If you can't find an ideal test site(2 gallon plant pots distributor), you must understand the changing trend of fertility, arrange the blocks and plots reasonably, and prevent the treatment of the plots from being different on the same basis due to the differences in plot soils. If the test is arranged on a slope, different sections can be divided by parallel contour lines as blocks(1.5 gallon nursery pots). If the test is set on flat ground, the plot can be square.
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According to the absorption rate of N at 50%, crossing the contour lines, it is necessary to apply N fertilizer of about 24g(bulk 1.5 gallon pots). The progeny test is usually a multi-point test in order to understand the interaction between the genotype and the environment. The package should be properly concentrated for each point to facilitate management(nursery tray manufacturers). Only by arranging the test plots reasonably can the difference be reduced to the minimum.
(hot sale plastic succulent plant pots in bulk malaysia)The choice of the test site can only ensure that the soil conditions are roughly uniform, and it is impossible to completely avoid the difference(bulk 2 gallon containers). Regarding the shape, size and repetition of the test cell, the following two points can be generally considered: the test cell is rectangular, with its long axis parallel to the gradient of environmental changes(planting trays wholesale), and different test treatment cells are parallel to each other.
The advantage of this is that the plants in the same treatment are less affected by Zhou Guoqu(24 cell trays bulk). The size of the test plot and the height of the tree body are generally larger than the crop area. However, the size of the plot area also varies with the test tree species, purpose and test conditions, and cannot be uniformly specified(72 cell plug trays). The following three forms can be considered: namely, a tree is used as a cell, and it is used as a repeat.(hot sale plastic succulent plant pots in bulk malaysia)
Each treatment in the experiment should be equal to the number of trials(3 gallon nursery container wholesale price). At the same time, it is necessary to choose a location that is less affected by man-made and less damaged by livestock. In the early stages of breeding experiments, such as the determination of original materials(8.89cm square grow pots), superior tree clones, there are many materials, the measurement time is short, and the seedling preservation rate can be used.
(hot sale plastic succulent plant pots in bulk malaysia)Such as the cylindrical tree pruned from about 10cm away from the trunk, the average fresh cut weight of each branch is 1kg, and the total dry weight is about 300r·about 3g(4 cell trays bulk). The area of the test plot is large, and when it is arranged in a square shape, the influence of forest margins can be eliminated, and the volume yield can be estimated more accurately(long life propagation trays). progeny and hybrids, uses 49-100 trees as a community.
At the end of the year, the loss of branches and leaves was about three times that of the former(6 cell trays bulk), that is, the loss of N was 9g, and the total of both was 12g. For this reason, each plant in spring Press N20g, PlOg·K10g to fertilize: mid-August to next sentence in September(plastic flower pots bulk). There are three repetitive effects: to provide an estimate of the test error, increase the accuracy of the test, and make the test more representative.
Therefore, this is mostly used in the later stages of seed production, such as the second stage of the provenance test, and the comparative test of productivity of excellent families(8 cell trays bulk). To meet the above requirements, the main measures taken are: a kind of experimental treatment, such as family, clone or seed, which is called repetition when it appears more than once in an experiment(6.35cm square grow pots). should be considered in the test.(hot sale plastic succulent plant pots in bulk malaysia)
