CN106105728A - After a kind of winter rape, stubble transplants the cultural method of Cotton Gossypii - Google Patents

Abstract

After the invention discloses a kind of winter rape, stubble transplants the cultural method of Cotton Gossypii, comprises the following steps: 1) wholely, 2) selection kind, 3) transplant, 4) chemical regulation, 5) pour water, 6) pinch.After a kind of winter rape that the present invention provides, stubble transplants the cultural method of Cotton Gossypii, has the advantages that (1) improves transplanted seedling survival rate, substantially ensure that more than 98%；(2) more general method for transplanting improves yield；(3) exempting from training, exempt from a final singling technology, mu saves labour cost 200 yuan, improves cotton planting comparative effectiveness.

Description

After a kind of winter rape, stubble transplants the cultural method of Cotton Gossypii

Technical field

The present invention relates to arviculture implantation methods technical field, after being specifically related to a kind of winter rape, stubble transplants Cotton Gossypii Cultural method.

Background technology

Along with the solution of winter rape winter issue, plant cotton region cotton oil continuous cropping ratio in Hexi prefecture and rise, stubble after winter rape Transplant Cotton Gossypii high-efficient planting patterns to be promoted and application with technology, while realizing farmland annual mulching, change traditional one Year one ripe for yield two crops a year/two years three ripe, improve multiple crop index, make the cotton collaborative volume increase of oil, ecological benefits and economic benefit with Step improves, and preferably resolves cotton oil and strives ground contradiction, but after Brassica campestris L in stubble Transplanted Cotton floral patterning, though the growing way of transplanting Cotton Gossypii can be made Being synchronized with normal sowing dates, but during transplanting, temperature is high, evaporation in the field amount is big, and seedling-slowing stage is longer and death rate is higher, and growth is sent out Prolonging after educating, autumn Fructus Persicae ratio is big, and output of cotton and quality decline, and after how promoting Brassica campestris L, stubble transplants cotton replanting planting percent and guarantee Good quality and high output has become the task of top priority.

Currently for after Brassica campestris L stubble transplant Cotton Gossypii technical research focus mostly in Fruit variety, date of seeding grasp, Transplanting Density and Comprehensive field management and the aspect such as photosynthesis characteristics and the meteorological effect factor, and it is mainly used in In Middle And Lower Reaches of Changjiang River, although After can improving, stubble transplants planting percent and yield, but can't fully meet Northwest inland high-density planting pattern and gently simplify cultivation Training requirement, therefore, sets up one and is suitable for northern area, and particularly after the winter rape of Northwest inland cotton region, stubble transplants the cultivation that Cotton Gossypii is new Training technical system is the most necessary.

Summary of the invention

The purpose of the present invention is aiming at above-mentioned defect of the prior art, it is provided that one is suitable for northern area winter oil After dish, stubble transplants the cultural method of Cotton Gossypii, is pinched and changes the key measures such as control solved shifting by transplanting final singling water, guarantor's foline, morning Plant that planting percent is low, prolong after growth promoter, autumn Fructus Persicae ratio big, degradation problem under output of cotton and quality, it is achieved that oil is cotton collaborative to be increased Produce potentiation.

To achieve these goals, the technical scheme that the present invention provides is: after a kind of winter rape, stubble transplants the cultivation of Cotton Gossypii Method, comprises the following steps:

1) wholely: after rape harvest, 250 ± 50m is irrigated³Suitable quantity of water, when soil moisture content is suitable, i.e. with 0-20cm soil layer When the interior soil water accounts for field capacity 70%-80%, carry out ploughing, raking the soil level, remove undesirable root after Brassica campestris L is received, after whole ground, use sufficient base Fertilizer, the available N used after the controlled release N+50kg mix homogeneously of per hectare fertilizer amount respectively 60kg 90 days phases of release, 60kg P₂O₅、30kg K₂O, applies below topsoil 10cm；

2) selection kind: the front stubble rape harvest phase, in late May, owing to Transplanted Cotton flower growth and development after date prolongs, need to select period of duration Precocity, compact cotton variety less than 130 days carry out nursery；

3) transplant: punching with cotton transplanter before transplanting, Transplanting Density is 11000 strains/666.7m², spacing in the rows 15cm, OK After 40cm, punching, water 500mL in every cave, waters final singling water 500mL after transplanting again, sprays guarantor's foline to shorten after transplanting 2 days Seedling-slowing stage, spraying concentration is 0.1g/L, and after 4～5 days, transplanted seedling can normal growth；

4) chemical regulation: carry out 3 mepiquat chloride chemical regulations respectively at squaring period, florescence, flowering and boll-setting period, mepiquat chloride concentration is respectively For 0.13g/L, 0.33 g/L, 0.53 g/L；Flowering and boll-setting period uses carbamide 5kg/666.7 m², and a blade face was sprayed every 7 days Fertilizer, continuous 3 times, the timely prevention and elimination of disease and pests of whole period of duration, other management are identical with land for growing field crops conventional measure；

5) pour water: pour water in squaring period, florescence 240m respectively³/666.7m²；

6) pinching: budding point pinching of pinching after 6 layers in Cotton Gossypii, i.e. use the flower bud phase to pinch method, general planting is that flowering and boll-setting period is pinched, its Its field management is with conventional method for transplanting.

After a kind of winter rape that the present invention provides, stubble transplants the cultural method of Cotton Gossypii, has the advantages that

(1) improve transplanted seedling survival rate, substantially ensure that more than 98%.

(2) more general method for transplanting improves yield.

(3) exempting from training, exempt from a final singling technology, mu saves labour cost 200 yuan, improves cotton planting comparative effectiveness.

Detailed description of the invention

Embodiment 1:

After Dunhuang, Gansu Province city winter rape, the live Cotton Gossypii of stubble illustrates for instantiation.

After Wei Jiaqiao village, Dunhuang carries out winter rape, stubble transplants Cotton Gossypii, and this ground area is 666.7m², winter rape is before year August 20 was sowed, and next year gathers in the crops by the end of May, and after winter rape is gathered in the crops, half cotton field (referred to as A) transplants plantation by the inventive method, Irrigate suitable quantity of water (250 ± 50m³), carry out ploughing, raking the soil level when soil moisture content is suitable, remove Brassica campestris L undesirable root etc., execute after whole ground Foot base manure, per hectare fertilizer amount be respectively 60kg controlled release N (release 90 days phases)+50kg available N (using after mix homogeneously), 60kg P₂O₅、30kg K₂O, applies below topsoil 10cm, it is ensured that plough smooth, overlay film seeder overlay film.

Selection period of duration carries out culturing and transplanting seedlings early than the compact cotton variety of 130 days, uses cotton transplanter before transplanting Punching, Transplanting Density is 11000 strains/666.7m², spacing in the rows 15cm, line-spacing 40cm, after punching, water 500mL in every cave, waits to move Watering final singling water 500mL after cultivation again, spray guarantor's foline after waiting transplanting 2 days, concentration is 0.1g/L, to shorten seedling-slowing stage, after 4～5 days Transplanted seedling can normal growth.

Carrying out 3 mepiquat chloride chemical regulations respectively at squaring period, florescence, flowering and boll-setting period, mepiquat chloride concentration is respectively 0.13 g/L、0.33 g/L、0.53 g/L；Flowering and boll-setting period uses carbamide 5kg/666.7 m², and sprayed a foliage fertilizer every 7 days, continuously 3 times, the timely prevention and elimination of disease and pests of whole period of duration, other management are with land for growing field crops conventional measure.Budding at cotton plant and pinch immediately after six layers (pinching), nourishes and grows to reduce, accelerates reproductive growth, it is ensured that blow-of-cottons are ripe in advance.

Second half cotton field (referred to as B) is by local Cotton Gossypii routine method for transplanting plantation, with general planting pipe after the method transplanting Reason, line-spacing 0.4m, spacing in the rows 0.15m, density is 1.1 ten thousand strains/666.7m², period carries out training of pinching, and other control measures are with big Field conventional measure.

Result of implementation shows, compares with conventional method for transplanting, and the inventive method cotton development stage shortens 15 days, and before frost, flower rate reaches To more than 85%, yield increases by 20%；After achieving cotton region, Hexi Corridor winter rape, stubble transplants cotton prematurity fine quality production.

Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent. All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's Within protection domain.

Claims (1)

1. after a winter rape, stubble transplants the cultural method of Cotton Gossypii, it is characterised in that comprise the following steps:

1) wholely: after rape harvest, 250 ± 50m is irrigated³Suitable quantity of water, when soil moisture content is suitable, i.e. with 0-20cm soil layer When the interior soil water accounts for field capacity 70%-80%, carry out ploughing, raking the soil level, remove undesirable root after Brassica campestris L is received, after whole ground, use sufficient base Fertilizer, the available N used after the controlled release N+50kg mix homogeneously of per hectare fertilizer amount respectively 60kg 90 days phases of release, 60kg P₂O₅、30kg K₂O, applies below topsoil 10cm；

2) selection kind: the front stubble rape harvest phase, in late May, owing to Transplanted Cotton flower growth and development after date prolongs, need to select period of duration Precocity, compact cotton variety less than 130 days carry out nursery；

3) transplant: punching with cotton transplanter before transplanting, Transplanting Density is 11000 strains/666.7m², spacing in the rows 15cm, OK After 40cm, punching, water 500mL in every cave, waters final singling water 500mL after transplanting again, sprays guarantor's foline to shorten after transplanting 2 days Seedling-slowing stage, spraying concentration is 0.1g/L, and after 4～5 days, transplanted seedling can normal growth；

4) chemical regulation: carry out 3 mepiquat chloride chemical regulations respectively at squaring period, florescence, flowering and boll-setting period, mepiquat chloride concentration is respectively For 0.13g/L, 0.33 g/L, 0.53 g/L；Flowering and boll-setting period uses carbamide 5kg/666.7 m², and a blade face was sprayed every 7 days Fertilizer, continuous 3 times, the timely prevention and elimination of disease and pests of whole period of duration, other management are identical with land for growing field crops conventional measure；

5) pour water: pour water in squaring period, florescence 240m respectively³/666.7m²；

6) pinch: budding point pinching of pinching after 6 layers in Cotton Gossypii, i.e. use the flower bud phase to pinch method.