Summer corn science fertilization

Fertilizer: Ensure that pure nitrogen is applied to 12-16 kg/mu, phosphorus pentoxide is 6-8 kg/mu, potassium oxide is 8-12 kg/mu, or compound fertilizer is 30 kg. When using chemical fertilizers as seed fertilizers, they should not be in direct contact with the seeds to prevent burning.

Bacterial fertilizer: 200 grams of Guris microbial fertilizer is used per acre. When the corn is planted, the mixed fine soil is directly sprinkled into the hole with the seed. Fruitus not only effectively prevents the occurrence of corn root disease, but also improves fertilizer utilization and increases soil organic matter.

Micro-fertilizer: If corn is to grow normally and grow long-eared, like other crops, it will not only need nitrogen, phosphorus, potassium, but also trace elements such as boron, zinc, iron, magnesium and calcium. The demand is particularly prominent. It is recommended that when planting, the amount of micro-element fertilizer in the large treasurer will be 5 kg, and it will be mixed with the fertilizer. If the micro-element fertilizer in the big treasurer has been applied in the last season, this corn field The application can be omitted, because the micronutrient fertilizer in the large treasurer has a long-lasting effect, and the effect of “increasing the yield of wheat and corn once applied once when the wheat is grown”.

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