Methods of Fertilizer Application. https://cststudy.blogspot.com/ B.Sc.Ag. (Hons) Part-I Methods of Fertilizer Application Fertilizer recovery is greatly influenced by method of its application. Method of application varies according to the spacing of crop, type of fertilizer material, time of application, etc. A brief account of these points could be explained as under : A.Method of application of solid fertilizer materials Solid materials may be applied in following ways: 1. Broadcasting Even and uniform spreading of dry solid fertilizers by hand or spreader over the entire field before or after sowing of the crop is termed as broadcasting. Well decomposed FYM, compost, oil cake, bone meal, urea, superphosphate and lime are applied by this method. Advantages This method is easy, less time taking, cheap and more convenient to the farmers. This method proves effective- i. When the crops have a dense stand ii.
Seed dormancy and its importance. https://cststudy.blogspot.com/ Seed Dormancy Definition: The term dormancy refers to lack of growth in any plant part due to either internally or externally induced factors. Seed technologist use the term of refers to non-germination resulting from conditions within the seeds. Dormancy is the state of inhibits growth of seeds or other plant organs as a result of internal causes not due to environmental condition. In other word, the unavailability of well developed mature, perfectly viable and healthy seed to germinate when placed under favorable conditions for germination is called dormancy or rest period of seed. Important of seed dormancy: 1. It is a mechanism which helps to survive this species. 2. It prevents the germination of seed in the field during production. 3. Dormancy helps to store the seed in the store house. 4. It contributes the congivity of the species.
Mango Hopper.https://cststudy.blogspot.com/ Mango Hopper 1. Idocerus alkinsoni. 2. I. niveosparus. 3. I. clypealis. Family : Cicadellidae. Order : Hemiptera. Nature of Damage 3 species of hopper causes serious damage to the inflorescence. Heavy laying on inflorescence causes dropping and withering of the fruits. Both nymphs and adult suck juice from the flowers, resulting shedding and withering of the flowers. In case of severe attack, honey dew secreted by the hoppers over the inflorescence and leaves, giving rise to development. Shoote mold which hinders the setting of fruits. Lose due to hoppers varies from 25-60%. Life Cycle 1. The insect appear in large number during November to February as soon the flowers buds beginning to form. 2. Female are lays egg on leaves flower stick and buds etc. Eggs are laid singly or batch. A female lays on average 200 eggs. 3. The egg hatch in 4-7 days in winter and 2-13 days in summer. 4. There are two generations of
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