CN102167640A - Special soil for vessel-cultivated paddy rice and preparation method thereof - Google Patents

Abstract

The invention provides special soil for vessel-cultivated paddy rice, wherein the weight percentage content of nitrogen, phosphorus, potassium and organic matter is respectively to be 0.12%-0.16%, 0.1%-0.16%, 0.80%-1.20% and 1.2%-2.2%. The special soil for the vessel-cultivated paddy rice is used for cultivating the paddy rice, so that the nutritional requirement for the growth of the paddy rice at the initial stage of growing of the paddy rice can be met, and the whole life cycle of the paddy rice can be maintained on the premise of no fertilizer loss.

Description

Special-purpose soil of a kind of vessel training paddy rice and preparation method thereof

Technical field

The invention belongs to plant planting field, relate in particular to special-purpose soil of a kind of vessel training paddy rice and preparation method thereof.

Background technology

In the plant growing process, need be according to applying fertilizer its different vegetative period.Paddy rice also is so, and the fertilizer that initial planting applies constantly consumes along with the growth of paddy rice, in order to keep its better growth, need repeatedly impose fertilizer.

And in the cultivating process of paddy rice showpiece, what often use is the earth culture of small area or directly vessel cultivation.Cultivate for vessel because used vessel often area is smaller, in cultivating process, if apply fertilizer, can strengthen operation easier.And if disposablely apply too much fertilizer, then will hinder seedling because of producing too high the causing of nutrient in early stage, thus the later stage then because of the not enough normal fertility that influences paddy rice of nutrient, particularly be difficult to reach the target call of vigorous growth.Therefore, how guaranteeing the normal growth of vessel cultivation paddy rice and reach target call, is a technical barrier.

Summary of the invention

Technical problem to be solved by this invention is to provide special-purpose soil of a kind of vessel training paddy rice and preparation method thereof.

The present invention at first provides a kind of vessel training paddy rice special-purpose soil, its nitrogen (N), phosphorus (P ₂O ₅), potassium (K ₂O) and organic weight percent content be respectively 0.12-0.16%, 0.1-0.16%, 0.80-1.20% and 1.2-2.2%; And it can satisfy the whole breeding cycle of paddy rice, promptly need not to append separately any nutrient between growth period duration of rice.

The present invention also provides the method for preparing the special-purpose soil of above-mentioned vessel training paddy rice, comprises the steps:

Paddy soils is dried, pulverized;

Test its nitrogen, phosphorus, potassium and organic content;

Add fertilizer and slow-release fertilizer, adjust nitrogen, phosphorus, potassium and organic content and be respectively 0.12-0.16%, 0.1-0.16%, 0.80-1.20% and 1.2-2.2%.

Wherein used fertilizer is produced available from: Jiansu Tianniang Agriculture Technology Co., Ltd., and it is 〉=6% that the product nutrient is labeled as nitrogen, phosphorus, potassium total content, and organic content 〉=30%, analytical results show, the nitrogen in the qualified product (N), phosphorus (P ₂O ₅), potassium (K ₂O) content be respectively 2.5,1.5-2.0,1.5-2.0, organic content is 30-35%; Slow-release fertilizer is that pure N content is 32% by the release-controlled coated fertilizer of Academy of Agricultural Sciences, Shanghai City invention (patent of invention number: ZL 200510026172.7).

Innovative point of the present invention is:

The time of infertility of paddy rice is mostly between 110-150 days.Need before the paddy rice plantation, apply the base manure of some amount when the land for growing field crops produces generally speaking, impose fertilizer between breeding time again 2-4 time based on nitrogen, specifically different because of the situations such as base manure amount of application before used rice varieties, original soil basic fertility, the plantation, with the normal fertility that guarantees paddy rice and obtain target output.

Use the special-purpose soil of vessel training paddy rice of the present invention to carry out rice cropping, especially using the patent No. is that vessel in the patent document in 201020247694.6 carry out rice cropping, not only can reach the nutritional needs of paddy growth at the paddy rice beginning period of growth, and do not have at fertilizer under the prerequisite of loss, can keep the whole life of paddy rice, need not during this time to topdress separately, reduced the workload in the rice cultivating process, improved the controllability that guarantees the paddy rice normal growth and reach target output, be particularly suitable for the cultivation of paddy rice showpiece, can guarantee the homogeneity of showpiece, the bandwagon effect that improves showpiece is played guaranteeing role.

Embodiment

Foundation soil is prepared: about 120% the arable layer soil (in the 20cm of top layer) that takes actual amount in rice terrace, shine to water content when the 30-60 %, with mechanical disintegration, sieve, the method of adopting the GB regulation after the sampling is tested the basic content of its nitrogen, phosphorus, potassium, organic matter, is converted to dry weight percentage separately.

