The control measures are to control the amount of fertilizers(propagation tray). It is not appropriate to use too much fertilizer at one time, especially containing chloride fertilizers such as ammonium chloride and potassium chloride, and to irrigate in time to prevent soil drought(flat plastic tray). Tomatoes should be sprayed on the 2 ~ 3 leaves of the inflorescence at the time of flowering, and Chinese cabbage sprayed calcium when it began to enter the heading stage.
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Seaweed fertilizer is rich in organic matter and slow-release factors, with long fertilizer effect, which can activate various beneficial microorganisms in the soil(plug trays). In addition, it contains natural compounds that can promote the formation of soil aggregate structure, improve the pore space inside the soil, increase the vitality of microorganisms in the soil, help root growth, enhance crop resistance and resistance to repeated cropping(large plastic terracotta pots). Pay attention to choose high-quality organic fertilizer.
(cheap fabric grow bags manufacturers mexico)The general symptom of calcium deficiency in vegetables is the new parts of the plant(gallon nursery pots). Even some of the chicken manure purchased is also mixed with soil, or some hawkers have mixed with caustic soda (used to increase the volume). Therefore, high-quality organic fertilizers must be used in production, and it is best to use regular large manufacturers when choosing commercial organic fertilizers(seed starter trays). According to the output target, do a good job of balanced fertilization.
However, in the natural world, organic fertilizers such as poultry pens, human and animal manure and cakes must be fully decomposed and fermented before application(gallon plant pot). After fermentation, the first is to balance the acidity in the organic fertilizer, reduce the nitrate content, and supplement the water, the second is to kill parasitic eggs and harmful in the original manure Biological pathogens and other pathogens and harms directly to crops and soil(black plastic plant pots). After entering the soil, the effect can be imagined.
Generally requires choosing idle pits, ditches or digging near the water source on the roadside(cell trays). Before stacking, the straw is soaked with water. The width of the pile is 1.6-2 meters, the height of the pile is 1.5-1.6 meters, the length is not limited, and the local mud is taken to seal it tightly to prevent water evaporation, once every 3 to 5 days, which is conducive to the combined application of microbial bacteria in natural soil(nursery plant pots); heap temperature diffusion and nutrient loss.(cheap fabric grow bags manufacturers mexico)
Add water according to the ratio of dry straw to water 1: 1.8(square nursery pots). Generally, it is appropriate to drip water from the straw. Each 1000 kg of straw is equipped with 1 kg of rot agent and 5 kg of urea. The compost is stacked in three layers, with the first and second layers each 60 cm thick and the third layer 40 cm thick. Spread the bacteria agent and urea on each layer separately, and the dosage ratio is 4: 4: 2 from bottom to top(32 cell propagation trays wholesale). Apply after fully rotted and fermented.
(cheap fabric grow bags manufacturers mexico)Spray the prepared mixture of urea (0.5%) and potassium dihydrogen phosphate (0.2%) or the mixture of urea (0.5%) and superphosphate (0.5 to 1%) evenly on the back of the middle and upper leaves to spray The leaves are just dripping for the degree, spray 2 to 3 barrels per mu(plastic grow pots), and the color of the leaves will deepen after 2 to 3 times. Spraying fertilizer, the concentration is 0.3% ~ 0.5%, usually spraying once every 7 days or so, even spraying 2 to 3 times can see the effect(50 cell propagation trays wholesale).