The fertilization of flowers should be symptomatic and the fertilization techniques of edible fungi

1. Urea and ammonium sulfate are quick-acting nitrogen fertilizers with high fertility and quick effect, but the effective period is not long. Urea partial alkali, suitable for northern flowers; ammonium sulfate into the soil into acid, suitable for southern flowers, it is best to add water 1000 to 1500 times dilution, and then irrigate, do not sprinkle in the basin, otherwise the flowers and trees will be "burned" due to excessive application.

2. Calcium superphosphate is a kind of quick-acting phosphate fertilizer, which shows slightly acidic reaction, and its fertility is relatively soft. it can be mixed with cultivated soil according to 1RV 100, or sprinkled into flower beds and flower beds before planting and used as base fertilizer after ploughing. When topdressing, add 30 to 100 times water first, soak for one day and night, then take the clear liquid above to irrigate.

3. Potassium dihydrogen phosphate is an advanced available phosphorus and potassium fertilizer, which is odorless and tasteless, and has remarkable fertilizer effect on chrysanthemum, rose, Dahlia, kumquat and other ornamental flowers. When applied, it should be diluted in 500 to 1000 times of water.

4. Boron borate has a significant effect on promoting flower bud differentiation, gestating flower buds and preventing fruit drop. 2000 to 2500 times boric acid diluent can be sprayed to the flower plant several times before and after budding.

5. When ferrous sulfate is used to cultivate flowers in southern acid soil in the north, the leaves often turn yellow and fall off. In order to prevent leaf yellowing, ferrous sulfate solution diluted 500 times can be irrigated regularly, every 15 to 20 days. (he Yong, Agricultural Bureau of Shimen County)