How to spray selenium-enriched foliar fertilizer on rice to produce selenium-enriched rice

Description of spraying time of selenium-enriched foliar fertilizer:

1, according to the pollution degree of cultivated land, choose rice and wheat to spray selenium-enriched foliar fertilizer 1-2 times from vigorous tillering stage to heading stage; For example, spraying at jointing stage 1 time and spraying at heading stage 1 time.

2. Spray foliar fertilizer at 4 pm on sunny or cloudy days.

(at this time, the light and temperature are suitable, which is beneficial to crop absorption; If foliar fertilizer is sprayed in the hot sun and high temperature period, the water evaporates quickly, which leads to the increase of fertilizer solution concentration, which can not be absorbed by crops and even fertilizer damage. It rains 24 hours after spraying, and it needs to be sprayed again to ensure the effect. );

Description of selenium-enriched foliar fertilizer dosage:

1, spraying selenium-enriched foliar fertilizer about 1 bottle each time, 500ml per bottle.

2. Spraying foliar fertilizer with 50- 100 times of water manually, and spraying foliar fertilizer with 5- 10 times of water by unmanned aerial vehicles.

3. Standard for spraying foliar fertilizer: spray until there are water droplets on the leaves to ensure the spraying effect.

Precautions:

1, when using foliar fertilizer, it should be used now, and the prepared silicon fertilizer should not be left for a long time.

2. Use a sprayer with good atomization effect for foliar spraying.

3. Don't use foliar fertilizer in rainy days. If it rains within 24 hours after spraying, it needs to be replenished. Rain will wash away fertilizer, affecting fertility and effect.

4. Do not spray pesticides or other foliar fertilizers, so as not to affect the use effect.

5. foliar fertilizer can't be sprayed during flowering to avoid reducing production.

6. Keep it out of children's reach, and beware of children eating by mistake.

7. In the process of spraying foliar fertilizer, you need to wear protective articles (gloves, masks, work clothes, eye protection) to splash clothes or other objects. Please clean them with water within ten minutes.

I hope I can help you ~