How to operate balanced fertilization of corn, first we should understand what is balanced fertilization, nutrient balance usually refers to: balance of nutrient elements: N, P, K, medium and trace elements should be balanced; balance of fertilizer types: biological fertilizer and organic fertilizer The investment of chemical fertilizer should be balanced; the balance of fertilization methods: balance of fertilization methods such as base fertilizer, mouth fertilizer and topdressing (complementing fertilizer); balance of effects during each growth period: to ensure the balance of nutrients in the early, middle and late stages.
Maize is a high-yield crop that requires a large amount of fertilizer. Under the premise of adapting to local conditions and selecting excellent varieties, implementing balanced fertilization technology is an important measure to ensure a substantial increase in corn yield. The yield of corn is composed of the number of panicles per unit area, the number of kernels per ear, and the grain weight. How to balance the development of the three is the key to capturing high yield of corn. Different from other crops such as wheat and rice, corn is basically a single ear. Miaoquan, Miaoyun and Miaozhuang are very important.
In the management of cultivating farmer, it is easy to neglect the management of seedlings and weak seedlings. The seedlings bully and bully, resulting in the reduction of production after the fall of the ear (commonly known as stalk) or spikelet (small stalk). Therefore, attention must be paid to corn production. Application of balanced fertilizer.
Key points of corn balanced fertilization technology
- Application period: 10-15 days after the application of the seedling fertilizer and spatula;
- Seedling fertilization: When the normal seedlings have 6-8 pieces of unfolded leaves (the leaf age can be identified by 5 light and 6 hairs), there are more than 2 leaves and leaves, and the leaves are light green, purple, and thin. Weak seedlings are objects that are used to balance the fertilizer;
- Balanced fertilizer dosage: After mixing the ammonium and 2-3 kg of calcium and 1 kg of urea, mix with 100-200 kg of water.
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