непрерывного обеспечения питательными веществами. В начале роста эта культура особенно требовательна к питательным веществам в хорошо растворимой форме. В это время растение потребляет больше всего азота. В период роста корнеплодов возрастает потребность в фосфоре и особенно в калии. В двухлетних исследованиях (2019–2020 годы) на дерново-подзолистой почве в Московской области (ФГБНУ ФНЦО) изучали влияние некорневых подкормок по вегетации комплексным удобрением Apaliqua ЖКУ (жидкое комплексное удобрение) на различных системах минерального питания, разработанных в компании «ФосАгро». Содержание гумуса – 1,54%, pHKCl – 6,1 и 6,63, содержание подвижных форм P2O5 ‒ 437 и 199 мг/кг почвы, K2O ‒ 220 и 211 мг/кг почвы в 2019 и 2020 годах исследований соответственно. Во время опытов проводили фенологические наблюдения, оценивали характеристики развития овощей при различных системах питания, за день до уборки провели оценку биометрических показателей моркови по вариантам опыта. Руководствуясь общепринятыми методиками, был определен дополнительный доход от применения удобрений по вариантам относительно контроля. Максимальная прибавка товарной урожайности в сравнении с контролем в среднем за два года исследований была получена в варианте N92P76K69(S5) с использованием четырех подкормок Apaliqua ЖКУ N11P37и составила 8,7 т/га. При сокращении суммарной дозы азота на 35 кг в действующем веществе до N57P90K120(S20)+28СаО прибавка товарной урожайности к контролю составила 5,6 т/га. В среднем за два года наибольшая величина условного чистого дохода получена в варианте N92P76K69(S5) с использованием четырех подкормок Apaliqua ЖКУ N11P37и составила 83 тыс. р/га, что превышает остальные варианты на 35‒36 тыс. р/га. The development of vegetable growing in our country is aimed at fully meeting the needs of the population in vegetables and is based on the use of a certain level of production intensification. Carrots during the growing season require a continuous supply of nutrients. At the beginning of growth, it is particularly demanding for nutrients in a highly soluble form. At this time, the plant consumes the most nitrogen. During the growth period of root crops, the need for phosphorus and especially for potassium increases. In two-year studies (2019–2020) on sod-podzolic soil in the Moscow region (Federal state budgetary scientific institution «Federal Scientific Vegetable Center»), we studied the effect of foliar top dressing for vegetation with Apaliqua APP complex fertilizer on various mineral nutrition systems developed by PhosAgro. Humus matter – 1.54%, pHKCl – 6.1 and 6.63, content of mobile forms of P2O5– 437 and 199 mg/kg of soil, K2O – 220 and 211 mg/kg of soil in 2019 and 2020, respectively. In the experiments, phenological observations were carried out, the characteristics of the development of vegetables under various food systems were evaluated, the day before harvesting, the biometric indicators of carrots were evaluated according to the experimental variants. Guided by generally accepted methods, additional income from the use of fertilizers was determined according to the control variants. The maximum increase in commercial yield in comparison with the control, on average for two years of research, was obtained in the variant N92P76K69(S5) with the use of four Apaliqua APP top dressing N11P37 and amounted to 8.7 t/ha. When reducing the total dose of nitrogen by 35 kg in the active substance to N57P90K120(S20)+28СаО, the yield increase to the control was 5.6 t/ha. On average, for two years, the largest amount of conditional net income was obtained in the variant N92P76K69(S5) with the use of four Apaliqua АРР top dressing and amounted to 83 thousand r/ha, which exceeds the other variants by 35‒36 thousand r/ha.

Modes of agricultural use, productivity and fertility of developed lowland peat soils

2020 ◽  
Author(s):  
Aleksandr Glubokovskih
Keyword(s):  
Crop Rotation ◽  
Peat Soil ◽  
Perennial Grasses ◽  
Peat Soils ◽  
Fodder Crop ◽  
Agrochemical Properties ◽  
Agricultural Use ◽  
Fodder Crop Rotation

The results of many years of research on the cultivation of crops in fodder crop rotation on dried peat soil are presented. A productive and agroecological assessment of crop rotation with various saturation with perennial grasses is given. The data on the reduction of peat reserves and changes in the agrochemical properties of the soil are presented.

scholarly journals Nitrous Oxide Emissions in Pineapple Cultivation on a Tropical Peat Soil

2021 ◽  
Vol 13 (9) ◽  
pp. 4928
Author(s):  
Alicia Vanessa Jeffary ◽  
Osumanu Haruna Ahmed ◽  
Roland Kueh Jui Heng ◽  
Liza Nuriati Lim Kim Choo ◽  
Latifah Omar ◽  
...  
Keyword(s):  
Nitrous Oxide ◽  
Soil Temperature ◽  
Peat Soil ◽  
Farming Systems ◽  
N2o Emission ◽  
Nitrous Oxide Emissions ◽  
Natural State ◽  
N2o Emissions ◽  
Wet Season ◽  
Peat Soils

