The potted plant cultivation matrix of a kind of corn and cultivating method
technical field
The present invention relates to the potted plant cultivation technique of agronomy field, particularly the potted plant cultivation matrix of a kind of corn, also relate to the potted plant cultivating method of a kind of corn.
background technology
Pot experiment is in culture experiment modal one type, and it is to adopt special container, under the conditions such as Artificial Control liquid manure, illumination, temperature, carries out growing or the method for the aspect research such as crop physiology of crop alimentary and fertilising, crop.
Just carried out the willow pot experiment as far back as Helmont in 1640, this test is considered to the beginning of plant physiology research, has opened the research of photosynthesis and Plant Nutrition.After this, because the basin alms bowl volume of pot experiment is little, the number of cultivation plant is also few, the conditions such as soil, fertilizer, moisture are easily controlled, and are conducive to carry out accurate single-factor research and are widely used.
Pot experiment is in fact a simulation test, because growing environment and field have very big difference so acquired results can not directly apply to land for growing field crops, general new technology or the investigative test relevant to plant, the pot experiments that adopt such as the mechanism Journal of Sex Research such as the plant nutrition that accuracy is had relatively high expectations, soil nutrient more.In agricultural sciences, the theory study of field research result mainly realizes by pot experiment; In the research of the fertilizer of Plant Nutrition, environmental science, environmental pollutant are to all depending on pot experiment to the screenings of transgenic plant and ecological certain fields etc. in the simulation of plant hazard, molecular biology.For example, carry out multiple soil, the comparison of multiple fertilizer under identical conditions, be difficult to carry out under field condition, the effect that adopts pot experiment to obtain getting twice the result with half the effort.
Yet, because the restriction of operability factor, basin alms bowl volume in potted plant research and all less by the soil amount, can not meet the needs of growth and development of plants fully, cause potted plant cultivated plant often high not as vigorous, the well developed root system of field production plant-growth, output, reduced the representativeness of test-results.Therefore, for making pot experiment and field experiment, be consistent, the warranty test result more can instruct production exactly, is necessary potted plant cultivating method is changed and improves.
Pot experiment can be divided into to the several different methods such as earth culture, sand culture and water planting again according to the growth medium of basin alms bowl, the related pot experiment of this patent is the earth culture method.In the potted plant cultivation technique of a lot of trees, flowers, use matrix, but there is no a kind of matrix that is applicable to the potted plant cultivation of corn.Due to different plant growth characteristics differences, thus the matrix of using in trees, flowers, can not fully move in maize culture and use, therefore, studying a kind of potted plant cultivation matrix of corn that is applicable to is to be badly in need of a problem that will solve in the potted plant research of corn.
summary of the invention
The present invention, from the potted plant cultivation matrix angle of improvement corn, solves the drawback of above-mentioned existing cultivating method, provides a kind of and is beneficial to the corn stem leaf growth, promotes well developed root system, realizes that seedling is complete, seedling strong, finally improves the potted plant cultivation matrix of corn yield.
Another object of the present invention has been to provide the potted plant cultivating method of a kind of corn that uses described potted plant cultivation matrix.
The present invention is achieved by the following measures:
The potted plant cultivation matrix of a kind of corn, the component that comprises following weight percent:
Organic content is 10~76.9%, and content of humic acid is 20~57%, and nitrogen, phosphorus, potassium total amount content are 0~22.9%, and micronutrient levels is 0.1%~10.1%, and wherein the ratio of nitrogen, phosphorus, potassium is 3:1:2.
The potted plant cultivation matrix of described corn, the component that comprises following weight percent:
Organic content is 30~55%, and content of humic acid is 35~50%, and nitrogen, phosphorus, potassium total amount content are 2.9~19.9%, and micronutrient levels is 0.1~7.1%, and wherein the ratio of nitrogen, phosphorus, potassium is 3:1:2.
The potted plant cultivation matrix of described corn, the component that comprises following weight percent:
Organic content is 50%, and content of humic acid is 46.9%, and nitrogen, phosphorus, potassium total amount content are 3%, and trace element (zinc) content is 0.1%, and wherein the ratio of nitrogen, phosphorus, potassium is 3:1:2.
The potted plant cultivating method of a kind of corn comprises the following steps:
(1) select the basin alms bowl: select height, diameter differs the basin alms bowl that is less than 0.5cm, gets the draining thing that is contained in basin alms bowl bottom ready, the basin alms bowl is transferred to and is waited weight;
(2) dig and bury ditch: bury the degree of depth of ditch lower than basin alms bowl height 3~5cm, bury the width of ditch and be longer than basin alms bowl diameter 10~20cm;
(3) the basin alms bowl is buried: bury after ditch digs, the basin alms bowl is sequentially arranged in and buries in ditch, between basin alms bowl and basin alms bowl, stay 5~10cm gap;
(4) banket: while banketing, in basin alms bowl surrounding, carry out, to keep the basin alms bowl uprightly and the suitable distance between the basin alms bowl simultaneously;
(5) the potted plant cultivation matrix of the described corn of any one in claim 1-3 of packing into, the Intake Quantity of the potted plant cultivation matrix of corn is 4/5 of basin alms bowl volume, packing density is 1g/cm
3.
