When watering, spray water to prevent the border from rushing out of the pit, and there are no seeds in the pit to prevent the seeds from being washed away by excessive water flow. When planting amaranth in spring, due to less precipitation and dry air, the surface evaporation is large after watering, which makes the soil surface hard and dry, and amaranth seeds can't break through the topsoil after germination without emergence.

After all the water permeates into the soil, cover the border with plastic film and compact it with soil around it, which can increase the ground temperature and promote the seeds to germinate as soon as possible. Amaranth does not need to be watered before emergence?

Amaranth seedlings are small, and weeds are much higher than seedlings in ten days, so they must be pulled out in time, otherwise they will compete with amaranth for nutrients and affect the lighting of amaranth. After sowing for about 20 days, when the seedlings grow more than 2 leaves, topdressing should be carried out for the first time 1 time. ?

Extended data:

Amaranth likes warm and heat-resistant, and warm and humid climate conditions are most beneficial to the growth and development of amaranth. The seeds began to germinate at 10~ 12℃, and the optimum temperature was 22~24℃. When the temperature exceeded 35℃, both germination and emergence were affected.

Amaranth is not cold-tolerant. When it meets low temperature below 0℃, it will freeze and die. When the temperature is below 10℃, the plant grows slowly, and the optimum growth temperature is 23~27℃. When it exceeds 35℃, the plant will grow poorly, the fiber will increase and the quality will deteriorate.

Amaranth doesn't have strict requirements on air humidity, which requires soil moisture, but it is not resistant to waterlogging. Direct-seeded amaranth has deep roots in soil layer, which has certain drought resistance, but with sufficient soil moisture, its leaves are tender and its quality is better.