Interview relatives of farmers or old people who have been farmers and ask for their opinions:

The days from sowing to maturity of rice are called the whole growth period, and from transplanting to maturity is called the field (Honda) growth period. The growth period of rice will change with the temperature and sunshine hours in its growing season. The growth period of the same variety in the same area is relatively stable under the conditions of timely sowing and timely transplanting, which is the inherent genetic characteristic of this variety.

The life of rice

Seedling stage: seedling stage

Tillering stage of seedlings: effective tillering stage and ineffective tillering stage in greening stage.

Young spike development stage: the completion stage of differentiation stage formation stage.

Flowering and fruiting period: milk mature period, wax mature period and complete mature period.