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Engineering Applications and Management Methods for Hokkaido Boxwood
Hokkaido boxwood is an excellent landscaping material, but because it was introduced and promoted relatively late, many design units are still not familiar enough with its growth habits and characteristics, and it is used sparingly or configured inaccurately in design applications. As a result, nursery growers feel lost about how to cultivate and prune it: they plant a whole field of seedlings but do not know how to manage them, and after several years pass, they are left sighing in dismay! Based on several years of research and practice at this nursery, the following cultivation trial methods are considered effective. 1. Single-trunk small tree. When the seedling grows to 1.8-2 m, pinch out the growing tip at the top, keep the upper 30 cm for branching, and remove all branches below so that it concentrates on developing the upper part into a crown.
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What fertilizer is best for azaleas? Fertilizer selection and application methods
What fertilizer is best for azaleas? Please give guidance. Azaleas are fertilizer-loving plants. In addition to the main nutrients nitrogen, phosphorus and potassium, they also need trace elements such as boron, copper, molybdenum and zinc. For azaleas, fertilizers with mild strength and long-lasting effect are suitable. For home azalea growing, ox horn, ram horn and animal hoof pieces can be used; these fertilizers contain 12%-15% nitrogen and 0.2%-8% phosphorus, and also contain a small amount of potassium and trace elements. Thin hoof pieces take effect 1 month after application, while thick hoof and horn pieces show fertilizer effect after 2 months, and the fertility can last 6-8 months. When using them, they can be buried at the edge or bottom of the pot along with repotting or changing pots. Cake fertilizer is also a relatively complete fertilizer in terms of nutrition. The nutrients in cake fertilizer generally contain 2.1%-7.6% nitrogen, 0.54%-3.3% phosphorus and 0.5%-2.7% potassium. Generally speaking, soybean cake and peanut cake contain more nitrogen, while rapeseed cake and cottonseed cake contain more phosphorus. They must be fully fermented before application. Fertilizer made by composting livestock manure and tree leaves can be mixed into the growing medium when repotting.
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