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Integrated Control of Diseases, Pests and Weeds in Pollution-Free Sweet Potato Cultivation
(1) Carefully select seed tubers. Choose tuber pieces free of disease, insects and injuries as seed tubers. (2) Chemical treatment of seed tubers (omitted). (3) Storage cellar management. Store the seed tubers in a sterile cellar; preferably use a new cellar. If an old cellar is used, first scrape off the cellar walls, then fumigate with 15 g of sulfur per sq m. After the tubers
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To make a bonsai, first decide on a theme and design it carefully, then select and work the stones according to the theme.
A bonsai must have its theme chosen in advance and be carefully designed, with the stones selected and worked according to the theme Bonsai...
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Seeds must be carefully selected to bring out their vigor
Step 1: Improved seed processing. Seeds of superior varieties, high-quality seeds. Good children come from a good mother; good seed makes good grain. The 10 premium corn seeds that can sell for 80 yuan, as mentioned by Wang Jianhua, professor at the College of Agronomy and Biotechnology at China Agricultural University, proves this truth. This premium corn not only
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