问题
问答题 简答题
为什么化学肥料不能与细菌性肥料混用?
答案
参考答案:
化学肥料有较强的腐蚀性、挥发性和吸水性,若与根瘤菌等细菌性肥料混合施用,会杀伤或抑制活菌体,使细菌性肥料失效。
为什么化学肥料不能与细菌性肥料混用?
参考答案:
化学肥料有较强的腐蚀性、挥发性和吸水性,若与根瘤菌等细菌性肥料混合施用,会杀伤或抑制活菌体,使细菌性肥料失效。
完形填空 | ||||
It's Sunday afternoon, Mary and her mother 1 to do shopping. Her mother wants to buy some 2 for dinner. Mary wants to buy a new skirts and some other things. "What does your shop 3 ?" Mary asks, " 4 things." The girl in the shop says." You can buy food, drinks, clothes and school things, too." Mary and her mother go in, There are many people in it. Mary wants a skirt. " 5 do you want?" asks the girl in the shop. "white." "Have a look 6 this one. It's nice." "How much is the skirts?" " 7 eight yuan." "That's too dear. Can I find a 8 one?" "What about the green one? It's 9 thirty yuan." "OK, I'll 10 it, Thank you ." "You're welcome ." At last, Mary and her mother get home very late with many things.
|