CN105684810A

CN105684810A - Method for reducing apple continuous cropping obstacles by means of slightly acid electrolyzed water

Info

Publication number: CN105684810A
Application number: CN201610067159.4A
Authority: CN
Inventors: 相立; 尹承苗; 毛志泉; 王功帅; 李法德; 陈学森
Original assignee: Shandong Agricultural University
Current assignee: Shandong Agricultural University
Priority date: 2016-01-29
Filing date: 2016-01-29
Publication date: 2016-06-22

Abstract

The invention relates to a method for reducing apple continuous cropping obstacles by irrigating slightly acid electrolyzed water. The method comprises the steps that planting furrows are irrigated with the slightly acid electrolyzed water before apple seedlings are planted in spring, wherein the irrigation quantity of the slightly acid electrolyzed water is one ninth of the backfilled soil volume, and the physical and chemical indexes of the slightly acid electrolyzed water are that the pH is 6.0+/-0.05, the ORP is 1050+/-20 mV, and ACC is 70+/-5 mg/L. The invention provides a new method for reducing the apple continuous cropping obstacles through the principle that the slightly acid electrolyzed water can kill microorganisms. The method is simple, green and environmentally friendly and avoids environmental pollution and damage to human bodies.

Description

A kind of method utilizing subacidity electrolysis water to alleviate continuous cropping obstacle of apple

(1) technical field

The present invention relates to a kind of method utilizing subacidity electrolysis water to alleviate continuous cropping obstacle of apple, belong to field of fruit tree cultivation。

(2) background technology

Fructus Mali pumilae is the fruit tree species that China's cultivated area is maximum, limited by land resource, old orchard necessarily faces sequential cropping cultivation when updating, and then bring continuous cropping obstacle phenomenon, continuous cropping obstacle shows as tree, and low body is little, yield reduces, quality deteriorates, seriously even tree body is dead for pest and disease damage, causing serious economic loss to Fructus Mali pumilae operator, therefore, research continuous cropping obstacle of apple Control Technology is significant。Harmful fungoid in continuous cropping soil, particularly fusaria fungus are the main causes causing continuous cropping obstacle。Producing for above-mentioned reason and alleviate continuous cropping obstacle of apple frequently with measures such as crop rotation (plantation annual crop), soil-fumigatings, but crop rotation is consuming time oversize, the general crop rotation time cannot be below 3 years, not easily promotes in production。Environment and human body will be had harm in various degree by chemical fumigation, and therefore, research is easily promoted, the technology of environmental protection can favorably promote the development of Apple Industry in order to alleviate continuous cropping obstacle of apple。Electrolysis glassware for drinking water has sterilization, economy, the plurality of advantages such as safe and environment-friendly, utilize subacidity electrolysis water can kill the principle of microorganism, have studied the subacidity electrolysis water effect to alleviating continuous cropping obstacle of apple, namely free from environmental pollution, substantially reducing again the quantity of harmful fungoid in continuous cropping soil, effective prevention and control continuous cropping obstacle of apple is had important practice significance by this。

(3) summary of the invention

In order to solve the problems referred to above, the invention provides a kind of method utilizing subacidity electrolysis water to alleviate continuous cropping obstacle of apple。

A kind of water the method that subacidity electrolysis water alleviates continuous cropping obstacle of apple, it is when garden is built in Fructus Mali pumilae continuous cropping, after fruit picking in autumn, plane is set, is spread fertilizer over the fields 8000kg/ mu farmyard manure and plough deeply, field planting ditch was excavated before winter, pick up except undesirable root, by separated for topsoil (under earth's surface the soil layer of 0-30cm) and the subsoil (under earth's surface the soil layer of 30-60cm) dug out, plant spring apple seedling time, according to subsoil upper, topsoil under order backfill；First watering subacidity electrolysis water before planting in field planting ditch, subacidity electrolysis water irrigation amount is the 1/9 of backfill soil volume；Described subacidity electrolysis water physical and chemical index is: pH6.0 ± 0.05, ORP1050 ± 20mV, ACC70 ± 5mg/L；During sapling up-growth, normal fertilizing management。

Beneficial outcomes: principles of the invention is that subacidity electrolysis water can kill microorganism, utilize this Principle Study subacidity electrolysis water main harmful bacteria to causing continuous cropping obstacle of apple, such as the bactericidal effect of Fusarium oxysporum, finally play the effect alleviating continuous cropping obstacle of apple。The inventive method is simple, draws materials conveniently, saves recruitment, it is simple to popularization and application；Environmental protection of the present invention, it is to avoid the environmental pollution that original individual method is likely to result in and the injury to human body。

(4) accompanying drawing explanation

Fig. 1 is the different disposal impact on continuous cropping hupehensis Rehd Seedling Height

Fig. 1 shows that subacidity electrolysis water processes the plant height significantly improving continuous cropping hupehensis Rehd seedling, compared with compareing with continuous cropping soil, improves 45.78%, but compared with methyl bromide fumigation, decreases 37.63%。

Fig. 2 is the different disposal impact on footpath, continuous cropping hupehensis Rehd seedling ground

Fig. 2 shows that subacidity electrolysis water processes the footpath, ground significantly increasing continuous cropping hupehensis Rehd seedling, compared with compareing with continuous cropping soil, improves 35.26%, but compared with methyl bromide fumigation, decreases 30.73%。

Fig. 3 is the different disposal impact on continuous cropping hupehensis Rehd seedling fresh weight

Fig. 3 shows that subacidity electrolysis water processes the fresh weight significantly increasing continuous cropping hupehensis Rehd seedling, compared with compareing with continuous cropping soil, improves 64.88%, but compared with methyl bromide fumigation, decreases 55.13%。

Fig. 4 is the different disposal impact on continuous cropping hupehensis Rehd seedling dry weight

Fig. 4 shows that subacidity electrolysis water processes the dry weight significantly increasing continuous cropping hupehensis Rehd seedling, compared with compareing with continuous cropping soil, improves 98.83%, but compared with methyl bromide fumigation, decreases 55.85%。

Fig. 5 is that different disposal is on the impact of bacterial number in continuous cropping soil

Fig. 5, it can be seen that subacidity electrolysis water substantially changes the bacterial number in continuous cropping soil, compared with compareing with continuous cropping soil, decreases 28.12%, but compared with methyl bromide fumigation, adds 35.29%。

Fig. 6 is that different disposal is on the impact of fungi in continuous cropping soil

Fig. 6, it can be seen that subacidity electrolysis water substantially changes the fungi in continuous cropping soil, compared with compareing with continuous cropping soil, reduces 30.26%, but compared with methyl bromide fumigation, adds 30.32%。

Methyl bromide fumigation sterilization be current prevention and control continuous cropping obstacle of apple the best way, but because of its to atmospheric ozone layer be harmful to, be prohibited large area use。Be can be seen that by Fig. 1-Fig. 6, although effect of the present invention is slightly poorer than methyl bromide fumigation sterilization, but the present invention is compared with the comparison of continuous cropping soil, effect highly significant, and environmental protection。

(5) detailed description of the invention

Embodiment 1: pot experiment

On May 1st, 2015, by through lamination, accelerating germination apple rootstock hupehensis Rehd planting seed in seedlings nursing plate nursery, during to seedling length to the 3rd true leaf, the seedling replanting taking growing way basically identical is tested。Test sets three process, often processes 30 basins, every basin field planting 2 strain seedling。In every basin, continuous cropping soil is handled as follows respectively: with untreated continuous cropping soil for comparison (CK1)；Subacidity electrolysis water processes (T): transplant continuous cropping soil pouring subacidity electrolysis water in first 3 days basins of seedling, irrigation amount is soil: subacidity electrolysis water=9: 1 volume ratio (the used subacidity electrolysis water of the present embodiment with reference to the patent No. be 201010556255.8, denomination of invention be that the patent of " immersed electrolyzing mixing device " makes, subacidity electrolysis water physical and chemical index: pH6.0 (± 0.05), ORP1050 (± 20) mV, ACC70 (± 5) mg/L)；With methyl bromide fumigation for comparison (CK2)。In in August, 2015 to the Biomass of the potted plant hupehensis Rehd seedling of each process, soil bacteria, fungi, Fusarium oxysporum the index such as real time fluorescent quantitative be measured, result is as follows:

The impact on continuous cropping soil Fusarium oxysporum of the table 1 subacidity electrolysis water

Table 1 is the impact on continuous cropping soil Fusarium oxysporum of the subacidity electrolysis water, real time fluorescent quantitative testing result shows, subacidity electrolysis water can significantly reduce the quantity of Fusarium oxysporum in continuous cropping soil, and compared with compareing with continuous cropping soil, the copy number of Fusarium oxysporum reduces 39.47%。Methyl bromide fumigation sterilization is current prevention and control continuous cropping obstacle of apple the best way, but because atmospheric ozone layer is harmful to by it, be prohibited large area use, although the weak effect that the effect of T is than CK2, in the present embodiment, Celfume compares as high standard, with comparison T process (i.e. the present invention) the improvement degree to continuous cropping。

Embodiment 2: demonstrate in field

After fruit picking in autumn, plane is set, is spread fertilizer over the fields 8000kg/ mu farmyard manure and plough deeply, pick up except undesirable root, excavating field planting ditch before winter, topsoil (under earth's surface 0-30cm soil layer), lower soil layer (under earth's surface 30-60cm soil layer) are separated, and when spring backfills, subsoil is upper；First 5 days plant pits of planting water subacidity electrolysis water, irrigation amount is the 1/9 of backfill soil (namely digging out the volume of soil) volume ratio, plant pit pouring 14L subacidity electrolysis water square for 50cm, plant pit soil is uniformly blended into special No. 2 of 3kg ' Herba Marsileae Quadrifoliae ' bacterial manure field planting, catch cropping Semen arachidis hypogaeae in the ranks, continuous catch cropping 3 years, second, third year spring after field planting respectively imposes ' special No. 2 of Herba Marsileae Quadrifoliae ' bacterial manure 1 time in tree dish scope。The present invention is verified on the ground such as Laizhou, Shandong, Tai'an, and sapling up-growth of replanting after treatment physically well develops, and a situation arises significantly reduces for pest and disease damage, illustrates that the field demonstration effect of the present invention is good。

Claims

1. one kind is watered the method that subacidity electrolysis water alleviates continuous cropping obstacle of apple, it is when garden is built in apple orchard continuous cropping, after fruit picking in autumn, plane is set, is spread fertilizer over the fields 8000kg/ mu farmyard manure and plough deeply, field planting ditch was excavated before winter, pick up except undesirable root, by under the earth's surface dug out 0-30cm topsoil and under earth's surface the subsoil of 30-60cm separated, plant spring apple seedling time, according to subsoil upper, topsoil under order backfill；It is characterized in that before planting, in field planting ditch, first pouring backfills the subacidity electrolysis water of soil volume ratio 1/9。

2. as claimed in claim 1 a kind of water the method that subacidity electrolysis water alleviates continuous cropping obstacle of apple, it is characterised in that described subacidity electrolysis water physical and chemical index is: pH6.0 ± 0.05, ORP1050 ± 20mV, ACC70 ± 5mg/L。