Study on red rice potassium
Abstract
Application of potassium fertilizer rice, grain yield increased with increasing application rate increased, but increase the effectiveness of potassium per kg, then with increasing fertilizer application rate decreased and K beyond a certain dosage range, but yields have decreased.
In this experiment, Ltd Guizhou partners supply of organic agriculture, "red rice" for the material to compare the different varieties of potash fertilizer yield. To further proved potash fertilizer on rice and its economic and effective application method of red rice cultivation techniques measure the social benefits of play to the best red rice, the rice varieties (lines) to provide validation or identify and promote scientific basis, because of the variety bar high nitrogen intolerance, easy to lodging, particularly for the test. Experimental results show that the same cultivation conditions and management, potash fertilizer to 20kg / maximum yield per mu, better agronomic traits, in central Guizhou and other natural conditions of climate and soil has good adaptability, growth and strong growth potential of the species , mature early, shattering good, renewable power, to consider the production of application areas in Guizhou.
Keywords: red rice varieties, the amount of potash fertilizer, yield
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