CN1406464A - Sprout cultivation for planting rice with large distance and in dry field - Google Patents

Abstract

A technology for culturing the seedlings of paddy rice in dry field includes such steps as preparing seedling bed, isolating the nutritive soil from earth surface by perforated plastic film, immersing rice seeds in the aqueous solution of the agricultural chemical "Zikuling", mixing seeds with activator, coating the seeds, sowing, and applying composite multi-element fertilizer and leaf fertilizer at proper time. Its advantages are robust root system, making rype stage earlier by 5-7 days and high yield.

Description

A kind of method of raising seedling that is used for the rice shoot with rsgun and wide planting planting technology

Technical field:

The present invention relates to a kind of arviculture technology, particularly relate to a kind of method of raising seedling of rice shoot with rsgun and wide planting planting technology.

Background technology:

Paddy rice is one of China staple crops, adopt traditional kind method for planting for a long time always, per mu yield fluctuates always, restricted the development of Rice Production, recent two decades comes, introduced the rice shoot with rsgun and wide planting planting technology in China some areas, and applying along with the rice shoot with rsgun and wide planting technology, make the paddy rice per mu yield that raising by a relatively large margin arranged, fact proved, the rice shoot with rsgun and wide planting planting technology is to improve an otherwise effective technique of rice yield, the key of this technology is seedling, usually the method that adopts drought to educate is present, and the non-irrigated method of raising seedling that peasants adopted is the smooth good seedbed of elder generation, layer overlay nutrition soil then, and nutrition soil is carried out acid adjustment handle, the pH value that makes nutrition soil is 5, secondly is to the seedbed disinfection, sow seed rice at last, carry out seedling, the inventor feels that the specification requirement of this method of raising seedling is higher in long-term paddy rice plantation, peasants are difficult for grasping, the quality of seedlings that not only brings out is uneven, and wastes time and energy, particularly when the shovel seedling is transplanted, it is heavier to hinder root, make percentage establishment of seedling have only 80%, the more important thing is, also find in practice, adopt this kind method of raising seedling, the probability that rice shoot gets damping off is very high, makes peasants' all many regulation seedling beds when seedling, the many births seedling, be afraid of to influence field planting, for this reason, additionally increased input again, traced it to its cause, be because use the method seedling, the physiologically active and the immunity of rice shoot are lower, when running into temperature and humidity sudden change and infection process, have impelled the generation of rice shoot damping off.

Summary of the invention:

The invention provides a kind of method of raising seedling of rice shoot with rsgun and wide planting planting technology, technical problem to be solved by this invention is to change method of raising seedling, makes the many bodies of rice shoot root strong, and the enhance immunity ability prevents damping off, improves percentage establishment of seedling.The technical solution adopted in the present invention comprises regulation seedbed, seed rice processing and seedbed management three parts, 1. renovate the seedbed: layer overlay is pricked the plastic film that hole is arranged on smooth good seedbed, and on film, spread the nutrition soil that 30mm is thick, be mixed with bio-bacterial manure and an amount of fertilizer or humus soil, behind the water spray, the thickness of nutrition soil is about 20mm; 2. seed rice is handled: soaked seed rice 2～3 days after at first converting water, secondly dress seed with paddy rice tailored version activator with seedling type Zhikuling, once more with the agent of seedling treasured kind clothing to rice seed coating, at last with the planting seed handled well in the seedbed; 3. seedbed management: wholeheartedly the time, spray the multielement composite liquid fertilizer once to two leaves in rice shoot length, during to three leaves, spray " Fu Er 655 " paddy rice tailored version foliage fertilizer once, before the transplanting, spray multielement composite liquid fertilizer and " Fu Er 655 " foliage fertilizer again in rice shoot length.The beneficial effect one that adopts the said method seedling to produce is to have exempted existing seedling-cultivation technique need to the program that nutrition soil carries out acid adjustment, sterilization, and peasant Geng Yi is grasped; The 2nd, with dazzling plastic film the nutrition and the face of land are isolated, both kept circulation, prevented that again seedbed ponding from rotting root, soil compaction and accumulation of salt in the surface soil alkali have also been prevented simultaneously, and can improve 1～2 ℃ of ground temperature, make the nutrition soil loosening in the seedbed fertile, permeability is good, there is film to cover last, have down under the situation of film isolation, formed suitable light and heat condition, created good soil condition and ecotope, helped breeding strong seedling for seedling growth, it shows as individual healthy and strong, colony is luxuriant, the thick leaf of stem very, well developed root system, strong stress resistance, individual plant are tillered 3～4; The 3rd, the plastic film that plays buffer action has stoped the following bundle of rice shoot root system, has formed root system crisscross, that connection is in blocks, can roll in flakes when playing the seedling transplanting, does not hinder root, makes the full root of rice shoot be transplanted to the land for growing field crops; The 4th, the shoot transplanting equipment of educating with this method is behind the land for growing field crops, there is not dead seedling and the vacant phenomenon of tillering, need not fill the gaps with seedlings, can guarantee mu cave number and the field basic seedling amount that falls, Fa Xingen is fast, the survival rate height does not have seedling-slowing stage, and takes root early, leafing early, tiller early, well developed root system, period of seedling establishment is done sth. in advance 4～5 days than traditional seedling raising method, in 5～7 days ahead of time maturing stage, can maximally utilise effective breeding time, late-maturing rice high yield kind optimum period maturation in the assurance, bring into play its maximum yield potential, expert appraisal through Beijing Agricultural University thinks that this method of raising seedling can make paddy rice on the basis of promoting the dry-raising and sparse-planting yield-increasing technology, increases production 10%～20% again.

