How to reduce the impact of high temperature ripening on food crops?

High-temperature ripening refers to the high temperature weather encountered during the grain filling period of the crop, which can cause premature root failure, declining function of the leaves, shortening of the maturity period, lack of filling, and a decrease in the weight of 1000 seeds. At the same time, it increases plant respiration and consumes more organic matter. Substances reduce the accumulation of dry matter. Increasing the temperature of the leaves will also strengthen the evapotranspiration and dehydration, destroy the balance of water metabolism in the plants, weaken the grain filling capacity, and prompt the seeds to ripen soon before they reach fullness, resulting in pods.

To prevent premature high temperature ripening of early rice and reduce the loss of production, the following methods or measures can be taken:

(1) Suitable sowing, so that rice flowering filling period to avoid high temperature time, reduce losses.

(2) Take irrigation and other measures to reduce temperature and increase humidity in hot weather. General irrigation time should be carried out at 11 to 13 hours.

(3) Where there is a lack of sprinkler conditions but there is a source of water, daily night irrigation can be used to reduce temperature and increase humidity. The irrigation time is suitable before noon, but the night-time irrigation measures are not suitable for the crazy, muddy or already affected rice fields.

(4) Spraying P and K fertilizers out of roots can increase rice plant's resistance to high temperature and reduce the effect of high temperature injury.

Nuts can generally be divided into two types: one is seeds, such as sunflower seeds, pumpkin seeds, peanuts, etc.; the other is tree nuts, such as pistachios, hazelnuts, cashews, walnuts, pine nuts, walnuts, chestnuts, almonds. And the macadamia and pecans that have been very hot in the past two years. These nut foods contain more protein, calcium and a variety of vitamins, which can provide the body with a variety of nutrients needed by the brain and body.

In general, a nut is a closed fruit classification of a nutrient-covered woody or leathery hard shell. The skin is hard and contains one or more seeds. It includes two types of tree nuts and fruit seeds, walnuts, chestnuts, pistachios, almonds, etc., which belong to the fruit seed class.

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