How much is the yield per mu of winter jujube tree?

Winter jujube is the most delicious fresh jujube, and the market demand is particularly large. Every year, the winter jujube base can welcome a large number of buyers to buy red dates and sell them to the market. I just don't know how many kilograms of fruit can be produced by an acre of winter jujube trees. Because the yield of jujube trees is related to the region and management mode, we can only talk about it roughly. In a typical year in Shandong, an acre of jujube trees can produce about 1000 kg of fresh dates. In 2007, an acre of "short and dense early" planted in Aksu could produce 34 14 kg of fresh jujube, which set a new high for jujube production.

Close-planted jujube orchards should always keep loose soil and no weeds on the surface, and orchards with good fertilizer and water conditions can occasionally plant grass. Orchard) can be planted with clover, alfalfa, mung beans, peanuts and other leguminous crops with low stalks, nitrogen fixation and competing with jujube trees for water and fertilizer. Orchards with grass should be mowed and covered frequently to keep the height of grass at about 30cm. Jujube fertilization can be divided into rhizosphere fertilization and topdressing outside the root. Rhizosphere fertilization is divided into five stages: before germination, before flowering, during young fruit development, during fruit expansion and before and after defoliation. Results In jujube orchard, 0.3kg urea was applied to plants before germination. Before flowering, 0.4kg urea was applied to plants; 0.3kg diammonium phosphate was applied to plants during the development of young fruits; 0.3 kg diammonium phosphate and 0.3 kg trimer potassium fertilizer were applied during fruit expansion; Before and after defoliation, apply base fertilizer, 4000-5000kg farmyard manure to 667m2, 50kg urea, 50 kg diammonium phosphate and 30-40kg potassium sulfate. External fertilization means foliar topdressing, spraying 0.3% urea-boric acid mixture at flowering stage every year, spraying gibberellin twice if necessary. After flowering and young fruit development, we can spray Brucea javanica on the leaves for 4-5 times, and the interval is about 15d. Winter jujube is not sensitive to the requirement of water, but it should be watered 2-3 times before flowering, flowering and young fruit development in drought. Timely and appropriate watering combined with fertilization has a very significant effect on increasing yield of winter jujube. During the fruit expansion period, continuous rainfall is easy to cause fruit cracking. At present, the best way is to spray DuPont patented products-DuPont Ipoh or DuPont Wanxing. These two chemicals contain oxazolidinone, which can prevent fruit from cracking and losing water, and the spraying effect is the best before rain. Drainage should be done in time in rainy season to prevent waterlogging.