A:铵态氮肥和草木灰(含K2CO3)能混合施用
B:化肥和农家肥(如绿肥)不可混合施用
C:“盐碱地”中有Na2CO3通过加石膏使之生成碳酸钙,这样根据平衡移动原理,随着c(CO32—)浓度的降低,“盐碱地”的碱性降低
D:复合肥(如磷酸氢二铵)和生石灰能一起施用
根据表格内容,从题中所给的A、B、C、D四个选项中选出最佳答案。
Enjoy Harvesting
Want to relax yourself?
Want to experience country life?
Come and pick litchi!
Free for a taste.
Price:¥20 per kilo Dates: July 20th-July 28th
Add: Changlin village Tel:277-8688
Fitness Band on sale
Smartwatches without the watch
Monitor speed, time, distance, caloties burned, etc.
Long battery(电池)life (5 days)
¥800 (20% off for students)
Tel:289-6799
Visit Sam Mall for more information.
Ice and Snow Festival
Charming Ice Carving
Amazing World of Ice and Snow
Welcome to Fenghuang Park!
Dates: July 1st -July 25th
¥20 for each adult (half for each student)
Tel:288-6299
Super Pillow(枕头)Fight Party
Pillow Fight, a popular activity among young foreigners, has now come to Putian. It's a creative way to release(释放) pressure and stress.
Place:Putian Stadium
Time:2:30-5:00pm, June 28th
Fee:¥50 (pillow included)
Tel:275-6588
将﹣300°化为弧度为( )
根据所给汉语完成下列句子,每空一词。