Seasonal drought relieving and high yield ensuring compound agent for double cropping rice and application method thereof
A technology of seasonal drought, Baofeng compound agent, applied in the direction of fertilization method, application, fertilization device, etc., can solve the problem of not making full use of crop adaptability to actively resist drought and other problems, achieve control of crop nodal growth, and strengthen root absorption. Ability, the effect of blade erection
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Embodiment 1
[0048] Embodiment 1 greenhouse test effect
[0049] A. Experimental Design and Methods
[0050] The experiment was carried out in the greenhouse of the Institute of Soil, Fertilizer, Resources and Environment, Jiangxi Academy of Agricultural Sciences in 2013 and 2014. The rice was planted in pots, and each pot was filled with 20kg of soil. The pot soil was taken from the paddy field in Tujia Village, Bayi Township, Nanchang County. The soil The pH value is 5.72, the organic matter is 2.35%, the available nitrogen is 106mg / kg, the available phosphorus is 18.6mg / kg, and the available potassium is 81mg / kg. The early rice is made of Ganxin 203 (Jiangxi Modern Seed Industry Co., Ltd.), and it is sown on March 22. Transplant on April 25th, transplant 3 bushes in every pot, and 2 grain seedlings in every bush, spray the drought-resisting agent of the present invention on June 20 and set it as the compound agent group, and the control group only sprays clear water and is set as the cl...
Embodiment 2
[0060] Embodiment 2 field application test effect
[0061] A Experiment design and method
[0062] Based on the greenhouse pot test results in 2013 and 2014, the early and late rice in 2015 selected the drought-resistant agent formula of the present invention to apply in the field respectively, and compared with the control (spraying water). The test was carried out at Ji'an Agricultural Science Institute. The early rice variety Ganxin 203 (Jiangxi Modern Seed Industry Co., Ltd.) and the late rice variety Rongyou 225 (Jiangxi Jinshan Seed Industry Co., Ltd.) were tested. The early rice was transplanted on April 25, with a row spacing of 15.6×20cm, and the late rice was transplanted on July 28, with a row spacing of 20×20cm. The early rice was transplanted at the full heading stage on June 26, and the late rice was applied at the tillering stage on August 20. And the spraying of clear water (respectively set as compound agent group, clear water group), there is no wind or rain...
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