Unfavorable mixed species
Creating mixed forests with more than two tree species can improve land conditions, improve protection, and enhance the ability to resist fire, pests and diseases. However, not all mixed tree species are beneficial. Unfavorable mixed plant types not only inhibit each other's growth, but also cause serious pests and diseases. For example, the following trees:
First, mixed poplar and larch: such as poplar, poplar, Beijing poplar, poplar, poplar and other poplar yellow rust (or yellow powder disease) is the larch host, the earliest disease that year, and then infect Pine leaves cause early defoliation, shoot tipping, late leafing, and small leaves, which seriously impede volume growth.
Second, Populus tomentosa and Sangkeshu mixed planting: Populus tomentosa and mulberry, structure, alfalfa and other Mulberry tree species mixed planting, Populus tomentosa is severely affected by Sang Tianniu. This is because the adult mulberries of Mulberry need to be fed with mulberry trees to supply nutrients for the larvae, and then to harm the poplars. Without Mulberry species, Sangtianni can't lay eggs, thus unable to complete the life history.
Third, cloud shed and larch mixed planting: prone to larch ball maggots, locusts first in the spruce on the continuous sexual reproduction, not only to larch caused serious damage, and the larvae stimulated by the locust tissue susceptible to cancer Fungal spores.
Fourth, mixed spruce and thick cherry planting: prone to spruce cone rust disease, diseased cones earlier crack, so that the seed yield and quality decreased, seriously affecting the spruce natural regeneration and seed collection.
5. Mixed Pinus tabulaeformis and Huang Boluo: These two tree species are mixed and planted, and pine needle rust is prone to occur, the infection is serious, and the windward surface is heavier than the lee surface.
6. Mixing apples with pears: Apples and pears are mixed and planted with a total of rust. However, pears with viruses do not show symptoms. Apple suffers from a decrease in yield, a decline in quality, inability to eat, and even deforestation. .
Our company mainly processes and exports Ginger, which is processed and sold throughout the year. The specifications are: 50g, 150g, 200g, 250g, 300g, 350g.The packages are calcium plastic boxes, cartons and mesh bags.Products are exported to Europe, the United States, South Korea, Malaysia, the Middle East and other countries and regions.The company relies on the good prestige and the excellent product quality has won the general customer the high praise, hoped has the export order the customer please to relate with us.In order to establish long-term business relations, mutual benefit and common development.
Fresh Ginger,Fresh Young Ginger,Fresh Mature Ginger,Bulk Fresh Ginger
Jining Sunagro Trade Co., Ltd. , http://www.sunagro-food.com