Zucchini seedlings with fertilizer application

Choose a variety of zucchini varieties that are resistant to disease, high yield, good quality, and good appearance.

Site Preparation Fertilizer: The courgette prefers slightly acidic soils with a suitable pH of 5.5-6.8. Zucchini attracts strong fertility, and excessive application of nitrogen fertilizer can easily cause stems and leaves to grow in length, resulting in flowering, falling fruit and diseases. Fertilizer should be combined with nitrogen, phosphorus and potassium. In general, for every 1000 kg of fruit harvested, 3.29 kg of nitrogen, 2.13 kg of phosphorus, and 7.29 kg of potassium are absorbed. The uptake of five elements is potassium in turn greater than nitrogen greater than calcium greater than phosphorus greater than magnesium.

Immersion seed germination: First, the seeds are put in clean water, the immature seeds floating on the water surface are removed, and then soaked in warm water of 55° C.-60° C. for 10 minutes to kill the pathogen on the seed coat, and then at 20° C. Soak it in warm water of ~30°C for about 4 hours, remove and control the moisture, then wrap it with moist gauze, and germinate at 28°C~30°C.

Seeding and Seedling Raising: Regardless of whether it is seedling nursery or nutrient seedling cultivation, nutrient soil should be prepared first, which is the key to cultivating strong seedlings. Take 3 fertile, uncultivated garden soils within 4 years, a decontaminated ring fertilizer, add a small amount of fireweed ash and sawdust, mix well, sifted, and then make or add nutrients to prepare. Can be sown, cover the soil thickness of 2 cm. After the completion of this procedure, a small amount of bran mixed with methamidophos should be sprinkled on the surface to prevent the underground pests. Afterwards, the skin is moistened with a small shed film until it emerges.

The standard for age-appropriate seedlings of zucchini is: the calendar seedling age is about 30 days, with 3 to 4 true leaves, a plant height of about 10 cm, a stem diameter of 0.5 cm, a petiole length equal to the leaf length, a dark green leaf color, and good cotyledons. The root system is developed.

Temperature management at the seedling stage: During the day, the air temperature is maintained at 20°C to 25°C. When the temperature exceeds 25°C, it must be ventilated and cooled. The night temperature is maintained at 10 °C ~ 15 °C, the minimum must not be less than 6 °C. In this period, it is necessary to control the water scientifically and properly, and it is possible to pour small water when there are obvious symptoms of water shortage. After watering, pay attention to ventilation, reduce air temperature, and prevent diseases. In order to prevent the emergence of blight, wilt disease and other diseases, a small amount of Wanqinyiguanling may be used to irrigate the roots twice; in order to prevent the disease of the leaves, it can be sprayed with thiophanate-methyl or chlorothalonil leaves every 7 days. Once; to control the damage of greenhouse whitefly, aphids, cabbage caterpillars, and leafminers, they can be sprayed once every 5 to 7 days.

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What is S-23?

S-23 demonstrates a markedly strong bond to androgen receptors

S-23 is an modern selective androgen receptor modulator (SARM) with the added interest in its potential for male hormonal contraceptive. It binds to the androgen receptor more strongly than older compounds such as Andarine with a Ki of 1.7nM, and in animal studies it showed both a good ratio of anabolic to androgenic effects, and dose-dependent suppression of spermatogenesis with spontaneous recovery after cessation of research.

Added value for research with pronounced suppression of spermatogenesis. Not for human consumption.

S-23 Function

S-23 not only boosted muscle mass, but also reduced fat mass, as studied. SARMs have a bit of a 'soft' image in the doping world. They don't stimulate muscle growth in the way that anabolic Steroids do, but many users say that they are safer.

There are no studies yet that confirm this suspicion. But that S23 is not one of the safer SARMs - we'd be willing to wager a bottle of BCAAs on that.

S23 halts the production of sperm in the testes. In fact it does this so well that the researchers suspect S23 might be a good candidate for a male contraceptive. If this is the case it would probably have to be part of a cocktail that also contains an estradiol analogue, the researchers discovered. The lab animals lost their libido when they were given S23 on its own, and only recovered this when they were given estradiol benzoate together with the S23.


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Our company offers variety of products which can meet your multifarious demands.including API Powder.Pharmaceutical Intermediates.Vitamins Powder.Plant Extracts.Food Additive.Peptide Powder and so on We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

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