CN104496591A - Selenium-enriched liquid fertilizer used for producing selenium-enriched persimmon, and application method thereof - Google Patents

Abstract

The invention discloses a selenium-enriched liquid fertilizer used for producing selenium-enriched persimmon. The selenium-enriched liquid fertilizer is prepared from following raw materials, by mass, 1 part of sodium selenite, 0.4 to 0.5 part of potassium dihydrogen phosphate, 1 to 1.2 parts of nitric acid rare earth for agricultural use, and 100000 parts of water. An application method of the selenium-enriched liquid fertilizer comprises following steps: 1 part of sodium selenite, 0.4 to 0.5 part of potassium dihydrogen phosphate, and 1 to 1.2 parts of nitric acid rare earth for agricultural use are added into 100000 parts of water with stirring so as to prepare the selenium-enriched liquid fertilizer; after persimmon physiological fruit drop period, the selenium-enriched liquid fertilizer is sprayed to the whole trees every other 18 to 20 days; if it rains in 4 hours, supplementary spraying is performed; and the last time of spraying is carried out in the last ten-day period of August. The raw materials are easily available; application of the selenium-enriched liquid fertilizer is convenient and simple; cost is relatively low; effects are excellent; application of the selenium-enriched liquid fertilizer is capable of increasing total selenium and organic selenium content of persimmon; and nutritional value of persimmon is increased greatly by conversing inorganic selenium, which is unsafe for human body, into organic selenium.

Description

For the production of liquid fertilizer of high selenium and the using method of rich selenium persimmon

Technical field

The present invention relates to the method for producing rich selenium persimmon, relate in particular to a kind of liquid fertilizer of high selenium and the using method thereof that improve persimmon selenium content.

Background technology

China cultivates persimmon country the earliest in the world, then has in a section during the early years of Han Dynasty " jujube chestnut persimmon is cotton " in " Book of Rites ", and persimmon fruit is that ruler is at that time used for for offering a sacrifice to gods or ancestors, the record of one of the precious fruit of reception guests.In China, except (autonomous region) is economized in Heilungkiang, Jilin, the Inner Mongol, Ningxia, Qinghai, Tibet etc., other various places all have persimmon to cultivate, and kind reaches more than 800, and area occupies the 9th in each planting fruit-trees.The nutritive value of persimmon is very high.Sugary 15%-20% in ripe persimmon, protein, fat, and element and the multivitamin such as robust fibre, carotene, calcium, phosphorus, iron, especially vitamin c is higher than general fruit.The traditional Chinese medical science thinks that lung promotes the production of body fluid, clearing away heat to stop bleeding, intestines invigorating the spleen, step-down of relieving the effect of alcohol.There are clearing heat and moistening lung, promote the production of body fluid to quench thirst, effect of invigorating the spleen for dissipating phlegm; Be used for the treatment of cough due to lung-heat, thirsty, vomiting, diarrhea.The resistance to lean drought-enduring moisture-proof again of persimmon tree, north and south is suitable for, and field all can be planted, stable high yield, and the economical life can reach a century, also can well-grown in the mountain region should not planting grain, cooks wine vinegar can save a large amount of grain with it.Our people has the tradition of eating persimmon and converted products thereof, the laudatory title that persimmon has " woody grain, iron stalk crops ".

Selenium is the necessary trace element of human body, has very important physiological function, closely related with the health of the mankind.Selenium can prevention and prohibition tumour, anti-ageing, maintain the normal function of cardiovascular systems, the appearance of prevention of arterial sclerosis and coronary heart disease, also has certain prophylactic effect to hepatitis, myopia etc.Scarce selenium can cause Keshan disease and large bone knot disease, also can bring out cataract, hepatopathy and Pancreas Disease etc.But total selenium content of persimmon is only at 1-2mg/kg in the market, and organic selenium content is at 0.1 below mg/kg.Improved the selenium content of persimmon by cultivating method, especially improve organic selenium content, can promote that human body is when edible rich selenium persimmon and wine, vinegar product, increase the absorption to selenium, be the behave of significant economic benefit and social benefit simultaneously.

