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 pouring 250-500 kg of fresh urine per acre in winter can generally increase 25-50 kg of wheat. The effect is very obvious.
Production time The specific time for urination of wheat is generally from the beginning of "winter" to the end of "clear and bright", but the best time is 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 the seedlings. During the freezing period, the weather should be sunny and warm at noon or afternoon, and the soil should be poured when the soil is thawed. It can be directly poured without dilution with water. .
Methods There are many ways to pour urine in wheat. It is best to use squat or open ditch, and immediately cover soil after application. If it is applied, it must be timely scratched and loosen after application to remove the compaction, so as to preserve the fat. The number of pouring facilities is generally 500 to 750 kilograms per mu, and no more than 1,000 kilograms. Pouring too much, easy to burn seedlings in poorly stricken plots.
The technical requirement for pouring urine in winter without pouring wheat is not high. It should be noted that the wheat fields covered with snow cannot be poured. Because the snow melts after pouring urine, the ground temperature suddenly drops, the wheat seedlings are easily frozen, and the saline-alkali wheat 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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