How to raisepruneNormally, when pruning, just leave the taproot. soilBlue beans like sandy soil and can adapt to poor soil. It is best to prepare sandy soil with permeability. You can mix 3 parts of leaf mold, 3 parts of river sand, 1 part of garden soil, and 1 part of slag. You can add some calcium powder and stir it. WateringCare should be taken to prevent water accumulation and root rot. When dry, you can spray water in the surrounding air. Water should not accumulate in the center of the leaves, otherwise it will cause rot. Avoid rain. Sunlight: Blue beans like sunlight, but they must be protected from high temperatures. Too much sunlight will cause the leaves to age and affect the ornamental effect. Therefore, when the temperature is hot, they should be placed on a balcony or windowsill with sunlight in the morning and evening. FertilizationWhen growing blue beans, you can fertilize them once every 20 days, preferably with decomposed thin liquid fertilizer and nitrogen, phosphorus and potassium compound fertilizer. Blue beans prefer sandy soil and can adapt to poor soil, so it is okay not to fertilize them. When fertilizing, do not splash the fertilizer water onto the leaves. Water thoroughly once in the evening on the day of fertilization to dilute the residual fertilizer liquid in the soil. PrecautionsBlue beans are often harmed by diseases and pests, which can be controlled by spraying with chlorothalonil. Root-knot nematodes can be controlled with 3% furadan granules. The insect pest is the black weevil, which can be killed by spraying 25% carbaryl wettable powder. |
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