Farming systems on peat soils are novel, considering the complexities of these organic soil. Since peat soils effectively capture greenhouse gases in their natural state, cultivating peat soils with annual or perennial crops such as pineapples necessitates the monitoring of nitrous oxide (N2O) emissions, especially from cultivated peat lands, due to a lack of data on N2O emissions. An on-farm experiment was carried out to determine the movement of N2O in pineapple production on peat soil. Additionally, the experiment was carried out to determine if the peat soil temperature and the N2O emissions were related. The chamber method was used to capture the N2O fluxes daily (for dry and wet seasons) after which gas chromatography was used to determine N2O followed by expressing the emission of this gas in t ha−1 yr−1. The movement of N2O horizontally (832 t N2O ha−1 yr−1) during the dry period was higher than in the wet period (599 t N2O ha−1 yr−1) because of C and N substrate in the peat soil, in addition to the fertilizer used in fertilizing the pineapple plants. The vertical movement of N2O (44 t N2O ha−1 yr−1) was higher in the dry season relative to N2O emission (38 t N2O ha−1 yr−1) during the wet season because of nitrification and denitrification of N fertilizer. The peat soil temperature did not affect the direction (horizontal and vertical) of the N2O emission, suggesting that these factors are not related. Therefore, it can be concluded that N2O movement in peat soils under pineapple cultivation on peat lands occurs horizontally and vertically, regardless of season, and there is a need to ensure minimum tilling of the cultivated peat soils to prevent them from being an N2O source instead of an N2O sink.

scholarly journals Pineapple Residue Ash Reduces Carbon Dioxide and Nitrous Oxide Emissions in Pineapple Cultivation on Tropical Peat Soils at Saratok, Malaysia

2021 ◽  
Vol 13 (3) ◽  
pp. 1014
Author(s):  
Liza Nuriati Lim Kim Choo ◽  
Osumanu Haruna Ahmed ◽  
Nik Muhamad Nik Majid ◽  
Zakry Fitri Abd Aziz
Keyword(s):  
Carbon Dioxide ◽  
Nitrous Oxide ◽  
Peat Soil ◽  
Nitrous Oxide Emissions ◽  
N2o Emissions ◽  
Peat Soils ◽  
Closed Chamber ◽  
Npk Fertilizers ◽  
Npk Fertilizer ◽  
Carbon Dioxide Co2

Burning pineapple residues on peat soils before pineapple replanting raises concerns on hazards of peat fires. A study was conducted to determine whether ash produced from pineapple residues could be used to minimize carbon dioxide (CO2) and nitrous oxide (N2O) emissions in cultivated tropical peatlands. The effects of pineapple residue ash fertilization on CO2 and N2O emissions from a peat soil grown with pineapple were determined using closed chamber method with the following treatments: (i) 25, 50, 70, and 100% of the suggested rate of pineapple residue ash + NPK fertilizer, (ii) NPK fertilizer, and (iii) peat soil only. Soils treated with pineapple residue ash (25%) decreased CO2 and N2O emissions relative to soils without ash due to adsorption of organic compounds, ammonium, and nitrate ions onto the charged surface of ash through hydrogen bonding. The ability of the ash to maintain higher soil pH during pineapple growth primarily contributed to low CO2 and N2O emissions. Co-application of pineapple residue ash and compound NPK fertilizer also improves soil ammonium and nitrate availability, and fruit quality of pineapples. Compound NPK fertilizers can be amended with pineapple residue ash to minimize CO2 and N2O emissions without reducing peat soil and pineapple productivity.

NFLUENCE OF METHODS AND TECHNIQUES OF BASIC PROCESSING ON SOIL MOISTURE, DENSITY OF ADDITION AND YIELD OF PEAS

2021 ◽  
Vol 2 (21) ◽  
pp. 74-80
Author(s):  
S.N. Osaulenko ◽  
◽  
V.S. Polous ◽  
Keyword(s):  
Soil Moisture ◽  
Surface Treatment ◽  
Ordinary Chernozem ◽  
Mineral Fertilizers ◽  
Net Income ◽  
Zero Tillage ◽  
Average Yield ◽  
Methods And Techniques ◽  
Direct Sowing

Seed peas were sown in 2016-2018 after plowing to a depth of 22-24 cm, as well as with surface (6-8 cm) and zero tillage with the introduction of mineral fertilizers at a dose of N6P26 for the predecessor of mogar (crop sowing). The productive moisture in the 0-100 cm layer before sowing was 167.2 mm when plowing to a depth of 22-24 cm and 158.4 mm-without mechanical tillage. Its content was determined by 18% of the precipitation for November-February and by 2% - the depth of the main tillage. Before harvesting, 64.1 mm of available moisture was preserved on the plowed plots. The density of addition of ordinary chernozem in a layer of 0-30 cm with zero treatment before sowing was 1.15 g / cm3, before harvesting-1.18 g/cm3. This exceeded the con-trol version by 0.07 g/cm3 and 0.03 g/cm3, respectively. The average yield of peas in 2016-2017 was 3.79 t / ha for plowing, 3.71 t / ha for surface treatment (by 6-8 cm), 3.61 t / ha with direct sowing technology, providing a conditional net income 12,9-13,7-14,0 thousand rubles / ha, re-spectively.