(6) dress soil: according to test objective, task, choose soil, after removing foreign material, by the sieve of aperture 2~3mm, soil is contained in to the potted plant cultivation matrix of corn top, Intake Quantity is 1/5 of basin alms bowl volume, and packing density is 1.3g/cm
3;
(7) fertilising;
(8) pour water; By drying weighting method, keep the native water content of basin in the time of infertility at 75 ~ 85% of field capacity;
(9) sowing;
(10) vermiculite covers: after planting first earthing covers tightly, then is covered with one deck vermiculite, and the vermiculite overlay capacity is 30g/m
3.
The potted plant cultivating method of described corn, basin alms bowl bore specification is 25~35cm, the height specification is 30~40cm, the maize seedling of every basin field planting 1 strain robust growth.
The potted plant cultivating method of described corn, choose topsoil soils during dress soil, and the soil of fetching is removed stone and plant roots and stems foreign material, after doing, by the sieve of aperture 2~3mm.
The potted plant cultivating method of described corn, at first fill with and bury ditch while pouring water, slowly pour into along basin alms bowl surrounding, until basin alms bowl surrounding, banket after all steady and sure and can stop, to being poured water in the basin alms bowl, by drying weighting method, keep the native water content of basin in the time of infertility at 75 ~ 85% of field capacity afterwards.
Beneficial effect of the present invention:
1, be conducive to promote root development, realize that corn is taken root deeply, well developed root system, test shows, adds matrix and can reach 156~285 milliliters with the potted plant maize root system volume of displacement that vermiculite covers, than conventional earth culture method increase by 73~216%; Root length reaches 1.4 meters, than conventional earth culture method, increases by 1 meter left and right;
2, water conservation, fertilizer conservation, cost-saving, improves output, and the water-absorbent of vermiculite, cationic exchange and properties of chemical composition, make it play fertilizer conservation, water retention;
3, management is simple, easily realizes that seedling is neat, seedling strong, and medium and vermiculite possess the multiple actions such as water storage, ventilative and mineral manure, can reduce potted plant frequency of irrigation, and management is simple, easily realizes that seedling is neat, seedling strong;
4, good permeability, comprehensive nutrition, seedling stage diseases and pests is few, and the medium of packing into makes in the basin alms bowl to tighten lower pine, good permeability, medium itself is rich in organic matter, humic acid and nitrogen, phosphorus, potassium, and comprehensive nutrition is conducive to plant strain growth, and disease and pest reduces.
Embodiment
For a better understanding of the present invention, below in conjunction with specific embodiment, further illustrate.
embodiment 1:
1, select the basin alms bowl: the basin alms bowl can be selected basin or the bucket of being made by pottery, enamel, glass or plastics, basin alms bowl bore specification is: 25~35cm, height specification are: 30~40cm, after determining specification, size, the basin number needed by test, select height, diameter differs and is less than 0.5cm, the basin alms bowl of similar weight, get the draining thing (chad, glass cullet etc.) that is contained in basin alms bowl bottom ready, and the basin alms bowl is transferred to and is waited weight;
2, dig and bury ditch: the degree of depth of burying ditch is definite according to basin alms bowl height, specifically should be lower than basin alms bowl height 3~5cm; Furrow width is determined according to basin alms bowl diameter, specifically should be longer than basin alms bowl diameter 10~20cm;
3, the basin alms bowl is buried: bury after ditch digs, the basin alms bowl is sequentially arranged in and buries in ditch, stay 5~10cm gap between basin alms bowl and basin alms bowl, so that the field operation;
4, banket: the mode according to above-mentioned 2 will test required basin alms bowl be arranged in order complete after, can banket and bury, while banketing, note carrying out in basin alms bowl surrounding, to keep the suitable distance between the upright and basin alms bowl of basin alms bowl simultaneously;
5, the potted plant cultivation matrix of dress corn: in the potted plant cultivation matrix of corn, organic content is 76.9%, content of humic acid is 20%, nitrogen, phosphorus, potassium total amount content are 3%, ratio is 3:1:2, trace element zinc content is 0.1%, by the matrix basin alms bowl of packing into, Intake Quantity is 4/5 of basin alms bowl volume, and packing density is 1 g/cm
3;
