Does planting eucalyptus damage the land?
The reason for the rapid growth of fast-growing eucalyptus is that it will inevitably absorb a large amount of water and nutrients from the soil through its roots to maintain the vegetative growth of its aboveground growth. The condition of planting fast-growing eucalyptus in the south is that the annual rainfall without frost or especially low temperature should reach a certain level to meet the water needs of the plant. If no fertilizer is applied after planting, or if it is not considered to be carried out according to suitable conditions, the soil properties will be degraded and the balanced cycle of water will be affected. Therefore, before planning planting, it should be carried out under the guidance of the local forestry department after demonstration.
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Pest control and fertilization of mulberry in spring
First, we should strengthen the prevention and control of insect pests. The harm to mulberry trees in spring is "mulberry inchworm" and "mulberry caterpillar", which mainly feed on mulberry buds and tender leaves. The control method can be sprayed with 1000-fold solution of dichlorvos in the mulberry bud stage, and mainly captured artificially after the mulberry leaves grow up. Second, timely fertilization. Timely application of spring fertilizer can promote.
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Early and delayed High-yield cultivation techniques of volvariella volvacea
The straw mushroom with poor ventilation is a high-temperature aerobic fungus, which needs enough oxygen in the process of growth and development. In the process of cultivation, in order to improve the stack temperature, sometimes the film covering time is too long, so that too much carbon dioxide in the stack leads to hypoxia, and mushrooms wilt because of poor ventilation, poor exhaust and difficult to grow up normally. Sow seeds.
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