CN103098641B

CN103098641B - Planting method of saline-alkali land greening

Info

Publication number: CN103098641B
Application number: CN201310065444.9A
Authority: CN
Inventors: 张海军
Original assignee: JIANGSU HAIJING GARDEN DEVELOPMENT Co Ltd
Current assignee: Nantong Yangtian Agricultural Technology Development Co.,Ltd.
Priority date: 2013-03-01
Filing date: 2013-03-01
Publication date: 2014-02-19
Anticipated expiration: 2033-03-01
Also published as: CN103098641A

Abstract

The invention belongs to the field of an improvement of a saline-alkali land, in particular to a planting method of saline-alkali land greening. The invention aims at overcoming the defects of an existing saline-alkali land improvement method and a saline-alkali land greening planting method. In order to achieve the purpose, the planting method includes removing surface soil of the saline-alkali land, laying turfy soil on removed surface soil, and planting green plant on laid turfy soil. The turfy soil is fermented by implanting zymophyte after straw is smashed, fermentaiton time is 48 hours, after the straw does not rot completely, remains of 30% are reserved, then micro tungsten essence is mixed, finally block soil is mixed, water with tungsten essence of 40% is mixed, spray technology is utilized, four spray is divided, and the planted greening plant is Dallis grass. The planting method of the saline-alkali land greening has the advantages of being capable of comprehensively utilizing the saline-alkali land in large area, adjusting a structure of the green plant of the saline-alkali land, expanding a coverage area of the green plant of the saline-alkali land, and protecting and improving ecological environment.

Description

A kind of implantation methods of saline land greening

Technical field

The invention belongs to alkaline land improving field, particularly a kind of implantation methods of saline land greening.

Background technology

Saline land is a kind of salt aggregation, refer to that the contained salinity in soil the inside has influence on the normal growth of crop, according to UNESCO and food and agricultural organization's incomplete statistics, the area in saline land, the whole world is 9.5438 hundred million hectares, and wherein China is 9,913 ten thousand hectares.The formation of China's alkaline earth and alkali-affected soil, most of relevant with the accumulative total of Carbonates In Soil, thereby basicity is generally higher, serious salt affected soil regional plant almost can not be survived.At present, the domestic processing method to saline land generally comprises salt discharge method and presses salt method etc., but they all exist weak point, and for example, salt discharge method is by using a large amount of fresh water to rinse for a long time saline land, to make the salt content on surface, saline land reduce.Pressing salt method is to utilize natural precipitation or artificial flood to irrigate, make the infiltration downwards such as the saline and alkaline hole along soil of part, crack, with water, take the salinity of topsoil to bottom, although said method can make the salt content on top layer, saline land reduce, but it is permanent to keep not, and need a large amount of water sources, therefore, need urgently to develop a kind of water consumption little and the method in improvement saline land and the planting technique method in saline land that can be permanently effective.

The obligato a kind of vegetation pattern of afforestation ecological system, not only there is greening, beautify the function of alkaline land soil environment, also have certain soil improvement action, it can cover the exposed earth's surface in saline land in the short period of time, reduces the salt content that ground moisture evaporation reduces topsoil, according to the study, have the plot that green plants covers to be low to moderate 0.1 to 0.2 percentage point than the plot salt content that does not have green plants to cover, and near trees also there will not be the common yellow in saline land, early ageing phenomenon.

Summary of the invention

The object of the invention is in order to overcome the implantation methods of existing saline and alkali land improvement method and a kind of saline land greening, large and the effect of the water consumption that exists keeps impermanent shortcoming, and patent of the present invention provides a kind of water consumption little and can improve long-term effectively method and the saline land greening implantation methods in saline land.

The invention provides a kind of implantation methods of saline land greening, wherein, the method comprises: saline land topsoil is removed, on the topsoil removing, lay turfy soil, on the turfy soil of laying, plant green plants, the degree of depth of the saline land topsoil of getting rid of is 50 centimetres, first described turfy soil is by after crushed stalk, implanting zymophyte ferments, fermentation time is 48 hours, treat that stalk is completely not rotten, leave 30% remains, then sneak into micro-tungsten essence, described tungsten essence accounts for 45% of stalk total amount, finally sneak into again black earth, described black earth accounts for 10% of stalk total amount, after mixing, mix 40% the water containing W elements, utilize spray application, be divided into four sprinklings, every minor tick, until before once do and again spray to 50% time.

