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Cheap Plastic 98 Cell Plug Trays Wholesale Price Chile


For example, when the larch seedlings and Japanese red pine seedlings are suffering from phosphorus deficiency(4 cell trays bulk), the effect of applying phosphorus fertilizer outside the roots is good. The times of applying fertilizer outside the root generally need 3-4 times to get better results(6 cell plant trays). If there is rainfall within 2 days after spraying, the fertilizer that has not been absorbed will be washed away, and then it should be sprayed again.


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The advantage of applying fertilizer outside the root is that the effect of applying fertilizer outside the root is fast(6 cell trays bulk). In the first ten days of August, the absorption rate of applying fertilizer outside the root reaches 52.18%, and only 28.19% of applying fertilizer inside the ditch reaches 5cm(2 gallon pots distributor). Rare earth is a group of elements in the periodic table of chemical elements. There are some problems in applying fertilizer outside the roots to the leaves.


(cheap plastic 98 cell plug trays wholesale price chile)Therefore, the depth of applying fertilizer outside the root should be more than 5cm in seedlings, and more than 10cm or 10cm in fast-growing stage(8 cell trays bulk). It is composed of 15 kinds of steel elements such as paste, cerium, dislocation and 17 kinds of mirror and memory elements similar to steel elements(50 cell plug trays). After rare earth treatment, the root system of seedlings was significantly better than that of the control, and the new root developed well. 


Applying fertilizer outside the root can save 2 / 3 of the amount of chemical fertilizer and supply nutrient elements strictly according to the growth law of seedlings(12 cell trays bulk). If the ammonium sulfate is not covered with soil, the loss of ammonia nitrogen is very large. It is found that rare earth affects the physiological function of plants mainly through the following aspects(seed cell trays). It can supply the nutrients needed by seedlings in time.(cheap plastic 98 cell plug trays wholesale price chile)


The fertilizer solution sprayed on the leaves is easy to dry, and the seedlings are not easy to be fully absorbed and utilized(18 cell trays bulk). When the fertilizer is sprayed on the leaves, it can quickly penetrate into the cells of the leaves and synthesize the nutrients needed by the seedlings(128 cell trays). The growth of root system of seedlings can be promoted by adding appropriate concentration of rare earth in the growth environment of root system. 


(cheap plastic 98 cell plug trays wholesale price chile)Therefore, the utilization rate of fertilizer outside the roots largely depends on whether the leaves can be repeatedly wetted(36 cell trays bulk). Therefore, the number of times of fertilizer outside the roots is more. At present, the research of rare earth agricultural technology in China has made a great breakthrough(seedling trays). It has been used in more than 30 kinds of crops and 20 kinds of tree species, and has obtained obvious yield increasing effect.


External topdressing is to spray the solution of quick acting fertilizer on the leaves of seedlings(40 cell trays bulk), so it is also called foliar fertilization, because the leaves are the most important physiological organ for the production of carbohydrates. However, China's Agricultural Research on rare earths is relatively late, starting in 1972, and organized scientific and technological research is still after 1979(v14 nursery pots). It can only be used as a supplementary fertilizer.


Therefore, the top dressing must be covered with soil and have a certain thickness(1 gallon pots distributor). From the current situation, the research of rare earth application technology in China has been at the leading level in the world. The results of hydroponics experiment on Paulownia Seedlings showed that the P from value was 5.5(plug plant trays). For example, the total amount of nitrogen, phosphorus and potassium is the same.(cheap plastic 98 cell plug trays wholesale price chile)


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