Which period of corn needs water most

1. Seeding - emergence period. Although the water requirement is small, it is critical and important. Adequate and appropriate sensation is the main factor to ensure that corn is fully seeded. Before sowing, it requires sufficient diarrhoea, such as lack of sensation, and timely watering after sowing.

2. Emergence - jointing. The corn needs less water during this period, and its tolerance to drought is stronger. Appropriate drought in the spring corn area is also conducive to seedlings.

3. Jointing - big bell mouth period. Faster growth and increased water requirements. Corn moisture needs should be properly safeguarded.

4. Big bell-mouth period - grouting peak period. About 1 month is the period with the most water demand, especially before and after silking is a moisture-sensitive period. Severe drought will cause drought on the neck of the card, making it difficult to pull males, pollinating poorly, leading to empty stalks, resulting in severe reductions in production and even total production. If drought occurs during this period, it must be irrigated promptly.

5. Late grouting - mature. Water demand is reduced, but drought affects grain weight.

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