Technique scheme is done further to analyze, and the applying of described turfy soil can be cut off salinity and rise, and builds drainage ditch and guarantees that draining is unobstructed, uses nitrogen phosphorus potassium and micro-fertilizer as base fertilizer, rakes after ploughing soil, selects the green plants of Salt And Alkali Tolerance to plant.

Technique scheme is further improved, and the green plants of plantation is Dallis grass; Plantation step is: the kind stem that kind of grass is upwards wiped out to 3-5CM from grass roots portion is cultivated; Described kind stem should, under kind of joint, be removed the part that contains seed and flower; Only retain pure stem; Reject the part that band point has minor matters; According to the density artificial broadcast of 3 square meters of 1 kilogram of plantation, then with rotovator, grass blade is screwed in to soil 1cm left and right; Water in time ferrous sulfate water distribution, keep ground moistening, after 10 days, grass blade roots, and executes nitrate of lime or composite fertilizer once, 25 grams of every square meters, after every fertilising in 15 days once, approximately two first quarter moon Cheng Ping; The grass that part is bloomed and raw seed-bearing grass are rejected; Need not do any other processing to level ground during this period, enter after the winter, select fine day, spray the aqueous solution of the ferrous sulfate that contains 2% until ponding appears in earth's surface, without the yellow leaf in the surperficial earth's surface of cleaning, Second Year enters the winter, selects fine day, repeat to spray the aqueous solution of the ferrous sulfate that contains 2%, until ponding appears in earth's surface; Dallis grass can be removed after receiving and doing in earth's surface, plantation other plant.Dallis grass, former is salt Haiti band vegetatively, because the characteristic of own body belongs to stem growing plant, but due to the wild plant of occurring in nature, by seminal propagation, and in this patent, owing to being for afforesting use, so we have adopted stem's breeding, stop its too much overstocked too high growth, also allow it was not bloomed in the manhood, do not produce seeds, the shape in saline land be due to, subterranean water level is high, under shining upon, water is the upwards evaporation of section not, causes a large amount of salt to stay to cause in stratum; This patent has changed original alkali ground layer, plant special plant thereon, this Plants suction salt performance is strong, root system is dark, in the trimestral growth stage, uses the basic fertilizer of basic unit, crossed after three months, due to the water spray on earth's surface, make it fully take away the salinity in soil, fundamentally solve the high problem of salt content in soil layer.The improvement cycle is 2 years, after entering the winter every year, need to spray the aqueous solution of the ferrous sulfate that contains 2%, its objective is and remove the salt crystallization forming all the year round, this fertilizer of yellow leaf rotting, coordinate ferrous sulfate, the in the situation that of spontaneous fermentation, bring organic principle into stratum depths, thereby soil is brought back to life; Its principle is: in the spring of Second Year, the earth return dim after, earth's surface has fresh grass to cover, the fertilizer that infiltrates earth's surface starts slow fermentation, allows soil moisture, containing the situation of fertilizer, is changed awake.By planting again the Dallis grass of a year, allow in soil and have certain biology, thereby finally reach the modified object in saline land, play greening fundamentally.

The implantation methods of a kind of saline land greening provided by the invention can effectively prevent that top layer plantation soil layer is by salination, thereby making to plant being suitable for that soil layer can be permanent plants, and method provided by the invention is rinsed without a large amount of freshwater resources, thereby effectively reduce water consumption and expanded the scope of application of the method.