Summary of the invention

The present invention is directed to the deficiencies in the prior art, a kind of liquid fertilizer of high selenium for the production of rich selenium persimmon and using method are provided, after liquid fertilizer of high selenium process persimmon of the present invention, total selenium and the organic selenium content of persimmon can be improved significantly in pole, improve the sugar degree of persimmon simultaneously.

The present invention comprises the raw material composition of following masses part for the production of the liquid fertilizer of high selenium of rich selenium persimmon, Sodium Selenite 1, potassium primary phosphate 0.4-0.5, arsenic determination 1-1.2, water 100000.

The using method of liquid fertilizer of high selenium of the present invention is:

(1) in stirring, add 1 gram of Sodium Selenite, 0.4-0.5 gram potassium primary phosphate, 1-1.2 gram arsenic determination by each hundred public water, prepare liquid fertilizer of high selenium;

(2) from after persimmon physiological fruit drop, spray once every 18-20 days whole trees the liquid fertilizer of high selenium (1) prepared, spray when meeting rain in latter 4 hours, fill spray after needing rain, late August is for spray period for the last time.

In the raw material of liquid fertilizer of high selenium of the present invention, Sodium Selenite is safer one production inorganic selenium, in the production of rich selenium fruit, generally using Sodium Selenite as inorganic selenium source.Potassium primary phosphate can improve the soluble solid content of fruit, generally plays the effect of quick-acting fertilizer mainly through foliage-spray application of phosphoric acid potassium dihydrogen, improves fruit quality, improves trunk infusion.Arsenic determination, can improve the resistance against diseases of tree body, and promotes that plant materials is to the absorption of some trace element.

The efficacy test of liquid fertilizer of high selenium of the present invention

1. test method

1.1 tests are established liquid fertilizer of high selenium of the present invention (process) and spray clear water (contrast 1), are sprayed potassium dihydrogen phosphate (contrast 2) two contrasts;

1.2 treatment formulations: add 1 gram of Sodium Selenite, 0.5 gram of potassium primary phosphate, 1 gram of arsenic determination in each hundred public water; Contrast 2 formula: add 200 grams of potassium primary phosphates in each hundred kg of water;

1.3 test periods, place: 2012 in San Jia village village, Long Ju town, Yuncheng Yanhu District, persimmon main producing region, Shanxi, select 90 strain 8-10 raw, being close to consistent tangerine honey persimmon persimmon dry week is examination material, random point 3 groups, every 30 strains are one group, and carry out mark with red, green, yellow paint respectively, after persimmon physiological fruit drop, (on May about 20), beginning sprayed 1 liquid fertilizer of high selenium every 20 days whole trees, spray after needing rain when meeting rain in latter 4 hours and fill spray, amount to and spray 4 times;

1.4 experiment investigation contents: persimmon whole description, total selenium, organoselenium, soluble solid, sugar degree, mean fruit weight.

2. test-results

2.1 persimmon whole description: September 20 gathers, set body situation when gathering and describe:

Process of the present invention: tree body leaf color is blackish green, persimmon fruit color is yellow red in dark red, and coloring degree is very good, and ripening degree is high, and persimmon obviously increases.

Contrast 1: tree body blade 30%-40% blade is rubescent, and persimmon fruit color is yellow, and coloring degree is bad, and ripening degree is not high, and persimmon is less;

Contrast 2: tree body blade 5% blade is rubescent, persimmon fruit color reddish yellow, coloring degree is good, and ripening degree is high.

2.2 process of the present invention and the test-results contrasted are in table 1.

Table 1 process of the present invention and the test-results contrasted

Note: different capitalization represents there is statistical significance in p < 0.01 level.

Total selenium and organoselenium measure: send Shanxi Biology Inst. to measure in October, 2012.

Soluble solid and saccharinity determining: measure in Agricultural University Of Shanxi's experiment building in October, 2012.

Data: utilize SAS9.0 statistical analysis software to carry out variance analysis.

From table 1, the liquid fertilizer of high selenium for the production of rich selenium persimmon provided by the invention, effectively promotes that persimmon fruit forms total selenium, organoselenium, soluble solid and sugar degree, improves single fruit weight simultaneously.Test-results shows that potassium primary phosphate, arsenic determination significantly can promote that persimmon sets body to the absorption of inorganic selenium and conversion.

