It is of great significance to actively develop beer and barley production to meet the needs of the beer industry and accelerate the pace of peasantsâ€™ enrichment. To achieve high and stable production of beer barley, four things should be done:
I. Appropriate selection of improved varieties
Beer barley is a special barley for brewing beer. When planting, high yield, strong disease resistance, strong stress resistance, thin skin, yellowish color, luster, and disease-free plaque should be used. No musty, off-flavored seeds. Also should use high-germination, strong germination potential, uniform grain, protein content of the two-row barley or multi-row barley.
Second, appropriate dilute broadcast
Practice has proved that it is unscientific to rely on increasing the seeding rate and increasing the population structure to take output. Appropriate dilute sowing not only saves the amount of seeds, but also improves the delivery. However, it should be noted that the seed germination rate during thin-seeding must be maintained above 90%. Early sowing, fertilization, more land, higher land mass, 8 kg per acre sowing rate is appropriate; late sowing, soil and fertilization level of the low land, per acre sowing rate of about 10kg. As far as possible, intensive cultivation and uniform seeding. The optimum sowing period for beer barley is before and after the frost fall. Therefore, it must be properly arranged according to the pass.
Third, appropriate nitrogen control phosphorus
Beer barley requires moderate grain protein content and high grain weight. Precocious No. 3 barley with a per mu yield of 400 kg or more, the total amount of fertilizer used during the whole growth period was 20 kg of pure nitrogen. The production of 250-300kg per mu requires 10-15kg of pure nitrogen. Therefore, the application amount of organic fertilizers and phosphorus and potassium fertilizers should be increased and used as base fertilizers. Available nitrogen fertilizers should be used before the three-leaf stage. The spring fertilizers must be applied early, and they should be applied less or not according to the seedling conditions. To avoid excessive nitrogen fertilizer, resulting in late-maturing greed and lodging.
Fourth, the right time to harvest
Beer barley has strict requirements for the harvest period. When the stems, leaves, and sheaths were found to have lost green and yellow, the panicles appeared pale yellow, the grains were normally dehydrated, and the grains of the hand pods were hard and soft, and the wax harvesting period was the best. The grain that is harvested at this time contains moderate protein and can improve the quality of the beer. Because beer uses barley as raw material and is brewed through malt and saccharification techniques, when harvesting beer barley, it should be harvested on sunny days and promptly threshed and sun dried. Do not do it beforehand, so as not to heat inside the stack, â€œsteamâ€ the embryos, reduce the germination rate, and affect the color and quality.
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