Embodiment

An implantation methods for saline land greening, the method comprises: saline land topsoil is removed, on the topsoil removing, lay turfy soil, on the turfy soil of described laying, plant green plants.The degree of depth of the described saline land topsoil of getting rid of is 50 centimetres; First described turfy soil is by after crushed stalk, implanting zymophyte ferments, treat that stalk is completely not rotten, leave 30% remains, then sneak into micro-tungsten essence, finally sneak into again black earth, after mixing, mix 40% the water containing W elements, utilize spray application, be divided into four sprinklings, every minor tick, until before once do and again spray to 50% time.Described implantation zymophyte is fermented, and fermentation time is 48 hours, and described tungsten essence accounts for 45% of stalk total amount, and described black earth accounts for 10% of stalk total amount.

The plant of described plantation is Dallis grass; Plantation step is: the kind stem of upwards wiping out 3-5CM from grass roots portion is cultivated; Described kind stem should, under kind of joint, be removed the part that contains seed and flower; Only retain pure stem; Reject the part that band point has minor matters; According to the density artificial broadcast of 3 square meters of 1 kilogram of plantation, then with rotovator, grass blade is screwed in to soil 1cm left and right; Water in time ferrous sulfate water distribution, keep ground moistening, after 10 days, grass blade roots, and executes nitrate of lime or composite fertilizer once, 25 grams of every square meters, after every fertilising in 15 days once, approximately two first quarter moon Cheng Ping; The grass that part is bloomed and raw seed-bearing grass are rejected; Need not do any other processing to level ground during this period, enter after the winter, select fine day, spray the aqueous solution of the ferrous sulfate that contains 2% until ponding appears in earth's surface, without the yellow leaf in the surperficial earth's surface of cleaning, Second Year enters the winter, selects fine day, repeat to spray the aqueous solution of the ferrous sulfate that contains 2%, until ponding appears in earth's surface; Dallis grass can be removed after receiving and doing in earth's surface, plants other green plants.

Advantage of the present invention is: can effectively cover in the short period of time the exposed earth's surface in saline land, reduce ground moisture evaporation, reduce the salt content of top layer figure; Can large area fully utilize saline land, adjust the structure of saline land greening vegetation; Expand the area coverage of saline land greening vegetation, protect and improve the ecological environment.

Claims

1. an implantation methods for saline land greening, wherein, the method comprises: saline land topsoil is removed, on the topsoil removing, lay turfy soil, on the turfy soil of described laying, plant green plants; The degree of depth of the saline land topsoil of getting rid of is 50 centimetres; First turfy soil is by after crushed stalk, implanting zymophyte ferments, treat that stalk is completely not rotten, leave 30% remains, then sneak into micro-tungsten essence, finally sneak into again black earth, after mixing, mix 40% the water containing W elements, utilize spray application, be divided into four sprinklings, every minor tick, until before once do and again spray to 50% time.

2. the implantation methods of a kind of saline land greening according to claim 1, is characterized in that: described implantation zymophyte is fermented, and fermentation time is 48 hours, and described tungsten essence accounts for 45% of stalk total amount, and described black earth accounts for 10% of stalk total amount.

3. the implantation methods of a kind of saline land greening according to claim 1, is characterized in that: the plant of plantation is Dallis grass; Plantation step is: the kind stem of upwards wiping out 3-5CM from grass roots portion is cultivated; Described kind stem should, under kind of joint, be removed the part that contains seed and flower; Only retain pure stem; Reject the part that band point has minor matters; According to the density artificial broadcast of 3 square meters of 1 kilogram of plantation, then with rotovator, grass blade is screwed in to soil 1cm left and right; Water in time ferrous sulfate water distribution, keep ground moistening, after 10 days, grass blade roots, and executes nitrate of lime or composite fertilizer once, 25 grams of every square meters, after every fertilising in 15 days once, approximately two first quarter moon Cheng Ping; The grass that part is bloomed and raw seed-bearing grass are rejected; Need not do any other processing to level ground during this period, enter after the winter, select fine day, spray the aqueous solution of the ferrous sulfate that contains 2% until ponding appears in earth's surface, without the yellow leaf in the surperficial earth's surface of cleaning, Second Year enters the winter, selects fine day, repeat to spray the aqueous solution of the ferrous sulfate that contains 2%, until ponding appears in earth's surface; Dallis grass can be removed after receiving and doing in earth's surface, plants other green plants.