Open AccessOnion yield and its dependence on plant density in vegetable crop rotations on Ergenin Upland chestnut soils
Author(s) -
Natalya Ivanovna Matveeva,
V. P. Zvolinsky,
N Yu Petrov,
V A Zaitsev
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/843/1/012032
Subject(s) - hectare , yield (engineering) , crop , hybrid , agronomy , seeding , mathematics , soil water , crop yield , selection (genetic algorithm) , crop rotation , agriculture , biology , ecology , materials science , artificial intelligence , computer science , metallurgy
. 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 F 1 , Benefit F 1 , Valero F 1 , Manas F 1 . 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 F 1 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.