How can high-yield cultivation of sorghum planted in Henan Province? Sorghum has the characteristics of drought resistance, mites 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 planting industry in China. In order to fully tap the potential of China's sorghum production, increase market supply and increase farmers' income, the Ministry of Agriculture's small grain and grain expert guidance group proposed 2016 sorghum production technical guidance.
The spring sowing sorghum and the summer sowing sorghum in our province are all planted. The spring sowing sorghum is mostly distributed on the low-lying and low-lying soils of the soil, and the summer sorghum is mainly distributed on the flat land. Based on the actual production, the spring sowing sorghum often uses the spring sowing late-maturing variety, and the summer sowing sorghum is used as the summer sorghum crop.
Considering that during the growth period of sorghum in our province, the rainfall is usually sufficient. When selecting the variety, the middle-sludge type should be selected to prevent the occurrence of panicle disease, and whether mechanized harvest should be considered. If used for silage, you can choose Liao sweet series, Jin sweet series, if used for green feeding, Jincao series can be used.
Before the sowing, the slashing and ploughing will be carried out in time, and the depth of ploughing will be more than 25 cm, so that there is no leakage and no sloping.
The sowing date was determined according to the growth period of the variety, the ground temperature and the soil moisture. Spring sowing generally 10 cm of plough layer temperature is stable at around 12 °C, soil moisture content is 15% to 20% (mostly in late April). Summer sowing is planted in time after summer harvest to prevent insufficient growth period. Saline-alkali land needs to be covered by film.
The granules are 6,000-7000 strains of sorghum acre, and the acreage is 1 to 1.5 kg. The amount of sowing planted by precision seeding machine is 0.5~0.75 kg.
The main field management measures, one is the weeding of the seedlings. The precision sowing plot can be used as a seedling. After the sowing, spray the atrazine (atrazine) before the emergence of the seedlings. The amount of the acre is 250g to remove the weeds from the 15kg of water. You can also use the mixture of atrazine and Jinduer. Soil spray before seeding. Pay attention to the amount of herbicide used and the time of application to avoid phytotoxicity to other crops grown in the lower jaw. Artificial seedlings were carried out in the 4-6 leaf stage, and weeding can be combined with interplanting and cultivating twice.
The second is fertilizer management. The sorghum jointing flowering period requires the most fertilizer, and it is necessary to apply fertilizer in stages, that is, to increase the application of base fertilizer, to apply sufficient fertilizer, and to apply fertilizer at the right time. Generally, 3,000 kg of farmyard manure, 20-25 kg of pure nitrogen, 56 to 8 kg of P2O, and 5 to 5 kg of K2O (preferably potassium sulfate) are appropriately adjusted according to local soil conditions and target yield.
Farmyard manure as base fertilizer, phosphate fertilizer, potassium fertilizer and 30% of all nitrogen fertilizer combined with seeding for one-time application, 60% of all nitrogen fertilizer for jointing fertilizer, 10% for granular fertilizer. Pay attention to seed and fertilizer when applying fertilizer to prevent burning and affecting emergence.
Sorghum is drought-tolerant and tolerant, but jointing and booting and heading flowering are critical periods of water demand. In case of drought, conditional areas should be flooded in time.
The third is pest control. Aphids, mites, armyworms, and head smut are common pests and diseases of sorghum. The first step is to use disease-resistant varieties. In addition, they should be controlled according to local conditions, such as cropping, seed treatment, timely sowing, and appropriate chemicals. The fourth is timely harvest. The optimum harvest period of sorghum is at the end of the waxing stage. At this time, the harvested seeds are full, the yield is the highest, and the rice quality is the best. The machine can be harvested using a combine harvester.
This article URL: How to produce high-yield sorghum planting in Henan Province
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