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1. The application of organic fertilizer produced by cultivating rot and straw can improve soil fertility and increase nutrient utilization.
2, the application of active silicon magnesium calcium fertilizer to enhance crop rigidity, improve corn photosynthesis.
3, the application of LPK fertilizer can meet the needs of phosphorus and potassium nutrients in corn growth, promote full grain, good taste, and improve the resistance to pests and diseases.
4, the application of green leaf fertilizer can extend the life of functional leaves and promote photosynthesis.
Second, fertilization method:
1, base fat:
1 The application of farmyard manure with rot straw stalk, conventional dosage.
2 Application of active silicon magnesium calcium fertilizer 50kg per mu. (It can be mixed with farmyard fertilizers or it can be mixed with stacking farmyard fertilizers.)
2, top dressing:
1 Miao Fei: 4-5 leaf stage, but the base fat enough seedling growth can not be applied. Mushi LPK fertilizer 2 kg + urea 3 kg, watering 200 times;
2 dial section fertilizer: Mushi LPK fertilizer 4 kg + urea 5 kg, watered 200 times;
3 attack stalk manure: Mushi LPK fertilizer 3 kg + urea 4 kg Duishui 200 times Lin Shi, pay attention to the appropriate application of weak fertilizer on some water.
4 Panicle fertilizer: about 10 days before heading, Mushi LPK fertilizer 3 kg + urea 5 kg, watered 200 times. The amount of fertilizer applied to the stalk and panicle fertilizer should be determined according to the situation of the growth of the corn and the fertility. For the high soil fertility and good seedling potential, the panicle fertilizer should be weighed heavily and the culm fertilizer should be lightly applied. Pan ear fertilizer.
5 grain fertilizers: A green leaf can be sprayed at 1:400-500 times. To spray wet foliage instead of drowning. Prolong the life of functional leaves and promote nutrient conversion.
Third, increase production effect:
Using Jiuhua Jinkuzi special fertilizer, the cost of fertilizer is about 180 yuan, and the output can be increased by 10-30%. And can make full grain, high sugar content, crisp and brittle, high commercial prices, significant economic benefits.
Attachment: Corrosion straw glutinous rice farmyard manure method The first step: per ton farmyard fertilizer with 2kg of corruption straw (such as farmyard fertilizer for straw weeds and other plant residues, the need for additional urea 8 kg per ton) The ratio of the amount of water plus bactericidal liquid. The amount of water depends on the dry and wet conditions of the farmyard manure, and the broth just pours over the compost.
The second step: put the straw, human and animal manure, earth miscellaneous fertilizers, etc. on each layer of 15-20cm layer, and add 5-10% of the raw soil into each layer, evenly throw it once and mix it with the spirit of corruption. The bacteria solution.
The third step: Cover with black film or straw after composting, so as to keep moist and heat. During the process of stacking, it can produce high temperature of 55-700C, which can kill pathogenic bacteria, eggs and grass seeds in the fertilizer. If the stacking can be turned one or two times in the middle, it will be more thorough and effective. Stacking time is 15-30 days.
Corn fertilization method
First, fertilizer characteristics: