No-till planting oat and perennial grass intercropping cultivation method
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A technology of no-tillage seeding and cultivation methods, applied in botany equipment and methods, horticulture, applications, etc., can solve problems such as soil erosion, single planting, nitrogen leaching, etc., to increase profits, improve economic benefits, and reduce pests and diseases Effect
Inactive Publication Date: 2015-07-08
GANSU AGRI UNIV
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Problems solved by technology
[0003] The purpose of the present invention is to avoid the deficiencies of the prior art, and to provide a cultivation method of no-tillage sowing oats and perennial grass intercropping, in order to solve the problems of single planting, soil erosion and nitrogen leaching, thereby improving agricultural and animal husbandry production flexibility, reduce the risk management of agricultural and animal husbandry production, carry out diversified planting of grass, grain and livestock, and increase annual income and economic output
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Embodiment 1
[0025] Embodiment 1: a kind of cultivation method of no-till sowing oats and perennial pasture intercropping, comprises the following steps:
[0026] 1) Before sowing oats, graze the perennial pasture (the pasture species is Brachiaria subliformis) pasture, so that the stubble height of the perennial pasture is 7.5-10 cm, and create a 2-3 cm layer of new dead leaves and feces;
[0027] 2) In the tropical or subtropical oat planting area, the oat sowing time is September 15th, and the oat variety is Hatsushima oat, and the no-tillage seeder is used to break stubble, ditch, sow, cover soil, and suppress the soil on the perennial pasture grassland. Mechanical operation, trenching depth of 1-2cm, oat seeding rate of 150kg / hm 2 , sowing row spacing 15cm, when sowing, do not plow and kill perennial pasture, do not apply herbicides, pesticides and chemical fertilizers;
[0028] 3) After the oats are sown, the perennial grassland is overgrazed, and the grazing intensity of dairy cows...
Embodiment 2
[0033] Embodiment 2: same as embodiment 1 step, difference is in step 2), oat seeding rate is 135kg / hm 2, sowing row spacing 18cm; in step 3), after sowing oats, overgrazing is carried out to the perennial grassland, the grazing time is about 11 days, and the sheep grazing intensity is equal to 28 / hm 2 . The perennial pasture is Paspalum broadleaf, and the oat variety is Baiyan No.7.
Embodiment 3
[0034] Embodiment 3: same as embodiment 1 step, difference is in step 2), oat seeding rate is 180kg / hm 2 , sowing row spacing 12cm; step 3), after sowing oats, carry out overgrazing to the perennial pasture grassland, the grazing time is about 10 days, and the cattle grazing intensity is equal to 0.7 head / hm 2 , the perennial pasture is paspalum broadleaf, and the oat variety is Baiyan No. 7.
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Abstract
The invention particularly relates to a no-till planting oat and perennial grass intercropping cultivation method. The no-till planting oat and perennial grass intercropping cultivation method is mainly characterized by comprising the following steps of step 1, performing grazing on the perennial grass before oat planting; step 2, performing stubble cutting, ditching, planting, earth covering and suppression mechanical operation on the soil on the perennial grass through a no-till planter during the oat planting time which is from September fifteenth to thirtieth, wherein the ditching depth is 1 to 2 centimeters, the oat planting quantity is 135 to 180 kilograms every square hectometer, and the planting space is 12 to 18 centimeters; step 3, performing overgrazing on the perennial grass after the oat planting; step 4, performing rest-grazing on the perennial grass after the overgrazing; step 5, harvesting oats through a machine during the oat harvesting time which is from April tenth to fifteenth of the next year, wherein the oat stubble height is 10 to 15 cm; step 6, performing normal grazing management on the perennial grass after the oat harvesting. According to the no-till planting oat and perennial grass intercropping cultivation method, the flexibility of the agriculture and animal husbandry production is improved, the risk of the agriculture and animal husbandry production management is reduced, the diversified cultivation of grass, grain and livestock is performed, and the soil nutrient element, animal and microorganism quantity is improved.
Description
technical field [0001] The invention relates to a cultivation technique, in particular to a cultivation method for no-tillage sowing oats intercropped with perennial herbage. Background technique [0002] Grass field intercropping technology is called regenerative agriculture. The one-year crops are sown in the middle of perennial pastures with low-tillage or no-tillage seeders. During the growth of crops, perennial pastures remain dormant or crops are shaded to inhibit the growth of pastures. When crops dry or After harvest, perennial pastures resume growth (Millar G D and Badgery W B. Pasture cropping: a new approach to integrate crop and livestock farming systems. (Special Issue: Grain&Graze: an innovative triple bottom line approach to collaborative and multidisciplinary mixed-farming systems research , development and extension.) [J]. Animal Production Science, 2009, 49, 777-787.). In grass field intercropping technology, perennial grass and annual crops are grown with...
Claims
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Application Information
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