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How much is a Canadian jujube tree?
Canadian Sea jujube trees are tall and powerful, with three or five arranged into a very good landscape, which is loved by everyone, and many cities are also used to decorate flower beds for festivals. The price of Canadian jujube tree is determined according to its height and other specific conditions. Let's take a look at Canary.
2020-11-09 Canada Lihai jujube price more less money one -
How many levels of protected animals are tigers?
Tigers are first-class protected animals and are distributed all over the world. However, due to human hunting and the deterioration of the environment, tigers in many places have become regionally extinct. Let's introduce several kinds of tigers that still exist at present. Some of the remaining tiger species 1. Siberian tiger
2020-11-11 Tiger yes several levels protection animal tiger level one -
How should land be planted in the desert? Agriculture in sandy areas is in the ascendant.
At present, the development of agricultural production in China is subject to hard constraints such as the reduction of cultivated land resources and the limited carrying capacity of environmental resources. China now has a desertification area of 1.73 million mu, which has great potential to expand agricultural production space in arid desert areas. However, the ecology of the sandy area is fragile, and it is necessary to find a living.
2016-01-10 Desert upper farming should how planting sandy area agriculture current