Special-purpose native making method: at the known fertilizer of producing by Jiansu Tianniang Agriculture Technology Co., Ltd. that above-mentioned Tian Tuzhong is added, its addition is different because of the basic content of soil self nitrogen, phosphorus, potassium, organic matter, then add adopting patent of invention number be the release-controlled coated fertilizer (coated urea that ZL 200510026172.7 methods are prepared, its pure N content is 32%), its addition is different because of the nitrogen basis content of soil self equally, and after fully promptly can be used as the special-purpose soil of vessel training paddy rice behind the mixing.

Embodiment 1

Soil is prepared: in the rice terrace of row test base, the village, Academy of Agricultural Sciences, Shanghai City, take about 3000 kg of paddy field plow layer soil (in the 20cm of top layer) that can be used for 1000 vessel trainings, then soil is carried out airing, shine to water content about 55%, the actual weight after reaching water content and requiring is about 2450 kg; The clay mill (BJST-2200) that adopts Anhui Province Bai Hu machine works to produce is pulverized water content soil up to standard, and sieve sand with self-control and sieve with wire netting (aperture is 3 orders), behind this process and transportation equal loss, the native actual weight that can be used for the vessel training is about 2300 kg; Soil after up to standard leaves in the good glass booth of ventilation condition, evenly gets 2 kg soil samples in soil up to standard, and sample is delivered to quality examination center, Academy of Agricultural Sciences, Shanghai City, entrusts nitrogen, phosphorus, potassium, organic content in this center analysis soil; Detected result shows that the nitrogen of above-mentioned soil, phosphorus, potassium, organic content are respectively full nitrogen 0.08%, total phosphorus 0.13%, full potassium 1.02%, organic 0.76%.

Special-purpose soil preparation: at above-mentioned 2300 kg Tian Tuzhong, add release-controlled coated fertile 30g (ratio is 0.03%) respectively fertilizer 34.5kg (ratio is 1.5%) that Jiansu Tianniang Agriculture Technology Co., Ltd. produces, patent of invention number for method (pure N content the is 32%) preparation of embodiment 1 among the ZL 200510026172.7, and after fully behind the mixing promptly directly as the special-purpose soil of vessel training paddy rice.The special-purpose native nitrogen of vessel training paddy rice, phosphorus, potassium, the organic theoretical content prepared are respectively 0.126%, 0.157%, 1.05%, 1.29%, through adopting above-mentioned same procedure sampling to detect, nitrogen, phosphorus, potassium, organic content in its special-purpose soil are respectively 0.121%, 0.152%, 0.99%, 1.31%, and both results are identical substantially.

Rice cropping: practice result shows, in the vessel in patent application 201020247694.6, use above-mentioned special-purpose earth culture to educate paddy rice, when in having the facility of anti-precipitation affects, cultivating, whole Honda does not apply under the fertilizer prerequisite breeding time, and its per unit area yield has reached the higher level of 590-640 kg/mu; Under the outdoor cultivation prerequisite, because of being subjected to precipitation affects, during because of the nitrogen of draining loss is equivalent to every mu of about 1.5 kg, by the Sheng phase of tillering mend execute the urea of 3 kg/mus after, can guarantee the normal growth of paddy rice, and can obtain and the indoor output that remains basically stable.

The irrigation water that uses in the rice cropping is taken from the pond, and the nitrogen in the water, phosphorus, potassium content are respectively 2.0-2.5 mg/L, 0.09-0.11 mg/L, 3.2-4.0 mg/L.

Not mentioned part need not other detailed description for well known to a person skilled in the art technology at this among the present invention.

Claims (3)

1. the special-purpose soil of vessel training paddy rice is characterized in that its nitrogen, phosphorus, potassium and organic weight percent content are respectively 0.12-0.16%, 0.1-0.16%, 0.80-1.20% and 1.2-2.2%.

2. the special-purpose soil of vessel training paddy rice according to claim 1 is characterized in that it can satisfy the whole breeding cycle of paddy rice.

3. a method for preparing claim 1 or the special-purpose soil of 2 described vessel training paddy rice is characterized in that comprising the steps:

Paddy soils is dried, pulverized;

Test its nitrogen, phosphorus, potassium and organic content;

Add fertilizer and slow-release fertilizer, adjust nitrogen, phosphorus, potassium and organic content and be respectively 0.12-0.16%, 0.1-0.16%, 0.80-1.20% and 1.2-2.2%.