Winter urine pouring wheat is a traditional production increase measures. According to the measurement, human urine generally contains 0.5% of nitrogen, 0.13% of phosphorus, 0.19% of potassium, and 3% of organic matter. Therefore, the urine of wheat can significantly increase the content of available nutrients such as nitrogen, phosphorus and potassium in the soil and promote the growth and development of wheat seedlings. Many years of production practice have proved that 250-500 kilograms of fresh urine is poured per acre in winter, and generally 25-50 kilograms of wheat can be produced. The effect is very obvious.
The specific time for urinating wheat is generally from the beginning of "winter" to the end of "clear and bright", but it is the best time from freezing to before thawing. Before the soil is frozen, it can be poured at any time during the day, but it must be diluted with equal amount of fresh water to prevent burning of seedlings. During the freezing period, the weather should be sunny and warm at noon or afternoon, and the soil should be poured when it is thawed. It can be poured without dilution with water. .
There are many methods for urinating wheat. It is best to use squat or guttering, and immediately cover the soil after application. If it is applied, it must be timely slashed and loosen after application to remove the compaction, so as to ensure the protection of the soil. The number of pouring facilities is generally 500 to 750 kilograms per acre, up to a maximum of 1,000 kilograms. Pouring too much, easy to burn seedlings in poorly stricken plots. When wheat is poured in winter, the first thing to notice is that the wheat fields covered with snow cannot be poured. Because the snow melts after urinating, the ground temperature suddenly drops, and the wheat seedlings are susceptible to freezing; the second is that the saline-alkali fields cannot be poured. Because of the salt content in human urine, pouring into the wheat field will increase the salt content of the soil, which is detrimental to the growth of wheat seedlings.
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