6, dress soil: according to test objective, task, choose topsoil soils, the soil fetched is removed stone and plant roots and stems foreign material, slightly dry after, by the sieve of aperture 2~3mm, and properly preserve, prevent wind and weather and Exposure to Sunlight, during the dress basin, soil is contained in to the medium upper strata, Intake Quantity is 1/5 of basin alms bowl volume, and packing density is 1.3 g/cm
3;
7, fertilising: according to test requirements document, select the fertilizer applied; Organic fertilizer and insoluble chemical fertilizer are applied with solid state; Molten or the bibulous chemical fertilizer of commute should be made into 1% concentration and apply with liquid state;
8, pour water: after having applied fertilizer, can pour water, at first fill with and bury ditch while pouring water, along basin alms bowl surrounding, slowly pour into, banket after all steady and sure and can stop until basin alms bowl surrounding, to being poured water in the basin alms bowl, by drying weighting method, keep the native water content of basin in the time of infertility at 75 ~ 85% of field capacity afterwards;
9, sowing: the selection percentage of germination is high, the seed of uniformity, disinfection before sowing, before sowing, by table soil leveling in basin, 3~4 of every basin sowings, seed level is 3~5 cm, thinning after 6 d of emerging, every basin retains the two strains uniform seedling of growing, and 5 leaf phases were carried out final singling, the maize seedling of every basin field planting 1 strain robust growth
10, vermiculite covers: after planting first earthing covers tightly, and is covered with afterwards one deck vermiculite again, and the vermiculite overlay capacity is 30g/m
3.
The individual plant stem stalk recorded is heavy, blade is heavy, root system is heavy, fruit ear is heavy, average root system volume of displacement, average root length be in Table 1.
embodiment 2:
In the potted plant cultivation matrix of corn used, organic content is 10%, and content of humic acid is 57%, and nitrogen, phosphorus, potassium total amount content are 22.9%, and ratio is 3:1:2, and trace element (zinc) content is 10.1%, and by the matrix basin alms bowl of packing into, Intake Quantity is 4/5 of basin alms bowl volume; The vermiculite overlay capacity is 30g/m
3, other techniques are in full accord with embodiment 1.The individual plant stem stalk recorded is heavy, blade is heavy, root system is heavy, fruit ear is heavy, average root system volume of displacement, average root length be in Table 1.
embodiment 3:
In the potted plant cultivation matrix of corn used, organic content is 30%, and content of humic acid is 50%, and nitrogen, phosphorus, potassium total amount content are 19.9, ratio is 3:1:2, trace element (zinc) content is 0.1%, and by the matrix basin alms bowl of packing into, the matrix Intake Quantity is 4/5 of basin alms bowl volume; The vermiculite overlay capacity is 30g/m
3, other techniques are in full accord with embodiment 1.The individual plant stem stalk recorded is heavy, blade is heavy, root system is heavy, fruit ear is heavy, average root system volume of displacement, average root length be in Table 1.
embodiment 4:
In the potted plant cultivation matrix of corn used, organic content is 55%, and content of humic acid is 35%, and nitrogen, phosphorus, potassium total amount content are 2.9, and ratio is 3:1:2, and trace element (zinc) content is 7.1%, and by the matrix basin alms bowl of packing into, the matrix Intake Quantity is 4/5 of basin alms bowl volume; The vermiculite overlay capacity is 30g/m
3, other techniques are in full accord with embodiment 1.The individual plant stem stalk recorded is heavy, blade is heavy, root system is heavy, fruit ear is heavy, average root system volume of displacement, average root length be in Table 1.
embodiment 5:
In the potted plant cultivation matrix of corn used, organic content is 50%, and content of humic acid is 46.9%, and nitrogen, phosphorus, potassium total amount content are 3%, and ratio is 3:1:2, and trace element (zinc) content is 0.1%, and by the matrix basin alms bowl of packing into, Intake Quantity is 4/5 of basin alms bowl volume; The vermiculite overlay capacity is 30g/m
3, other techniques are in full accord with embodiment 1.The individual plant stem stalk recorded is heavy, blade is heavy, root system is heavy, fruit ear is heavy, average root system volume of displacement, average root length be in Table 1.
embodiment 6:
Do not use the potted plant cultivation matrix of corn, only add soil in the basin alms bowl, after planting add the vermiculite of same amount with embodiment 5, the individual plant stem stalk recorded is heavy, blade is heavy, root system is heavy, fruit ear is heavy, average root system volume of displacement, average root length be in Table 1.
the different embodiment individual plant of table 1 stem stalk is heavy, blade weighs, root system is heavy, fruit ear is heavy, on average root system volume of displacement, average root length result are added up