How can high-yield planting produce high yield? Sorghum has the characteristics of drought resistance, sorghum resistance, salt and alkali resistance, and resistance to thinness. It can be used for many purposes such as wine making, feed, edible, vinegar, energy, etc. It is one of the important crops for the adjustment of crop production in China. . In order to fully tap the potential of China's sorghum production, increase market supply and increase farmers' income. The following small series introduces you to the cultivation of sorghum in Henan Province. How can sorghum planting be high-yield? For the cultivation of sorghum in dry land, you can refer to the following methods:
First, preparation before planting
1. Land preparation: After the autumn harvest, the plots with good sensation should be combined with the autumn ploughing of 1500-2000 kg of farmyard manure, and the squats should be timely and smashed; the plots with poor sorrows can not be turned over or ridged, and early spring, Make the ground flat, crush the real thing, and keep the lyrics.
2, variety selection: the selection of high purity, strong germination, germination rate of more than 85% of the excellent varieties, such as noisy 1, red breeding 7, homozygous 2 and so on.
3, seed treatment: the choice of coated seeds. If the seed is coated at the end, it should be coated to prevent pests and diseases.
Second, sowing
1. Sowing date: Sowing from late April to early May, at the same time, depending on the soil moisture, according to local conditions, timely sowing.
2, the amount of sowing: 1 - 1.5 kg per acre.
3, seeding method: plant spacing is 30 - 33 cm × 40 cm, acres of seedlings 5000 - 5500 plants.
4, increase the application of fertilizer: 10 kg of diammonium phosphate per mu plus 3 kg of urea, avoid contact between fertilizer and seeds.
Third, field management
1. Seedling stage: It is necessary to carry out the seedlings in time, the seedlings and the cultivating and weeding, 3 to 4 leaf time seedlings, 5 to 6 leaves, and the combination of the seedlings and the seedlings for cultivating and weeding.
2. In the middle and late stages: the soil is cultivated in the middle of the festival. Timely re-applying fertilizer (9-10 leaves), generally can be combined with squatting and topdressing, and applying 10-12 kg of urea in the mu, or two times of topdressing, the first time to re-apply the fertilizer 7 9 kg, the second light application of the booting fertilizer 3 - 4 kg, the plots with obvious de-fertilization in the later stage can be applied to the attacking fertilizer as appropriate.
Fourth, timely harvest: When entering the end of wax cooked, it should be harvested in time.
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