A kind of cashew nut is grown seedlings and is mixed culture medium and preparation method thereof
Technical field
The invention belongs to the mixed culture matrix field of growing seedlings of nursery stock, especially relate to a kind of cashew nut grow seedlings mixed culture matrix and preparation technology thereof.
Background technology
Cashew nut (Anacardium occidentale L.) originates in Brazilian northeast, and typical tropical aiphyllium fruit tree is one of world-renowned four large nuts.Cashew nuts is containing protein 21.2%, fat 47%, starch 4.6-11.2%, sugared 2.4-8.2%, and vitamin A, B
1, B
2deng, for cashew nuts chocolate processed, dessert and first-class preserved fruit, and make fried and salting food product, nutritious, local flavor is fragrant beautiful, sells well all over the world.Cashew nut byproduct has cashew nut shell, fruit pears etc.Cashew nut shell is containing cashew shell liquid 45% left and right, and cashew shell liquid is containing cashew nut shell oil acid 90%, and card Du phenol 10%, is a kind of siccative oil, can make the senior paint of epoxy resin, colour film tinting material, good brake rubber block, synthetic rubber and undersea cable insulating material etc.Cashew apple soft and succulency, moisture 87.8%, sugar 11.6%, protein 0.2%, fat 0.1%, vitamins C is abundant, and a small amount of calcium, phosphorus, Iron and Vitamin A, B
1, B
2, can make fruit, also can make wine, fruit juice processed, jelly and pickles etc.Fresh cashew nut pear juice also can be prevented and treated gastroenteropathy, chronic dysentery, has diuresis to eliminate oedema effect.Cashew resin contains cardiac stimulant alcohol, has insect-expelling function etc.
China's plantation cashew nut has more than 60 years history, is distributed in south, island, Hainan Province, west and south Coastal Sandy Soil and dry red soil area, and Yunnan Province is southern, low height above sea level mountain region, dry damp and hot river valley, the west and south.Produce at present and above often adopt that cashew nut is packed grows seedlings as planting material, for cultivating the nutrient bag size of bag seedling, be generally 10 * 25cm, 15 * 25cm, 15 * 30cm equal-specification, always cashew nut culture medium be mainly take single silty loam or table soil as main, at all cannot be sufficiently for the growth of cashew nut seedling provides required nutrient, easily loose while being dried due to silty loam again, during field planting bagged seedlings, cashew nut root system is easily loosening, is unfavorable for that the field planting of cashew nut bagged seedlings survives.
Because cashew nut culture medium for seedling is always mainly to take single sandy soil or table soil as main, this class soil fertility is poor, cannot provide sufficiently seedling growth required nutrient at all, be easy to cause the problem of cashew nut sapling culture medium nutrient owes lacks, thereby occur the problems such as cashew nut nursery stock wood Quality Down.On the other hand, because cashew nut seedling is mainly that main root is flourishing, other lateral roots, fibrous root are undeveloped, culture medium is loose or harden, all easily cause that planting survival rates is low, after field planting a little less than nursery stock growing way, strengthened management difficulty and investment, more on the one hand, through the soil of sterilization, the subterranean pest-insects such as root nematode, the termite phenomenon that causes harm can not occur once in a while yet.All handling costs that all increases cashew nut plant husbandry land for growing field crops period of immaturity above, have affected the economic benefit of cashew nut industry.So, need in a hurry an improved culture medium plasmogamy side to change current situation, for the development of cashew nut industry lays the first stone.
Summary of the invention
The object of the present invention is to provide a kind of cashew nut mixed culture matrix of growing seedlings, can in actual seedling raising process, substitute existing culture medium; Solve to a certain extent cashew nut bagged seedlings culture medium under-nutrition and the impact of subterranean pest-insect on cashew nut seedling quality, improved the quality of cashew nut bagged seedlings and the surviving rate of cashew nut bagged seedlings field planting.
For achieving the above object, the present invention adopts following technical scheme:
The mixed culture of a growing seedlings matrix, comprises component and volume parts: garden mould 2-4 part, river sand or sandy loam 1-3 part, coconut palm chaff or the sawdust 1-2 part of becoming thoroughly decomposed, decomposed cow dung 1-3 part, pond sludge 2-3 part, burn native 1-2 part and 5-6 part derosal or m-tetrachlorophthalodinitrile.
