JPS5914726A - Cultivation of asparagus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for cultivating asparagus by applying methionine.

In recent years, with the westernization of dietary habits, the demand for asparagus for raw consumption or for processing has increased significantly. Among them, the demand for green asparagus for raw consumption is showing a remarkable increasing trend. Traditionally, asparagus has been produced in cool regions such as Hokkaido and Nagano.
In response to the recent increase in demand, asparagus production has begun in the warm southwest region with the aim of shipping in February or March.

However, since the start of asparagus budding is severely restricted by temperature conditions, it has been difficult to obtain a large yield from February to August.

It has been well known that attempts have been made to cultivate asparagus in mulch in greenhouses and to apply ethylene generators to promote the germination of asparagus. However, with simple mulch cultivation, it is easily affected by weather conditions and it is difficult to stably obtain a large harvest around February and August.Also, with the method of using an ethylene generator, ethylene production from the ethylene generator occurs in a short period of time. After applying the ethylene generator to broken soil, mulching must be carried out within an extremely short working time, and this method cannot necessarily be said to be sufficient for agricultural work.

The inventors of the present invention continued to conduct intensive studies with the aim of stably growing asparagus (increasing yield) from the above-mentioned viewpoints, and discovered that these objectives could be effectively achieved by applying methionine. Completed the invention.

That is, the present invention is a method for cultivating asparagus, which comprises applying methionine to a medium in which asparagus is being cultivated.

The methionine used in the method of the present invention is one that is easily produced industrially by a known method. It is clear that methionine is not toxic to humans and livestock, as methionine is widely used as a feed additive and is an essential amino acid.

When applying such methionine to the medium (soil) in which asparagus is cultivated, it may be applied alone or mixed with an appropriate carrier as necessary, or it may be applied to the soil. It is also possible to apply it by incorporating it into a fertilizer composition, and there are no particular restrictions on the form of application. When incorporating methionine into a fertilizer composition, if the fertilizer composition is in powder form, methionine can be easily incorporated by simply mixing the methionine into the fertilizer composition as it is.

Furthermore, when granulating the fertilizer composition, methionine is advantageous because it acts as a granulation accelerator.

0 per methio a applied to asparagus cultivation medium
．． It is used in the range of 5-50 to 50 V or less. At this time, if the amount of methionine applied is a small amount below this range, the effect will be so small that it will be difficult to put it into practical use. Furthermore, if methionine is applied in an amount exceeding this range, the yield commensurate with the amount of methionine applied cannot be obtained, and it cannot be said to be economically advantageous. Methionine is generally applied 2 weeks to 2 months before asparagus sprouts, but is not necessarily limited to this.

As described above, according to the method of the present invention, compared to the conventional asparagus cultivation method, the yield is 96 to 40% by weight.
It was also recognized that this is an extremely excellent method for cultivating asparagus, as it can be easily incorporated into a conventional fertilization system.

The present invention will be described in more detail below with reference to Examples, but the present invention is not limited to these Examples.

Example 1 Asparagus (variety Mary Washington 500W 5th grade)
Add methionine to cultivation soil at 0.64/10a, IXr/
10a, io noodles/IQa, 45Kt/10a were applied (January 12th, 1933), and the yield was investigated from February 12th to May 2nd. Methionine treatment: 9 t for 1 section
r? 2 It was boiled.
Table 1 Effect of increasing asparagus yield by applying methionine In this test, as shown in Table 1, methionine was 0.64/
10 a, 5% yield increase with 1.0 Kf/10 a application, 40% with 10 rle/l Q a, 451
The yield increased by 80% in k/l Qa, and the effect of methionine application was recognized.

Example 2 Asparagus (variety Mary Washington 500W 6th grade)
A fertilizer containing 1.5 parts by weight of methionine and a control fertilizer were applied to the cultivation soil on the 12th and 26th of 1981.N
, P2O5, K2゜(6) is 'IKe/10a, methionine is O99h/10
a> The harvest amount was investigated from January 20th to August 19th. It was a double system of 31.5- in 1 ward.

In this test, as shown in Table 2, methionine was
A 16% increase in yield was observed in the plots where the fertilizer containing part by weight was applied.

Claims (1)

[Scope of Claims] 1) A method for cultivating asparagus, which comprises applying methionine to a medium in which asparagus is cultivated. 2) Application of methionine, amount of 0.5 Kt/10
a (medium) to 50/10a (medium); 8) The method according to claim 1, wherein methionine is included in the fertilizer composition and is applied infrequently. .