1. Watering at the right time At the ear of corn, the water consumption is the largest, accounting for 30% to 35% of the total water consumption in the whole life. The water consumption intensity during the tasseling period is the largest, which is the critical period of corn water demand. Drought and water shortage will cause different degrees of production reduction, or even failure. Influencing the yield, when the relative water content of the soil is less than 70%, it is necessary to water in time to avoid the drought and reduce production. 2, supplement application of granular fertilizer The earing stage is the period in which the corn needs the most fertilizer and the maximum fertilizer intensity in the whole life. It should be topdressed according to the situation. For the de-fertilized corn, the grain fertilizer is generally applied during the tasseling to the silking stage, mainly based on nitrogen fertilizer, and urea is applied per acre. About kilograms can promote the grain filling and increase the seed setting rate and grain weight. 3, cultivating soil Interplanting can improve soil permeability and fertilizer supply, promote root development, and remove weeds. Soil cultivation can increase the formation of corn roots, and cultivating soil can enhance the lodging resistance of corn. Because of the windy autumn, it often causes corn to fall. Therefore, it is necessary to cultivate the soil in time after the corn is topdressed to prevent the occurrence of lodging. If the lodging occurs in the late stage of corn growth, it will seriously affect the formation of yield, which can cause serious harvest. 4, pest control Pest control should be detected early and early prevention. Common pests and diseases in the late corn period include: stem rot, leaf spot, smut, corn borer, armyworm, aphid, etc., and should be actively controlled. For the armyworm, use 1.5% of 2.5% deltamethrin emulsifiable concentrate per acre, and water 20-30 kg. When it occurs seriously, the interval is 7-10d, and it is sprayed 2-3 times. For corn leaf spot, spray with 5% chlorothalonil or 75% mancozeb, 70% thiophanate-methyl, etc., 500-800 times. Spraying can be combined with spraying potassium dihydrogen phosphate to prevent premature aging. 5, suitable for late harvest The promotion of suitable late harvest technology can ensure that corn has sufficient grouting time, which is an effective measure to increase grain weight and increase production and income. Strive to harvest corn at the end of September and early October. The standard of corn maturity is that the leaves are white, dry and loose, the milk line disappears, and the grain is shiny. At this time, the grain weight is the highest. This technique does not require any additional cost investment. It is proved that for every one day delay, the 1000-grain weight is increased by about 3 grams on average. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
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The battery capacity of the solar camera determines how long the camera can run without sunlight. The battery of the best solar safety camera can provide power for at least 12 hours, even when the sun is not big, and some models can run for 3 days on battery power. If you live in an area where there is a lot of sunshine all year round, the solar monitoring battery can only work continuously for one night. Long life rechargeable batteries are essential if you live in a place that is not exposed to sunlight for part of the year.
Whether solar monitoring is compatible with smart home Monitoring integrated with smart home systems allows users to view security videos from their smart displays and smart TVs. Some models support the use of voice commands, so you can even talk to the smart lock to lock and unlock the door when you leave.