CULTIVATION METHOD OF SEED ONION AND PLANTING ONION TO BULB ONION Russian patent published in 2008 - IPC A01C7/00 A01B79/02 

FIELD: agriculture.

SUBSTANCE: cultivation method of seed and planting onion to bulb onion in irrigated farming includes unstriped planting and treatment. After harvesting the preceding crop in autumn, wide ridges 0.14-0.22 m height are created in the topsoil. Grooves are created between the wide ridges for creation of technological track with the base of 1.4-1.6 m. In early spring after warming up soil in the ridge to the temperature of +2...+5°C the seedbed is created along the ridge in its basis. The seedbed has the form of cylindrical surface with bulge in the direction of the ridge's top. Planting of the seed onion and planting onion is performed in the top of the centre of equilateral (regular) hexagon. Long radius of regular hexagon is equal to average diameter of the seedling of chosen hybrid of onion breed. After planting the seedlings are covered with the layer of granulated soil from the ridge. The topsoil gets compacted creating equidistant surface in the seedbed. The flexible drip line is put over compacted top of the ridge. Such method of seeding provides crop improvement due to efficient usage of chemical fertilizers, agricultural water and decrease of weed density.

EFFECT: increase in onion productivity.

13 dwg, 13 tbl