Method for cyclically repairing cadmium-contaminated rice field and planting rice
A technology for cadmium pollution and paddy fields, applied in botany equipment and methods, rice cultivation, soil preparation methods, etc.
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[0088] Example 1:
[0089] Test site: Tianhua Village, Qingshanpu Town, Changsha County, Hunan Province.
[0090] Test varieties: early rice-Xiangzao 143, late rice-Jinyou 207.
[0091] Test plan: The test has 2 treatments, each of which is divided into 6 areas on the same plot. Each treatment is repeated 3 times at random, and each treatment is about 1 mu. The experiment uses experimental methods to compare with traditional planting methods.
[0092] Experimental treatment and test methods:
[0093] Experimental group: Treatment 1, applying this application to a method for cyclically repairing cadmium-contaminated rice fields and planting rice;
[0094] Comparison group: Treatment two, traditional planting method;
[0095] For the experimental group, handle one as follows:
[0096] 1. Preliminary preparation for the test
[0097] 1. Planting base selection: The base selects farmland with heavy metal cadmium content below 0.5mg / kg. Rice is grown all year round. The terrain is flat. The far...
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