ធនធាន ដាក់ស្លាក: Plant Disease
57 items found (Showing 51 - 57) Previous
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01 មករា 1994 This booklet focuses on foliar disease. In the ornamental industry, a plant's foliage is vitally important to the appearance it presents to customers, as well as the plant's overall health. Without healthy foliage processing sunligh through photosynthesis, its root system weakens, and the plant...
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Book 3 explains deficiency symptoms of the following nutrients: Boron and Molybdeunum plus salinity, two or more deficiency symptoms, grow-box gardening, and Index.
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01 មករា 1973 First Edition, 673 pages, Book is 9.5 inches in height and 2.25 thick, comprehensive study of tropical plants, identification and treatment of tropical bacterial and fungal disease, book arranged alphabetically according to the common names of the hosts, easy to follow contents listing the major...
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01 មករា 1995 This text provides color photographs for the identification of Florida citrus insects, mites, diseases, physiological disorders, horticultural problems and nutritional deficiencies and toxicities.
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19 មិនា 1995 Learning how to do experimental trials Intensive small-scale farming Understanding plant diseases Fertilizer bean-Honduras Rats, mice and other vermin Rural journalism Information sharing - Germany Flexible experiments Learning with urban farmers - Bolivia Less fertilzer Hybrid layers -...
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19 មិនា 1989 Religious ceremonies have practical value in Sri Lanka Brazilian farmers - composting helps to prevent pests Schoolboys assist farmers as IPM scouts in the Philippines Integrated pest management Ancient methods Natural crop protection Rice cultivation Herbal preparations Understanding plant...