The spread of agriculture in south-eastern Europe: new data from North Macedonia

North Macedonia is a crucial region for understanding the spread of agriculture into the Mediterranean and Central Europe. To date, however, the area has been subject to relatively limited archaeological research. Here, the authors present use-wear and archaeobotanical analyses on material from two Neolithic sites, Govrelevo and Vrbjanska Čuka, to investigate practices that were previously unstudied in this part of the Balkans, such as sowing, cultivation and harvesting techniques. The results suggest the presence of permanent crop fields located in wetlands, with autumn and spring sowing, and harvesting using curved sickles. The study illuminates early agricultural practices in North Macedonia and adds to our knowledge of the spread of the Neolithic package across Europe.

EMPIRICAL USE OF THREE OAK SPECIES IN AFFORESTATION: LESSONS FROM SOWING AND TRANSPLANTING EXPERIMENTS

The effects of different factors on the growth in height and diameter of oak saplings in comparative cultures were estimated: progeny from autumn and spring sowing of acorns (1); growing conditions of pedunculate oak (Quercus robur L.) mother plants (2); the initial planting density of sessile oak (Q. petraea Liebl.) (3); natural lightening level of downy oak (Q. pubescens Willd.) mother plants (4). The pedunculate oak seedlings obtained after spring sowing were characterized by faster growth compared with those obtained from the autumn sowing. The lower growth rate observed in seedlings sown in autumn was due to the prolonged frosty weather during winter, which led to a decrease in acorn viability and progeny vigour. Due to the higher genetic diversity of the progeny obtained from the free-pollinated pedunculate oaks, it is possible that their growth was more intense and stable in comparison to those of saplings obtained from the acorns of isolated trees. The planting under the forest canopy had a clear influence on the growth in height of saplings. At low density levels (1.0 x 1.0 m), the sessile oak saplings benefited from larger availability of soil nutrients and displayed the highest growth, contrasting with those planted at high density (0.5 x 0.5 m). The deep and moderate shading caused a substantial reduction in the growth of downy oak saplings. Therefore, when planting, it is recommended to avoid using fast-growing species, which, due to asymmetric competition, could drastically reduce the growth in height of the downy oak saplings. Prolonged regeneration of the pruned root system following the transplantation process of sessile and downy oak seedlings determined their very slow growth in the first years of life.

The effect of hydrothermal conditions on the formation of productivity of the facultative barley variety ‘Marusya’ in the southern part of the Rostov region

In the cultivation regions with unstable moisture there are fluctuations in grain crop productivity, which is mainly determined by the definite hydrothermal conditions. The purpose of the current study was to determine the effect of hydrothermal conditions on the formation of barley productivity during autumn and spring sowing periods in the southern part of the Rostov region. When conducting the trial, barley plants experienced a lack of air humidity and were insufficiently provided with precipitation, both in autumn and spring sowing periods, and the coefficient of moisture supply for barley crops was 0.53 and 0.45, respectively. There was found that the longest vegetation period of 235 days was observed during sowing on September 10, when the sum of positive temperatures was also the highest, 2010.4 °C. In the spring sowing periods, these indicators were the smallest: the vegetation period was 83 and 92 days, the sum of positive temperatures was 1555.2 and 1579.3 °C, respectively. There was established that for productivity formation (6.38 t/ha) in autumn sowing, the total moisture consumption of the facultative barley variety ‘Marusya’ was 308.5 mm per 1 ha, and the total moisture consumption per 1 ton of grain was 483.5 m3 on average for 2018-2020. In the total consumption of moisture, precipitation was 95%, and the share of soil moisture was 5%. When sowing in the spring, the variety ‘Marusya’ produced 4.26 t/ha and consumed 211.4 mm of moisture per hectare, and the total moisture consumption per 1 ton of grain was 496.2 m3. In the total consumption of moisture, precipitation was only 34%, and the share of soil moisture was 66%.

On the issue of alcoholic psychoses in children and alcoholism among young people

While on a business trip for agricultural health care. workers in the spring sowing campaign in 1931 (Kolpakovsky state farm Sakhkombpnata "Collectivist" Ivaninsky district Ts. Ch. O), I observed a case of acutely developed alcoholic psychosis in a peasant boy of 3 years of age.

Comparative analysis of cultivar samples of meadow clover from a competitive variety test with high feed qualities

