Wheat Irrigation Should Do Three Looks

Look at the sky. It depends on the local weather changes and the amount of precipitation at that time to decide whether or not to apply water. If the weather is dry, the soil moisture is insufficient, the temperature is high, and the amount of evaporation is large. It is also the parting period and the jointing period when the wheat water consumption is large. Dry wheat after heading, although the need for irrigation, but encountered windy weather, irrigation in high-yield wheat fields is likely to cause lodging, it should be appropriate to advance or postpone irrigation; in case of cold, frost, or dry hot wind, in order to prevent freezing damage and dry hot wind hazard , to advance the water.

Second look. It depends on soil moisture content, soil quality and topography. Generally, irrigation is performed when the soil moisture content is less than 60% of field capacity. The water-retaining clay and low-lying land with high groundwater should be used for irrigation; the sand with low water retention capacity and the highland with low groundwater level should be filled more frequently; the hills and mountains should be poured first with sunny slopes and then with shade slopes.

Three to see seedlings. It depends on the growth period of the seedlings, the external shape and growth of the plants, the size of the group, and the number of green manure leaves per plant. If the group is small, the wheat seedlings are in effective tillering stage. If drought is encountered, timely irrigation should be performed. , To adjust fertilizer with water, promote growth by fertilizer; such as wheat seedlings in the invalid tiller period, the group is large, growing strong, despite the drought, in order to control the group is too large to reduce the invalid childbirth, it is necessary to less irrigation. Jointing, booting, heading, and flowering have encountered drought, and timely irrigation. If the average number of green leaves per stem is less than 3 during the milk ripening period, it is not suitable for irrigation.

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