Can not be blindly fertilized, otherwise it will be wasted the fertilizer without a good effect(7 inch plant pot). Jujube trees have a skill in watering and fertilizing during the year of growth, such as drought and rain. Can not be blindly fertilized, otherwise it will be wasted the fertilizer without a good effect(nursery pots). The jujube should be combined with the first top dressing at the same time, and the watering time should be implemented before the physiological fruit drop period.
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Or 1000 times lesburn, 1000 times mildew mixture(5 gallon nursery pots), control aphids, sassafras, anthracnose, leaf curl, plant atrophy, you should add 800 times of virus A aqueous solution with the same spray, you can also spray pepper leaf Ling and pepper special effects treatment of the mixture of the disease, each pepper and leaf and Ling pepper special treatment of disease mixture(bulk buy plant pots), each bottle of pepper roll leaf spirit plus 15 kg of water, each pack of chili special effects treatment disease plus 15 kg of water.
If you can add 1500 times Shennongsu chelated fertilizer with the same spray or the same shower, the effect is better(nursery containers wholesale). During the flowering period of the pepper, every 1000-10 days, the leaf surface is sprayed once 1000 times of agricultural land, 1000 times of procymidone mixture(large round planter pots), and after fruit setting, 30-40 kg per acre (about 0.5-1 kg per plant) High-potassium compound fertilizer plays an important role in strengthening fruit and reducing fruit drop before harvest.
If you encounter drought and rain, it is skillful to water and fertilize(15 gallon plastic pots). Each package is watered for 25-30 kg, 2-3 kg per plant, and 2-3 times. If there is root and neck rot and the plant is dead, the roots of the rot are used to pour the roots. The required amount is about N13~16 kg, P2O56~9 kg, K2O17~21 kg, CaO6~9 kg, MgO3~6 kg(2.5 inch square plastic pots). After that, some foliar fertilizers such as 0.3% potassium dihydrogen phosphate can be sprayed.
It is necessary to produce 1000 kg of lychee per mu(one gallon nursery pots). The growth and development of the lychee requires 16 essential nutrients, and the most absorbed from the soil are nitrogen, phosphorus and potassium. According to reports, for the production of 1000 kg of fresh lychee fruit, it is necessary to absorb nitrogen (N) from 13.6 to 18.9 kg, phosphorus (P2O5) from 3.18 to 4.94 kg, and potassium (K2O) from 20.8 to 25.2 kg(plant pots uk), and the absorption ratio is about 1: 0.25: 1.42.
There are two peak periods for the absorption of nutrients by litchi: one is the flowering ear and the spring shoot period from February to March(propagation trays nz), and the absorption of nitrogen is more, followed by phosphorus. The second is the rapid growth period of fruit from May to June(commercial plant pots). The absorption of nitrogen reaches the highest peak, and the absorption of potassium is gradually increased, which is easy to cause falling flowers and fruits.
Generally, after harvesting fruit, apply about 1000-2000 kg of decomposed organic fertilizer per acre(plastic seed trays), 40-50 kg of general-purpose compound fertilizer (such as Sanan) (about 1-1.5 kg per plant), and turn green every new shoot. Generally applied before flowering, mainly phosphorus and potassium fertilizer, 30-40 kg per acre (about 0.5-1 kg per plant) high-potassium compound fertilizer(plant trays), nitrogen fertilizer should not be excessive to avoid "shooting".