Statistical study shows, liquid fertilizer of high selenium process of the present invention comparatively two contrasts, all have pole significant difference (p < 0.01) in the quantitative target (total selenium, organoselenium, soluble solid, mean fruit weight and sugar degree) of all investigations; After process of the present invention with contrast 1 and compare, total selenium improves 209 times, and because too low the doing of contrast organic selenium content does not detect process, after process of the present invention, organic selenium content but reaches 0.0480 mg/kg.Soluble solid improves 131%, and sugar degree can improve 24.4%, and mean fruit weight improves 78.6%.With after liquid fertilizer of high selenium process of the present invention with contrast 2 and compare, total selenium improves 105 times, and organoselenium improves 480 times, and soluble solid improves 76.2%, and sugar degree can improve 21.5%, and mean fruit weight improves 49.4%.

Compared with prior art, possess following outstanding substantive distinguishing features and significant progress: (1) the present invention is for the production of the liquid fertilizer of high selenium of rich selenium persimmon, and component is easy to get, and liquid fertilizer is easily joined, use simple, cost is lower, and effect is extremely remarkable in the present invention.(2) the rich selenium persimmon fruit adopting liquid fertilizer of high selenium of the present invention to produce, will be converted into organoselenium to the unsafe inorganic selenium of human body by tree body, significantly improve the nutritive value of persimmon.People, when using rich selenium persimmon, namely can absorb the nutrition of persimmon, can absorb again the organoselenium favourable to human body.(3) the rich selenium persimmon fruit adopting the present invention to produce, when not only eating raw, selenium content is high, and during with the rich selenium persimmon processing product such as persimmon wine and vinegar, the organoselenium of high-content can be made to be transformed in persimmon converted products simultaneously, thus increase the added value of persimmon processing further.

Embodiment

Below in conjunction with embodiment, the present invention is further illustrated.

embodiment 1

2013 in San Jia village village, Long Ju town, Yanhu District, Yuncheng, select the persimmon tree 60 mu that 8-10 is raw, May after persimmon physiological fruit drop 21 started, by adding 1 gram of Sodium Selenite, 0.4 gram of potassium primary phosphate, 1 gram of arsenic determination in each hundred public water, stir and be prepared into liquid fertilizer of high selenium, spray to whole tree.Thereafter again sprayed once every 20 days, amount to and spray 4 times.During September 20, the persimmon tree body leaf color of test site is blackish green, and persimmon fruit color is yellow red in dark red, and coloring degree is very good, and ripening degree is high, and persimmon obviously increases.And the persimmon tree body blade 30%-40% blade that adjacent plot does not spray liquid fertilizer of high selenium is rubescent, persimmon fruit color is yellow, and coloring degree is bad, and ripening degree is not high, and persimmon is less.Results persimmon fruit after testing, total selenium 0.21 mg/kg, organoselenium 0.047mg/kg, soluble solid 37.5%, sugar degree 20.7%, mean fruit weight 119.8 g.

embodiment 2

Prepare the liquid fertilizer of high selenium of 1 ton of the present invention for the production of rich selenium persimmon.In 1 ton of water, add 10 grams of Sodium Selenites, 5 grams of potassium primary phosphates, 12 grams of arsenic determinations, stir.

embodiment 3

Prepare the liquid fertilizer of high selenium of 1 ton of the present invention for the production of rich selenium persimmon.In 1 ton of water, add 10 grams of Sodium Selenites, 4.5 grams of potassium primary phosphates, 11 grams of arsenic determinations, stir.

Claims (1)

1. for the production of the liquid fertilizer of high selenium of rich selenium persimmon, it is characterized in that, liquid fertilizer of high selenium comprises the raw material composition of following masses part, Sodium Selenite 1, potassium primary phosphate 0.4-0.5, arsenic determination 1-1.2, water 100000;

The using method of liquid fertilizer of high selenium is:

(1) in 100000 water, add 1 part of Sodium Selenite, 0.4-0.5 part potassium primary phosphate and 1-1.2 part arsenic determination in stirring, namely prepare liquid fertilizer of high selenium;

(2) from after persimmon physiological fruit drop, spray once every 18-20 days whole trees the liquid fertilizer of high selenium (1) prepared, spray when meeting rain in latter 4 hours, fill spray after needing rain, late August is for spray period for the last time.