Preferably: the cashew nut mixed culture matrix of growing seedlings, comprises component and volume parts:
3 parts of garden moulds, 2 parts of river sands, 1 part of coconut palm chaff, 1 part of decomposed cow dung, 1 part, pond sludge, baked wheaten cake soil 1 part and 6 parts of derosal.
Another object of the present invention is to provide a kind of cashew nut preparation technology of mixed culture matrix that grows seedlings, comprise step:
1) get fish pond mud, the 2-3 days that is exposed to the sun, after drying, breaks into pieces as 0.5-1cm
3particle, be pond sludge, standby.
2) table soil is covered to leaf that cashew nut or other crops fall and the lower careless base of band soil of shovel and piles grave mound type and burn and macerate, make burn native, standby.
3) get by volume garden mould (meeting DB 440300/T 34-2008 afforestation planting soil quality standard) 2-4 part, river sand or sandy loam 1-3 part, coconut palm chaff 1-2 part, decomposed cow dung or the sawdust 1-3 part of becoming thoroughly decomposed, pond sludge 2-3 part, burn the mixing of native 1-2 part, fully stir and obtain preliminary mixed culture matrix, standby.
4) the preliminary mixed culture matrix being stirred is sprayed 1000-1500 doubly 50% derosal or m-tetrachlorophthalodinitrile with water, makes water content reach 60%, with film covering, after 2-3 days, makes the mixed culture matrix of growing seedlings.
The mixed culture matrix that the present invention makes is that to take garden mould, river sand, coconut palm chaff, decomposed cow dung, pond sludge, baked wheaten cake soil be raw material, is aided with derosal sterilization, its composition environmental protection, pollution-free, can improve disease-resistant (antibiotic) ability; After river sand in mixed culture matrix, coconut palm chaff can make to grow seedlings, soil does not harden; Pond sludge in mixed culture matrix, decomposed cow dung, baked wheaten cake soil all have fertilizer efficiency, and especially pond sludge is under flooding condition, by anaerobes, to be decomposed a kind of organic fertilizer that retting forms after mixing, and its dried particles more has water conservation, function of fertilizer retention.On the whole, this mixed culture medium mass-energy enough promotes the germination of seed, and improves rate of emergence, and after making to emerge, seedling is neat, and plays strong sprout effect, makes that blade is more dark green, root system is more flourishing.This mixed culture matrix production cost is low, the safety of growing seedlings, fast, good management, in operation, conveniently, method is easily understood, and is applicable to other tropical fruit trees simultaneously, has a extensive future.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
the grow seedlings preparation of mixed culture matrix of embodiment 1 cashew nut
The grow directly from seeds cultivation of bagged seedlings of the common cashew nut of take is example, and operating process of the present invention is described further:
(1) get the pond sludge in cultivation fish pond, be exposed to the sun 2 days, after drying, break into pieces as 0.5-1cm
3particle, be pond sludge, standby.
(2) at a field, the careless base of band soil, leaf, the table mound that dry are become to grave mound type, weeds, leaf are downward, and table soil is upper, staggered heap well, haystack below Tao Yige hole as making a fire mouth, point is got angry, then is covered with soil, allow it slowly burn and macerate 3-4 days, make and burn soil, standby.
(3) by volume 3 parts of garden moulds (meeting DB 440300/T 34-2008 afforestation planting soil quality standard), 2 parts of river sands, 1 part of coconut palm chaff, 1 part of decomposed cow dung, 1 part, pond sludge, burn 1 part, soil and be mixed to get preliminary mixed culture matrix, standby.
(4), while preparing preliminary mixed culture matrix, if stirred with scoop on the mixed culture medium quality little ,Ke cement flooring of using, when usage quantity is large, can use concrete mixer to stir.
(5) the preliminary mixed culture matrix being stirred is sprayed 1000 times of 50% derosal with water, makes water content reach 60%, with film covering, after 3 days, makes cashew nut culture medium for seedling.
the cultivation of embodiment 2 cashew nut seedling
(1) culture medium for seedling described in embodiment 1 is divided and installed in grow seedling nutritional bag; Pretreated cashew seed kind is entered to install in the grow seedling nutritional bag of culture medium for seedling, water.
(2) by producing the upper conventional measure of growing seedlings, carry out operational administrative again.
(3), in cashew seed seedling raising process, use culture medium for seedling percentage of germination described in embodiment 1 to improve 8-10% than original culture medium percentage of germination; Going out the garden time goes out garden time advance 15-20 days than original culture medium; Cashew nut bagged seedlings planting survival rates improves 10-20% than original culture medium planting survival rates.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.