Rice growth cycle

The growth cycle of rice varies from variety to variety, with early-maturing varieties generally maturing after about 60-90 days after sowing, and late-maturing varieties generally taking about 210-240 days to mature after sowing.

It takes about 90 days from the germination of rice seeds to the seedling nodulation period. This period is further divided into four periods. The seedling stage is from the germination of the rice seed to the transplanting of rice seedlings, a **** about 35 days. The transplanting period, from the start of transplanting to the start of planting, takes about 7 to 10 days. Tiller stage is the period from the start of transplanting to the start of growth before nodulation, which takes about 30 days. It takes about 15 days from the start of nodulation to the time before the spikes are conceived.

The period from conception to maturity is called the reproductive growth stage, which takes about 70 days to complete and is divided into four periods. Spike stage, from the beginning of pregnancy to the beginning of tassel, this period of time is about 15 days. The tasseling period, from the beginning of the tassel to the beginning of the breakthrough flowers, about 15 days. Flowering and pollination period, from the beginning of flowering to the beginning of seed filling, takes about 15 to 20 days. It takes about 20 days from the beginning of the filling period to the ripening and harvesting period.

Rice grown in northeastern regions, such as the Northeast, is usually planted only once a year, which is not the same as the growth cycle of rice in the South. Although the growth of crops is now less affected by the natural environment, but crops and vegetables are not the same, can not be planted in greenhouses, the environment is still one of the important factors affecting the planting, the growers in the choice of the number of planting, in addition to looking at the environment and soil conditions, but also to see whether it meets the market demand.