Cultivation mode for combining paddy rice-banana crop rotation with banana fusarium wilt prevention and control by means of adding straw
A technology for banana fusarium wilt and rice stalk, applied in the field of agricultural cultivation, can solve the problems of unsatisfactory effect and time-consuming on the incidence of banana wilt, and achieve the effect of increasing the number of bacteria, reducing the incidence, and preventing environmental damage
Active Publication Date: 2015-05-20
HAINAN UNIV +2
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Problems solved by technology
[0004] The purpose of the present invention is to provide a rice-banana rotation combined with adding rice stalks to prevent and control the cultivation method of banana wilt, so as to solve the unsatisfactory and time-consuming effect of rice-banana rotation in reducing the incidence of banana wilt in the banana garden. and other defects
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Embodiment 1
[0028] (1) Treatment of rice straw
[0029] Collect farmland rice stalks, dry them naturally, and crush until the length of the rice stalks is ≤0.2cm.
[0030] (2) Changes of microorganisms in soil after planting rice in high-incidence banana orchard soil
[0031] The experiments in the rice planting area are as follows: 1. CK, diseased soil in banana orchard with high incidence of banana fusarium wilt; 2. W, flooding treatment of diseased soil in banana orchard with high incidence of banana fusarium wilt; Flooding treatment of rice planted in soil; 4. WRS, flooding treatment of rice planted with organic material rice straw (accounting for 1% of soil quality) in banana orchard diseased soil with high incidence of banana wilt. Each treatment was repeated 3 times, a total of 12 plots. The area of each plot is 1.4m×1.8m, and there is one hole for every two seedlings. The soil pH value and Eh value were measured at 0, 30, 60, and 90 days after planting, and the number of Fusa...
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The invention discloses a cultivation mode for combining paddy rice-banana crop rotation and banana fusarium wilt prevention and control by means of adding straw. The cultivation mode includes steps of firstly, collecting and drying the straw, and smashing the straw until the length of the straw is shorter than or equal to 0.2cm so as to obtain straw powder; secondly, adding the straw powder into soil, and plowing the soil to enable the straw to be sufficiently mixed with the soil; thirdly, irrigating the soil until the height of a water surface is suitable for paddy rice planting, transplanting rice seedlings, keeping the soil in a flooding state when paddy rice is planted, draining water 7-10 days before the paddy rice is harvested, drying paddy fields after the paddy rice is harvested, plowing the soil and planting bananas. The straw powder added into the soil accounts for 1-3% of the mass of the soil. The cultivation mode has the advantages that a pH (potential of hydrogen) value of the soil can be increased after the paddy rice is planted, so that oxidation reduction potential of the soil can be reduced within a short time, the quantity of fusarium oxysporum in the soil can be obviously reduced, microfloras of the soil can be improved, and incidence of banana fusarium wilt in a next season can be reduced; banana fusarium wilt prevention and control effects can be improved as compared with single paddy rice and banana crop rotation modes, and growth of the bananas can be promoted.
Description
technical field [0001] The invention relates to the technical field of agricultural cultivation, in particular to a cultivation method of rice-banana rotation combined with adding rice stalks to prevent and control banana wilt. Background technique [0002] In recent years, banana fusarium wilt (also known as banana yellow leaf disease, Panama wilt) caused by Fusarium oxysporum f.sp.cubense (FOC) has spread rapidly in southern my country, seriously hindering The healthy development of the modern banana industry has made the production of bananas face severe challenges. The disease has a wide range of transmission routes, and can be transmitted through water, soil and other media. Some banana orchards in my country have been destroyed. Due to the limitation of climatic conditions, the area of arable land that can be planted with bananas in my country is small. If no effective control measures are taken, the banana industry in my country will face a severe situation. [000...
Claims
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IPC IPC(8): A01G16/00A01G17/00A01G22/22
Inventor 阮云泽辛侃李荣沈其荣吴建川黄维富
Owner HAINAN UNIV