Specific embodiments:

(1) regulation seedbed: with 30m ²The seedbed is an example, with the seedbed renovate smooth after, spread and prick the plastic film that hole is arranged, be mixed with the nutrition soil of 500 gram bio-bacterial manures and an amount of fertilizer or humus soil at film upper berth one deck, thickness is 30mm, behind the water spray, thickness is about 20mm, the first-selected Fu Er bacterium of above-mentioned bio-bacterial manure god (Ministry of Agriculture's calendar year 2001 emphasis is promoted product), this product is to adopt the refining novel microbial fertilizer that forms of efficient actinomycetes, it transforms the effect of nitrogen phosphorus potassium and is better than other bacterium series products, induce generation gibberellin, the heteroauxin and the basic element of cell division, the secretion antibiotic, to common damping off, verticillium wilt, root rot etc. have the obvious suppression effect, and can effectively improve the soil, strengthen the cold-resistant of plant, drought resisting and lodging tolerance, be used for paddy drought seedling and can improve the root system vigor, the activating soil rhizospheric microorganism, make rice shoot under drought condition, can absorb more nutrient and moisture, not only help fostering and apply fertilizer, and help improving soil organic matter content, increase permeability, the structure of improving the soil, promote that the bed clay fertilizer is fertile soft, reach and cultivate strong seedling purpose; (2) seed rice is handled: the seedling type Zhikuling of selecting for use Jiangsu green jewel biochemical agent factory to produce earlier soaks seed, every bag 3 gram of this product, can convert 5 kilograms in water, soak 4 kilograms of seed rice, soak 2～3 days, can prevent the generation of bakanae disease, rice blast and leaf spot, downgrade rice shoot, promote to tiller birth rate, significantly increase individuality and tiller, increase new radical amount, play strong root, strong sprout, increase tiller, growth regulating effect such as resistant to lodging; The paddy rice tailored version activator of selecting for use Heilungkiang Fu Er group to sell is again dressed seed, 100 milliliters every bottle of these product, can convert 200 milliliters in water, dress seed 15 kilograms, its effect is can break seed dormancy phase, activated seed enzyme, improve physiological function of plants, strengthen germination vigor, strong sprout, short root, increase tiller, antifreeze, drought resisting, disease-resistant, short precocious, improve quality, thereby improve output; And then select for use Jilin eight to reach that seedling that farmingization Co., Ltd produces is precious plants the clothing agent and give rice seed coating, and every bottle 200 gram of these product, seed rice is 14 kilograms but dressing wets, can disposable control rice seedling blight, bacterial wilt, bakanae disease, hestening rooting, increase is tillered, full stand and healthy seedling reaches province's kind and volume increase; (3) seedbed management: after being seeded into the seed rice of handling well in the seedbed, treat that rice shoot length wholeheartedly the time, sprays the multielement composite liquid fertilizer once to two leaves,, convert the water double centner, spray 15m with this product 1000 grams ²The seedbed, this product is that a kind of multifunctional efficient that Chengde produces dashes and executes the type bio-fertilizer, contain necessary for plant growth nitrogen phosphorus potassium and various trace elements and multielement high-efficiency humic acid substance, and contain the high activity that can transform decompose nitrogen phosphorus potassium, the equal group of high-performance bio, can produce antibody to plant disease, can prevent rice seedling blight, bacterial leaf-blight, diseases such as rice blast, use at rice seedling and can effectively promote rice shoot to absorb soil nutrient and moisture, in time replenish the scarce nutrient of soil, promote photosynthate transport, improve photosynthesis, has the general saving of labor who dashes fertilising, save time, safety, efficiently, advantage easily, particularly suitable to paddy drought seedling, when rice shoot length during to three leaves, spray " Fu Er 655 " paddy rice tailored version foliage fertilizer once, these product are the development and production of Heilungkiang Fu Laerji Agricultural Research Institute, it is the same with above-mentioned composite liquid fertilizer that it sprays ratio, these product contain nutritive elements such as the necessary nitrogen phosphorus of rice growth potassium iron silicon zinc, with humic acid with regulating action, the degree that can strengthen that the soil is porous, reduce because of using the excessive burning seedling phenomenon that causes of chemical fertilizer, increase the stem number, improve tillering ability, strengthen photosynthesis, increase dry-matter accumulation, reduce damping off, the generation of rice blast and physiological disease, prevent rice shoot excessive growth, accelerate rice shoot and turn green, strengthen cold-resistant, drought resisting and lodging tolerance, last, in shoot transplanting equipment first three day, spray multielement composite liquid fertilizer and " Fu Er 655 " paddy rice tailored version foliage fertilizer again.

Claims (1)

1, a kind of method of raising seedling that is used for the rice shoot with rsgun and wide planting planting technology, comprise regulation seedbed, seed rice processing and seedbed management three parts, it is characterized in that 1. renovating the seedbed: layer overlay is pricked the plastic film that hole is arranged on smooth good seedbed, and on film, spread the nutrition soil that 30mm is thick, be mixed with bio-bacterial manure and an amount of fertilizer or humus soil, behind the water spray, the thickness of nutrition soil is about 20mm; 2. seed rice is handled: soaked seed rice 2～3 days after at first converting water, secondly dress seed with paddy rice tailored version activator with seedling type Zhikuling, once more with the agent of seedling treasured kind clothing to rice seed coating, at last with the planting seed handled well in the seedbed; 3. seedbed management: in rice shoot length to two leaves wholeheartedly the time, spray the multielement composite liquid fertilizer once, during to three leaves, spray " Fu Er 655 " paddy rice tailored version foliage fertilizer once in rice shoot length, transplant first three day, spray multielement composite liquid fertilizer and " Fu Er 655 " foliage fertilizer again.