When will the sorghum mature?

Sorghum matures from early July to mid-October, and the growth period is generally about 100 days. The phenological period is different in different places, and the sowing time of sorghum is different in different regions, so the mature harvest time of sorghum is also different.

How do you grow sorghum?

The main results are as follows: 1. Seedling fixing: sorghum seedlings in the period of 3-4 leaves and 5-6 leaves, the seedlings should be equally spaced, strong seedlings and normal seedlings, no double seedlings and second stubble seedlings should be left, and miscellaneous plants should be pulled out to improve the purity and give full play to the yield-increasing effect of improved varieties.

2. Timely mid-tillage: sorghum seedling ploughing was carried out for the first time combined with fixed seedlings, and the second time after 10-15 days. Before and after jointing, mid-tillage should be combined with topdressing and soil cultivation to promote the growth of sorghum and enhance the ability of preventing wind, lodging and soil moisture storage.

3. Irrigation management: the water requirement of sorghum at seedling stage accounts for about 10% of the total water requirement at the whole growth stage, 50% at jointing and booting stage, 15% at booting to flowering stage, 20% at filling stage, and about 5% at mature stage, with emphasis on proper irrigation at jointing and booting stage, flowering stage and filling stage.

4. Reasonable topdressing: do not expose fertilizer on the ground surface when topdressing sorghum. After topdressing, you should water it in time. Each topdressing and watering should be controlled according to crop growth, weather and other conditions.

① sorghum can be fertilized according to the situation of seedling emergence.

② sorghum can apply rotten agricultural fertilizer 1000 kg / mu and urea 10-15 kg / mu at jointing stage.

③ sorghum can apply 1000 kg / mu of agricultural fertilizer and 20 kg / mu of urea at booting stage.

④ sorghum can apply 1000 kg / mu of agricultural fertilizer and 10 kg / mu of urea at filling stage.

⑤ sorghum was sprayed with appropriate amount of potassium dihydrogen phosphate from heading to filling stage to promote early maturity and increase yield.