Core Tip: In 2011, China's bulk commodity top ten in the foreign dependence degree list without exception exceeded 40%, including soybean, natural rubber and .......
First, choose the high-quality and deep-processing shaped sweet potato varieties Yushu No. 8, No. 7, Xuzhou No. 18, No. 1, Meiying No. 1, Yushu No. 13 and No. 12. Edible varieties can be used 139, Beijing 533, Zheng 20, Sushu 8, No. 3 and so on.
Second, sweet potato fertilizer shou.......
Water block damage
When the diesel engine is working, it suddenly emits a large amount of engine oil from the respirator. First, it is judged that the water plug on the cylinder head is damaged. After the water plug is damaged, the cooling water leaks into the oil pan and the oil l.......
1? Mechanism? Urea has the effect of destroying the body wall chitin of the mites. The laundry detergent contains surfactant sodium alkylbenzene sulphonate, which can dissolve the waxy layer of the mites body wall and adhere to the above to form impervious and airtight. A layer of film, re.......
Apricot trees that are left uncultivated due to tree disorder, many branches, bald guilt, overcrowded canopy, canopy closure, poor ventilation and light transmission, and the resulting parts of the apricot tree are shifted outward, and the tree vigor is strong and weak, resulting in low yi.......
Leek contains more nutrients, especially cellulose, carotene, vitamin C and other contents are higher. Eating leeks in spring can improve your immunity.
Leek is a kind of aphrodisiac that can be used for both medicine and food. Folks have been known as yangcao since ancient times, .......
Looking at the milk, the milk that is squeezed out by hand is honey-colored and has a paste. Most of the non-flowing milk is pregnant cows. If it is white and thin, and it will naturally flow out of the milk, it will be empty cows.
Looking at breast breast swelling, straightening t.......