Plant Nursery 2 Plant Nursery Objectives 1 State
Plant Nursery 2
Plant Nursery Objectives 1. State the advantages of growing seeds in a nursery. 2. List the conditions for the successful growing of seeds in the nursery. 3. Describe the preparation of the planting medium in a nursery.
Plant Nursery
Advantages of raising seedlings in a nursery. • 1. It is often the easiest and cheapest way to produce large quantities of seedlings. 2. It can be used to avoid and control plant diseases. 3. Most annual and biennial plants are grown easily from seeds. 4. At the nursery you can select the strongest and best plants for transplanting into the field.
Example a Plant Nursery
Condition for successful nursery seed germination. • Seed quality: good quality seed should be used. • A good planting medium: offers good aeration, good water holding capacity, the ability to supply nutrients, a fine tilth, and freedom from soil pathogens. (microorganisms which cause plant diseases). • Favourable soil environment : for example , soil moisture and soil temperature should be favourable for germination.
Preparation of the planting medium in the nursery • The planting medium is the nursery mix into which seeds are sown. Often this medium is seed -sowing compost. • Soil is the universally available medium for germinating seeds. • some soils are unsuitable for growing seedlings and must be mixed. • In developed countries, special mixtures of perlite , vermiculite and peat are commercially available as ready-to –use substitutes for soil.
Preparation of the planting medium in the nursery • In developing countries, certain materials are collected and mixed together create an ‘ideal medium’ for greater germination. • Coconut coir dust , well decomposed manure or well- decomposed sawdust are used in the nursery to improve the aeration and waterholding capacity of planting medium. • Fertile soil and chemical fertilisers are added to the nursery mix to enhance its capacity to supply nutrients.
REVIEW. 1. List the advantages of raising seedlings in a nursery. 2. List two conditions for successful nursery seed germination. 3. Describe the preparation of the planting medium used in a nursery. 4. Activity : Draw a diagram of the nursery and add to your diagram the main features.
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