Shallow water lotus root has begun to grow
Shallow water lotus root planting method
1, lotus root on the environmental requirements: suitable for growth in the environment of clean and pollution-free water, suitable for the growth of the temperature of 20-30 ° C, the water temperature of 21-15 ° C, planting lotus root requirements of the temperature of the water and the low temperature of 15 ° C or more; suitable for the neutral soil, the requirements of the soil quality is not strong, but suitable for the Planted in low-lying rotten fields, deeper silt, more fertile soil swings or rice paddies; like light, pots should also be placed in a sunny place.
Flowering
2, planting methods:
(1) planting shallow lotus root paddy construction: shallow lotus root ponds generally north-south, the area of half an acre to one acre of land, and then larger is not good, the pool width is generally 7-8 meters, between the two pools to leave about 1.8 meters of aisle, digging down about 40cm, the bottom and all around the lotus root planting special membrane, backfill 0.2 meters of soil, combined with backfill soil into the base fertilizer, per mu of 3-4 tons of rotted pig and cow dung, 50 kg of compound fertilizer, 100 kg of rotted soybean cake, 1.5 kg of zinc sulfate, 1.5 kg of ferrous sulfate, borax 0.75 kg.
(2) seed lotus root selection: select high-quality shallow-water lotus root varieties, the requirement of seed lotus root of the apical buds, side buds, leaf buds required to be intact.
Harvesting lotus root
(3) planting time and density: air temperature, water temperature are more than 15 ℃ can be planted, planting density for the row spacing of about 1.2 meters, plant spacing of about 1 meter, planting 2 branches of lotus root in each hole, planting using the oblique insertion method of the head of the seed buried in the mud.
(4) after planting the seed root pay attention to weeding, in the emergence of trees and rooting period of two fertilizer, the main urea fertilizer, rooting period of urea and calcium fertilizer; water management is the key, the water level of the control law for shallow - deep - shallow, pre-growth of the layer of water to maintain the 5-10cm, the growth of the middle of the layer of water to maintain the 20cm or so, you can be appropriately deeper, but the deepest can not be more than 50cm! In the late growth period, the water level should be lowered to 10-15cm to promote the formation of roots.
When the lotus root is growing vigorously, in order to prevent the underground stems from crossing the ridge, check it once in 3-5 days, and turn the lotus root close to the ridge slightly toward the field.