How to scientific fertilize winter wheat

(1) Basal fertilizer: "Wheat is rich in fertility and base fertilizer is the basis", which reflects the importance of applying base fertilizers to winter wheat. The specific method is to use 500 to 600 grams of minerals per acre of "Proud Green" brand minerals and various fertilizers. Home fertilizer mix evenly make base fertilizer.

(2) Seed dressing: Use “Proud Green” brand mineral residue to remove 100 grams of water, and add 25 kg of dried seed to plant seeds.

(3) Top-dressing: The top-spraying method is mainly used for topdressing with the Proud Green Mineral Detoxifier. The specific application period and method are as follows:

1 Return to Qingfei: There is no obvious wintering period in the southwestern and southern winter wheat areas, and there is no return to green manure. The fertilization method for returning green manure in the northern winter wheat region is: 5 kg of urea per acre and 150 kg of water added to 300 g of minerals of aloin mineral detoxification; or 100 kg of mineral depleted water plus 50 kg of urea and 200 g of urea Spraying.

2 tillering fertilization: Generally, after wheat grows 3 to 5 leaves in spring, the method is to use 100 mg of minerals per acre and 50 kg of water plus 300 g of urea to select sunny weather at 10 am or After 4 pm foliar spray.

3 Booting Booting: Fertilizer is the most productive period for wheat from jointing to booting, and it is also the period with the highest fertilization efficiency. The allocation of panicle and booting fertilizers can be flexibly controlled according to the specific circumstances. A look at the size of the group, whether the death of a small childbirth; Second, whether the leaf color is light; 3 see the same organs. After entering the jointing stage, the population is larger, the number of basic seedlings per mu is more than 200,000 to 300,000 spikes above the predetermined number of panicles, the dark green color does not fade, the leaves are drape, and the seedlings with few tillers are rarely lost. Control after jointing period Fertilizer, to speed up the decline of invalid childbirth; to the effective decline of childbirth significantly, when the leaf color fades in the fertilization watering, the method is to use 100 grams of water per acre with minerals, 30 kg of urea and 500 grams of urea foliar spray.

4 Yang-Fang Grouting Fertilizer: Wheat should be topdressed immediately after heading and flowering, and it should be carried out in 5-7 days. Generally, the top-dressing method is to use 100 mg of water and 30 kg of urea and 500 g of urea to spray foliar. 10 to 15 days if sprayed again, the effect is better.

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