Method for replacing and controlling guayule with tall fescue
An alternative control and tall fescue technology, applied in the direction of botany equipment and methods, applications, equipment for weed elimination, etc., can solve the problems of long-term control, chemical agent prevention and control, harmful environment, manual mechanical removal, laborious and labor-intensive effects, etc. problems, to achieve the effect of maintaining water and soil, increasing economic output, and reducing costs
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Embodiment 1
[0032] Example 1 Competition Test of Tall Fescue and Guayule
[0033] The experiment was carried out in the net room of the Institute of Plant Protection, Shandong Academy of Agricultural Sciences. The type of substitute plant is tall fescue, and the object of competition is guayule. The diameter of the upper mouth of the test flower pot is 25 cm, and the height is 20 mm. The soil is the topsoil of the farmland, which is a slightly alkaline loam, and the organic matter content is 30.9 g / Kg. Sowing on April 5, 2013, the recommended planting density of tall fescue is 300 kg / ha, the planting depth is 1 cm, guayule is set at 0, 2, 4, 8, 16, 32, 64 plants / pot, and covered with soil 1-2 mm, appropriate amount of multi-sow when sowing, wait for guayule 5-leaf stage to set seedlings to the planned number of plants. Fertilizers were not applied throughout the growth period of the tested plants. On August 15, 2013, the above-ground parts of guayule and tall fescue of each treatment...
Embodiment 2
[0037] Example 2 Field experiment on tall fescue control guayule (April)
[0038] The experiment was carried out in Shizilu Town, Junan County, Shandong Province.
[0039]The experimental site is an abandoned yard with flat terrain, no crops are planted, and the density of guayule is very high every year. Before the site preparation, a large number of dried guayule plants were distributed on the ground, and some guayule seedlings began to be unearthed. The density of unearthed guayule seedlings was very high, up to 100 plants / ㎡. Sowing time is April 24, 2014. First cut off the dried guayule plants of the previous year on the ground, and then sow tall fescue after shallow rotation. The sowing rate is 300 kg / ha; the thickness of the covering soil after sowing is 1-3 cm. When the tall fescue grows to 20 cm, use a herbicide to remove broad-leaved weeds once (the herbicide used is Tribenuron-methyl or 2-M-4-Chlorophyll, and the dosage is the conventional dosage). Whenever the ...
Embodiment 3
[0043] Example 3 Field experiment on tall fescue control guayule (June)
[0044] The test was conducted in Junan County, Shandong Province on June 12, 2014.
[0045] The experimental site is an abandoned yard with flat terrain, no crops are planted, and the density of guayule is very high every year. Before site preparation, a large number of guayules grow vigorously on the ground, with a plant height of 20-60 cm, and visual inspection can reach 100 plants / ㎡. The sowing time of tall fescue was June 12, 2014. Pull out the guayule plants that have been unearthed and last year's dried plants, and then sow the seeds after shallow rotation. The sowing rate is 300 kg / ha; the thickness of the covering soil after sowing is 1-3 cm. When tall fescue grows to 20 centimeters, herbicide weeding 1 time (used herbicide and consumption are the same as embodiment 2). Mow whenever tall fescue grows to 20 cm tall; in summer, it grows fast, mow once every other week, and the stubble height i...
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