The article provides information on the yield of green mass, dry matter, nutritional value, as well as the yield of seeds of promising numbers of meadow clover in a competitive variety test. The purpose of research on the combination of economically valuable characteristics (dry matter yield, dry matter yield) is to identify promising cultivars of single-grained diploid meadow clover in nurseries of competitive variety testing for further work and transfer of promising material to breeding nurseries. Research methodology and methods. The material for the study was 14 cultivars of meadow clover, self-selected, obtained by hybridization and polycross, standard is Orion. In the nursery of the competitive variety testing (sowing 2018), the productivity was evaluated during spring sowing, under the cover of spring wheat. The accounting area of the plot is 100 m2, when evaluating the numbers for feed productivity, the repetition is fourfold. Observations and records were carried out according to the generally accepted methodology. Meteorological conditions in 2018–2020 varied significantly from the long-term average. Results. The yield of green mass for two years was 51.35–63.3 t/ha. The numbers significantly exceeded the standard: Ogonek × Ermak (7) – by 7 %, Orfey – 10.5 %, Oniks – 11.4 %, Vitebchanin × Orfey (5) – by 10.7 %. The collection of dry matter for two seasons was 10.93–13.95 t/ha. The numbers were highlighted: Ogonek × Ermak (7) – 13.7 %, Orfey – 15.3, Oniks – 8.5, Vitebchanin × Orfey (5) – 9.8 and 143-98 – 10.8 %. The seed yield in 2019 was 92–176. 6 kg/ha. The protein content for the season was 14.20–17.52 % in 2019, and 12.89–16.60 % in 2020. The average protein harvest for two years was 1593–2196 kg/ha. The highest indicator was provided by the following numbers: Ogonek × Ermak (7) – 2135 kg/ha (+15.8 % to st.), Orfey – 1960 kg/ha (+6.3 %), 143-98 – 1958 kg/ha (+6.2 %), Oniks – 2054 kg/ha (+11.4 %) and Vitebchanin × Orfey (5) – 2196 kg/ha (+19.2 %). Scientific novelty. As a result of the conducted research, promising cultivars were identified, which will be included in the further selection study.

On the work of the medical team during the spring sowing season in 1932 at the "Jedalik" collective farm of the Nariman village council of the Aravan-Burin region Kir. YSSR

Plan: 1 / General characteristics of the collective farm, 2 / production plan, 3 / work of the health center: a / introduction of a minimum of sanitary, b / approaching first aid to the brigade, c / organization of sanitary posts, d / combating injuries and simulation and absenteeism, e / organization and assistance to a kindergarten and a playground, f / provision of medical assistance at a health center, the fight against smallpox.

The estimation of Trollius L. species and hybrids by seed germination

The article describes the laboratory germination and seed dormancy duration of five Trollius species andfour hybrids, which has been grew ex situ. The species and forms with high seed germination were detected from the dataobtained: T. ledebourii Rchb. (92 %), T. chinensis Bunge (93,5 %) end T. chinensis × T. ledebourii (82 %). Besides a high germination, the T. ledebourii seeds have the short dormancy period (22 days) and good sprouts. Therefore, the T. ledebourii seeds can be recommended for both autumn and spring sowing. The above mentioned Trollius species and forms arepotential for ornamental cultivar creation by further selection. The seeds of following species and forms T. apertus Perf.ex Igoschina, T. europaeus L., T. sajanensis (Malyschev) Sipliv., T. asiaticus × T. sajanensis, T. ledebourii × T. altaicus and T.× cultorum have low germination and long dormancy period. The examination of stratification treatment parameters andagrotechnical measures is needed for the germination of these seeds to get higher.

FORAGE YIELD AND SOME QUALITY TRAITS OF PERSIAN CLOVER AT WINTER AND SPRING SOWING UNDER EDIRNE ECOLOGICAL CONDITIONS, TURKEY

The research was carried out to determine the forage yield and some quality properties of Persian clover (Trifolium resupinatum L. ssp. majus Boiss.) at different sowing times (winter and spring) under Edirne ecological conditions, Turkey. The study was conducted during 2015-2016 at Degirmenyeni village of the Edirne province in Thrace, Turkey. Experiments were planted in randomized block design with three replications. The different sowing times affected the plant height, stem diameter, number of leaves per main stem, number of branches per plant, leaf length and leaflet length. The effect of sowing times on the leaflet width was not significant. Higher herbage (29.92 t ha-1) and hay (7.05 t ha-1) yields were obtained from spring sowing. The crude protein, crude fiber, neutral detergent fiber, acid detergent fiber, potassium, calcium, magnesium and phosphorus contents ranged from 20.03-20.14, 20.87-20.96, 40.42, 29.77-29.93, 1.45-1.46, 1.29-1.30, 0.48-0.49 and 0.41-0.42 %, respectively in Persian clover at different sowing times.

Grain productivity and quality of the facultative barley variety ‘Marusya’ when sowing in winter and spring

The current study was carried out on ordinary blackearth (chernozem) in the southern part of the Rostov region in the FSBSI “ARC “Donskoy” (2017–2020 agricultural years). The purpose of the work was to identify the effect of autumn and spring sowing periods on grain productivity and quality of the facultative barley variety ‘Marusya’ according to various forecrops. There has been considered the dynamics of the productivity of the variety ‘Marusya’ depending on the sowing time when sown after maize for grain and sunflower. There has been established high adaptability of the variety ‘Marusya’ after nonfallow forecrops. It has formed a high productivity when sown in autumn at various times. There has been found out a positive reaction of the variety to sowing on September 10, 20 and 30, where the maximum productivity when sown after maize for grain was 6.76–6.91 t/ha. When sowing at later time, there was a slight decrease in productivity. When sown in spring, the highest protein percentage in grain was 11.0 and 11.6%. However, due to the highest productivity, the maximum protein yield was when sowing in autumn, up to 0.71 t/ha. The calculation of the economic efficiency of grain production showed that the highest profitability (214.1 and 214.4%) was obtained when the variety ‘Marusya’ was sown on September 10 and 20 after maize for grain. On average, over the years of study, the maximum conditional net income according to the forecrop, depending on the sowing time, was from 59658 to 84261 rubles/ha when sown in winter and from 48881 to 59170 rubles/ha in spring. The minimum profitability 62.1–75.2% was identified when sown in spring in 10 days after the soil was physically mature.