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A no-tillage planting method for drought-resistant and cold-resistant winter rapeseed in dry land

A planting method, a technology of winter rapeseed, applied in the direction of soil preparation methods, botanical equipment and methods, plant protection covers, etc., can solve problems such as increased agricultural production costs, decreased utilization of plastic film, and delays in farming hours, and achieve the effect of increasing production and income. Poor ventilation and light transmission, increase the effect of interception

Active Publication Date: 2016-01-20
DRYLAND AGRI INST GANSU ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Not only causes the utilization rate of mulch film to decrease, but also causes the increase of agricultural production cost, the delay of farming time and the loss of soil moisture, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A no-tillage and cold-resistant planting method of winter rapeseed in dry land, comprising the following steps: in spring, according to the requirements of live-seeding winter rapeseed with no-tillage in the next stubble, fertilization, deep plowing, harrowing, and plastic film are carried out respectively, and then spring sowing of corn is carried out in good time, and the whole corn grows During the period, the plastic film is not removed. After the corn is harvested in autumn, the corn stalks are removed, the plastic film is retained, and the winter rapeseed is directly planted on the plastic film without tillage.

[0037](1) Remove corn stalks and protect the mulch film: After the mulched corn is harvested, harvest the corn stalks at a height of 5cm from the ground, remove the remaining weeds and corn stems and leaves on the ground, and try to avoid scratching the mulch film (the damage rate is less than 30%). If there is damage, it should be covered with soil in tim...

Embodiment 2

[0047] In 2010-2011, the technology of the present invention was demonstrated in Wutong Administrative Village, Shangxiao Township, Zhenyuan County, Gansu Province, with a demonstration area of ​​5hm 2 . Demonstration site April 5-8, 2010 Select flat land with deep soil layer and medium fertility, and apply 80,000 kg / hm of farmyard manure 2 , ordinary calcium superphosphate (equivalent to P 2 o 5 )225kg / hm 2 , slow-release nitrogen fertilizer (equivalent to pure nitrogen content) 260kg / hm 2 After deep plowing and raking. After the land preparation, use a white mulch film with a width of 120 cm and a thickness of 0.01 mm, and cover it with a full-film double-furrow sowing and mulching machine. The width of the mulch film is 110cm, each with a small ridge with a bottom width of 40cm and a height of 15-20cm and a large ridge with a bottom width of 70cm and a height of 10-15cm. The joints are compacted with soil, and a belt of soil is pressed horizontally every 200cm. From ...

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Abstract

The invention discloses a no-tillage and cold-resistant planting method of winter rapeseed in dry land, which comprises the following steps: in spring, according to the requirements of live-seeding winter rapeseed with no-tillage in the next stubble, fertilization, deep plowing, harrowing, and covering with plastic film are carried out respectively, and spring sows corn in good time The plastic film is not removed during the whole growth period of corn. After the corn is harvested in autumn, the corn stalks are removed, the plastic film is retained, and winter rapeseed is directly planted on the plastic film with no-tillage. As follows: (1) removal of corn stalks; (2) sowing; (3) field management. The method of the invention saves farming time, can realize timely sowing of winter rapeseed, improves soil moisture content and ground temperature when sowing winter rapeseed after harvesting corn, makes seedlings emerge uniformly and grows robustly, reduces procedures and costs.

Description

technical field [0001] The invention relates to a planting technique, in particular to a no-tillage and drought-resistant and cold-resistant planting method of winter rapeseed in dry land. Background technique [0002] Rapeseed is the oilseed crop with the largest planting area and the highest yield in Gansu Province, with a sown area of ​​nearly 187,000 hectares, of which the planted area of ​​winter rapeseed is nearly 110,000 hectares, accounting for about 60% of the total sown area of ​​rapeseed. It is mainly distributed in the dry area of ​​the Loess Plateau in the central and eastern part of Gansu Province. Soil moisture conditions are closely related to the overwintering and growth of winter rapeseed. However, during the growth period of winter rape in this area, it has the climate characteristics of little rain and drought, large diurnal temperature range, and changeable cold and warm temperatures. Therefore, strengthening drought resistance and antifreeze is the ke...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G13/02A01B79/02
CPCY02A40/28Y02P60/20
Inventor 李尚中樊廷录赵刚王勇王磊张建军党翼唐小明
Owner DRYLAND AGRI INST GANSU ACADEMY OF AGRI SCI
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