A kind of drip irrigation and fertilization method for tea trees in sloping land
A drip irrigation and fertilization, tea tree technology, applied in fertilization methods, fertilization devices, agriculture and other directions, can solve the problems of polluted environment, sloping land fertilizer can not be reasonably and effectively used, waste of resources, etc., to promote absorption and utilization, and promote the coordination of agricultural production and the environment Develop and ensure the effect of production
Active Publication Date: 2019-04-30
TAIYUAN UNIV OF TECH
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Problems solved by technology
[0006] The technical problem to be solved by the present invention is to provide a method for drip irrigation and fertilization of tea trees on slopes in view of the problems that fertilizers on slopes cannot be reasonably and effectively used at present, resulting in waste of resources and environmental pollution.
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[0019] The technical scheme of the present invention is described below with specific examples, but protection scope of the present invention is not limited thereto:
[0020] The test was carried out at the tea factory in Maojian District, Shiyan, Hubei (38°29′26″N, 110°51′47″E) from 2010 to 2012; the ground slope was about 10 degrees. The tea tree variety is Fuding Dabaicha, 4 years old. Two-row strips are loaded, with a large row spacing of 100 cm, a small row spacing of 60 cm, and a plant spacing of 30 cm. A total of 3 fertilization schemes were set up for the test treatment, and each scheme was repeated 3 times. The specific fertilization schemes are as follows:
[0021] Fertilization plan A: In mid-to-late October, a 20 cm deep fertilization ditch was opened at a position 20 cm above the broken surface of the tea tree row; after ditching, base fertilizer was applied at the bottom of the ditch, specifically sesame cake fertilizer per hectare (5.8% N, 3.0% P and 1.3% K) 3...
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The invention relates to the technical field of planting of tea trees on a sloping field and in particular relates to a dripping irrigation and fertilization method of the tea trees on the sloping field in a Danjiangkou reservoir region. The dripping irrigation and fertilization method of the tea trees on the sloping field comprises: arranging a dripping irrigation belt for each row of the tea trees at an upper 20cm part along a slope direction, wherein the distance between water droppers is 20cm; burying a vacuum negative-pressure meter at each of parts, which are 20cm and 50cm far away from the ground, under each water dropper; in the middle ten days and last ten days of October of each year, digging a fertilizer applying ditch with the depth of 20cm at the upper 20cm part of the tea tree row along the slope direction; uniformly applying organic fertilizer and phosphorus fertilizer at the bottom of the fertilizer applying ditch; from the middle ten days of March to the end of September, dissolving nitrogen fertilizer and potassium fertilizer into irrigation water and applying the fertilizer along with the water. By reasonably matching the organic fertilizer and the chemical fertilizer, rapid-effect nutrients of the chemical fertilizer are facilitated to be accurately conveyed to root regions of crops; the dripping irrigation and fertilization method has important meanings of providing fertilizer effect of the fertilizer, increasing the yield of crops, alleviating environment pollution and the like.
Description
technical field [0001] The invention relates to the technical field of planting tea trees on slopes, in particular to a drip irrigation and fertilization method for tea trees on slopes in the Danjiangkou reservoir area. Background technique [0002] The Danjiangkou Reservoir is the water source of the South-to-North Water Diversion Middle Route Project, and the water quality safety in the reservoir area is related to the success or failure of the water diversion project. Years of water quality monitoring data show that the water quality of the reservoir is generally good, but the total nitrogen concentration exceeds the limit standard, which seriously affects the water quality safety of the South-to-North Water Diversion Project. After the point source pollution is effectively controlled, the non-point source pollution in the water source area is becoming more and more harmful, and it has become one of the main reasons affecting the water quality in the reservoir area. The ...
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IPC IPC(8): A01C21/00
CPCA01C21/005
Inventor 刘荣豪张雷克刘淑慧
Owner TAIYUAN UNIV OF TECH