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        What kind of seedling vulnerable to freezing winter-永利澳门娱乐场网站

        Date:2012-09-28 11:10

        The following seedling cold resistance ability is weaker, the winter can occur at different levels of injury, we should strengthen the management of winter before, enhance the ability of cold resistance, defense of winter low temperature and freezing injury. 1 Seeding Early flourishing in seedlings of 2 sowing; later without tiller seedling alone; 3 large density without tiller of weak seedling; 4 land extensive, mattress block overhead crane seedlings cultivation; 5 rotten rot wet deadlocked seedling; 6 sown shallow drain seedlings; 7 poor drainage the WPA seedling; soil fertility inadequacy 8 yellow thin seedlings; 9 nitrogen more flourishing in seedlings of 10 herbicides; caused by improper use of phytotoxicity of 11 seedling; soil drought caused loss of seedling; 12 had sowed deep weak seedling.

        TypeInfo:-永利澳门娱乐场网站 Special reports

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        澳门永利网址-永利高旗舰厅-永利国际娱乐平台