Practical disposable transfer pipettes, made from natural low density polyethylene (LDPE). The transfer pipet is simple and safe to use with a long shelf life; no issues with broken glass, cracked or loose bulbs. Additional advantage is that with the single piece design lager amount can be transferred by allowing fluids in the bulb. These plastic transfer pipettes are ideal for transferring small amounts of fluids for microscopy sample preparations or to prepare mixtures or staining solutions. The extra fine tip enables transferring minute amount of fluids. These cost-efficient plastic transfer pipettes are disposable and intended for one-time use. Ideal for educational and research environments. Can be used for fluids up to 70°C, please take care to protect the fingers squeezing the bulb. Available in six sizes/styles: 0.5ml, 1ml, 2ml, 3ml, 5ml, 10ml.
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In addition to the use of substrate seedlings, nutrient soil can be prepared, made into nutritious earth or placed in a seedling container for seedling. The materials and formulas used in nutrient soil are as follows: 1 breeding cucumber seedlings: 50% of fertile soil, 20%-30% of decomposed horse manure, 10%-20% of decomposed chicken manure, and 10% of Chen furnace ash. 2 Tomato and celery seedlings: 50% of fertile soil, 10%-20% of decomposed horse manure, 10%-20% of decomposed chicken manure, 10%-20% of Chen furnace ash. 3 aubergine, green pepper, zucchini, cabbage seedlings: 40% of fertile soil, 20% - 30% of decomposed horse manure, 10% - 20% of decomposed chicken manure, 10% - 20% of Chen ash. 4 Bean seedlings: 40% of fertile soil, 30%-40% of decomposed horse manure, 10%-20% of decomposed chicken manure, and 10% of ash. In addition, 250 g of ammonium sulphate, 500-600 g of diammonium phosphate, 250 g of potassium sulphate or only 1.2-kg of compound fertilizer should be added per cubic meter of nutrient soil; plus 65% of sensen zinc powder 50-60 g 50% carbendazim powder 30-40 grams.
Preparation of substrate for vegetable seedling and nutrient soil
Commonly used substrates for vegetable seedlings are: plant ash, vermiculite, ash, humus soil, and broken straw or wheat straw. In production, grass ash and vermiculite are often used, and 3 kg of decomposed chicken manure and 0.3 kg of diammonium phosphate are added to each cubic meter of matrix. After mixing with the matrix, the seedlings are placed in plastic bottles, bags or wooden boxes.
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