Effects of Increasing Phosphate and Potassium Fertilizers on the Control of Cymbidium Anthracnose Influence of N,P,K Ratio on Growth,Fruiting and Fruit Quality of Young Jujube (Zizypus Jujuba) Tree Influence of N,P,K Ratio on Growth,Fruiting and Fruit Quality of Young Jujube (Zizypus Jujuba) Tree