Items related to 四季养兰有窍门
Synopsis
一年四季，温湿度及光照情况等差异极大，同时不同季节，兰花处于不同生长期，因此一年四季必须采取不同的栽培管理措施。本书介绍春夏秋冬四季主要的管理措施，如春季兰草选购、翻盆分株，夏季防暑降温、适时浇水，秋季遮阴防燥、促花护蕾，冬季防寒防冻、适控水肥等。在编写过程中，采取图说形式，将现代养兰新技艺与历代经验性的兰谚相结合的办法，点出关键的技术措施。
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Experimental classes pew: mathematics (part ii) grade four(Chinese Edition)
ISBN 10: 7308166252
ISBN 13: 9787308166256
New
paperback
Seller: liu xing, Nanjing, JS, China
Seller rating 5 out of 5 stars
paperback. Condition: New. Paperback. Pub Date: 2017-01-01 Pages: 147 Language: Chinese Publisher: zhejiang university press in the experimental class optimal material: mathematics (part ii) grade four follow the principle of gradual. based on the textbook. for the purpose of training students' mathematical thinking ability. from easy to difficult. speaking practice. layer upon layer depth. from base to expand. from pew to. Seller Inventory # DO047647