After a large amount of acid fertilizer such as ammonium sulfate(plastic nursery pots), ammonium chloride, potassium chloride, superphosphate are applied to vegetable fields, a large number of acid substances will remain in the soil, and the acid soil will be more acidified(polypropylene plant pots), which not only destroys the soil microbial flora, but also is not conducive to the normal growth of most vegetables.
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Therefore, it has been expressly stipulated in developed countries that nitrogen fertilizer vegetables are prohibited from marketing(plastic nursery pots wholesale), so as to effectively ensure the interests of consumers. Make neutral soil become acid, will destroy soil structure, make soil harden, lose flexibility and elasticity, reduce water permeability(large black plastic flower pots). With long-term application of chemical fertilizer, the calcium ion on the soil colloid is constantly exchanged out.
(cheap 9 inch plastic plant pots manufacturers china)Timely fertilization and nutrition are needed(plastic nursery pots manufacturers). Under the leaching of rainwater and irrigation water, ammonium sulfate and calcium chloride are leached to the lower layer of the soil, resulting in the lack of calcium in the cultivation layer, damaging the soil structure, making the soil harden, the fertility decrease, the growth of vegetables is poor(9cm square plant pots), and the output is reduced.
For example, regular application of chemical fertilizer will cause soil acidification(black plastic nursery pots). Long-term application of ammonium sulfate, potassium sulfate and nitrogen-containing chemical fertilizer in vegetable soil will lead to excessive nitrate nitrogen and molybdenum deficiency(round plastic flower pots). The growth of cucumber is inseparable from sufficient light. The daily illumination time is no less than 8 hours, which can store a lot of nutrients for the plant, and help the seedling to become thick.
Tubers are usually planted from March to April(plug trays wholesale). If the canopy planting fails to meet this mark, fill light can be used to provide light. But low temperature can inhibit its respiration and store nutrients effectively. The temperature can be controlled at about 32 ℃ in the daytime, but it should be reduced to 15-18 ℃ at night, and maintained at 10-12 ℃ in the later half of the night(greenhouse trays and pots), which is helpful for its expansion.(cheap 9 inch plastic plant pots manufacturers china)
Its seed coat can be peeled off. Too much phosphorus will reduce the effectiveness of calcium, zinc and boron(square nursery pots). The suitable ground temperature can make the root system of cucumber more developed, which is beneficial to the absorption of water and nutrients, and also can make the yellow melon seedling coarser(small plastic hanging baskets). The soil temperature is suitable to be about 18-24 ℃, below 8 ℃, the root system will no longer grow.
(cheap 9 inch plastic plant pots manufacturers china)If the soil nutrient is not enough, the yellow melon seedling cannot grow thick(seed starter trays). It can be used as nitrogen, phosphorus and potassium compound fertilizer, or potassium dihydrogen phosphate as foliar fertilizer, which can be sprayed on the leaves of plants. Once every 7-10 days, two or three times can improve the situation(propagation trays for cuttings). Cherry trees need cross pollination, and different varieties of pollination, often can produce sweet fruit.
If it is planted in naweng or Binku, it is pollinated with Topaz, purple and other varieties(wholesale nursery pots). If you plant red light or purple, you can use naweng or Topaz to pollinate. Hanging red and giant red can be mutually pollinated trees. In addition, Steiner and Rabins have strong affinity and are good pollinators(4 gallon plant pot). Artificial pollination is the main way of pollination. It has higher efficiency and can make cherry trees produce more fruits.(cheap 9 inch plastic plant pots manufacturers china)