Normally, when pruning, just leave the main root
Blue beans like sandy soil, can adapt to poor soil, as long as the preparation of sandy soil with permeability is the best. It can be mixed with 3 parts of sapropel, 3 parts of river sand, 1 part of garden soil and 1 part of slag. It can be mixed with some calcium powder and stirred.
Attention should be paid to prevent ponding and root rot. When dry, can spray water in the surrounding air, the center of the foliage should not be waterlogged, otherwise it will cause rotten heart, avoid being drenched.
Sunshine: Blue beans like sunshine, but to prevent high temperature, too warm light, will be aging leaves, affect the viewing effect, so when the temperature is hot, it should be arranged in the morning and evening on the sunny balcony or windowsill cultivation
Bluebeans can be fertilized once every 20 days for breeding. It is better to use the thin liquid fertilizer and NPK compound fertilizer. Bluebeans prefer sandy soil and can adapt to the poor soil, so it is OK not to apply fertilizer. Do not splash the fertilizer water on the leaves when applying fertilizer. In the evening of fertilization, water once to dilute the residual fertilizer in the soil.
Blue beans often have diseases and insect pests, which can be controlled by spraying chlorothalonil, and root knot nematode can be controlled by 3% carbofuran granules. Insect damage is harmful to black elephant beetle. Spray with 25% carbaryl wettable powder.