Agrotechnological passport of the potato variety Signal

2021 ◽  
pp. 33-36
Author(s):  
А.Э. Шабанов ◽  
А.И. Киселев
Keyword(s):  
Potato Variety ◽  
Central Region ◽  
Sandy Loam ◽  
Agricultural Practices ◽  
Subsequent Development ◽  
Sandy Loam Soil ◽  
Planting Density ◽  
Research Centre ◽  
Mineral Fertilizers ◽  
Loam Soil

Опыты проводили в 2018–2020 годах на экспериментальной базе «Коренево» (Московская область) в условиях дерново-подзолистой супесчаной почвы Центрального региона Нечерноземной зоны России. Цель исследований – изучить реакцию нового среднеспелого сорта картофеля Сигнал селекции ФГБНУ «ФИЦ картофеля имени А.Г. Лорха» на сроки, густоту посадки и приемы внесения минеральных удобрений по комплексу хозяйственно ценных признаков (морфологические и биологические особенности, потребительские и столовые качества клубней, урожайность, показатели качества клубней, устойчивость к болезням, лежкость при хранении). Выбор исследуемых агроприемов обусловлен необходимостью ускорения появления всходов, последующего развития растений и формирования достаточно значимого уровня урожая клубней до наступления неблагоприятных метеорологических условий (жара, засуха), а также обеспечения бесперебойного питания растений в течение всей вегетации, так как на супесчаных почвах во время выпадения осадков происходит вымывание питательных веществ в недоступные для корневой системы растений слои. Клубни высаживали в два срока: ранний (третья декада апреля при температуре почвы не ниже 5–7 °C) и базовый (контроль) – через 7–10 дней после первого срока. Посадку проводили на фоне удобрений, внесенных локально тремя приемами при нарезке гребней и последующих междурядных обработках двумя лентами: 1. Основное N90P90K135(контроль); 2. Дробное №1 (стартовое N60P60K90+ подкормка N30P30K45 через 7–10 дней после всходов); 3. Дробное №2 (стартовое N30P30K45 + подкормка N30P30K45 через 7–10 дней после всходов + подкормка N30P30K45 в фазе бутонизации). Густота посадки: 44, 50 и 56 тыс. клубней/га по схеме 75×30; 75×27 и 75×24 см. Определен наиболее эффективный комплекс агроприемов, включающий раннюю посадку (третья декада апреля при температуре почвы не ниже 5 °C) с густотой 44 тыс. клубней/га на фоне дробно-локального внесения удобрений (№1). В условиях дерново-подзолистой супесчаной почвы Центрального региона Нечерноземной зоны сорт дает прибавку урожая в размере 3,9 т/га, или 10,3%. При этом условный доход составляет 43,0 тыс. р/га. Ключевые слова: агротехнологический паспорт, урожайность, срок, густота посадки, прием внесения, потребительские и столовые качества, условный доход. The experiments were carried out in 2018–2020 at the experimental base Korenevo (Moscow region) in the conditions of sod-podzolic sandy loam soil of the Central region of the Non-Chernozem zone of Russia. The aim of the research is to study the reaction of a new medium-ripe potato variety from the selection of Russian Potato Research Centre on the timing, planting density and methods of applying mineral fertilizers according to a complex of economically valuable characteristics (morphological and biological features, consumer and table qualities of tubers, yield, quality indicators of tubers, disease resistance, shelf life). The choice of the studied agricultural practices is due to the need to accelerate the emergence of seedlings, the subsequent development of plants and the formation of a sufficiently significant level of tuber yield before the onset of adverse meteorological conditions (heat, drought), as well as to ensure uninterrupted nutrition of plants throughout the growing season, since on sandy loam soils during precipitation, nutrients are leached into layers inaccessible to the root system of plants. Tubers were planted in two terms: early (3rd decade of April at a soil temperature not lower than 5–7 °C) and basic (control) – 7–10 days after the first term. The planting was carried out against the background of fertilizers applied locally in three methods when cutting the ridges and subsequent row-to-row treatments with two tapes: 1. Basic N90P90K135 (control); 2. Fractional No1 (starting N60P60K90 + top dressing N30P30K45 7–10 days after germination); 3. Fractional No2 (starting N30P30K45+ top dressing N30P30K45 7–10 days after germination + top dressing N30P30K45 in the budding phase). Planting density: 44, 50 and 56 thousand tubers/ha according to the scheme 75×30; 75×27 and 75×24 cm. The most effective agro-complex of techniques was determined, including early planting (3rd decade of April at soil t not lower than 5 °C) with a density of 44 thousand tubers/ha against the background of fractional local fertilization (№1). In the conditions of sod-podzolic sandy loam soil of the Central region of the Non-Chernozem zone, the variety gives an increase in yield of 3.9 t/ha, or 10.3%. At the same time, the conditional income is 43.0 thousand rub/ha.

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