[Nutritical physiological character of Ongjin reed, and method of manure dressing]. [Korean]
1989
Jong Bong Hak
In the soil of pH 6-7, nitrogen density 20 ppm, phosphorus and potassium 60-100 ppm and salt 0.05%, the metabolism of Ongjin reed is optimum, and the metabolism quantity is high, and the quality of fibre is good. By period of the growth, the direction of metabolism is changed, and nutrition is absorbed according to it. In reed plant, the content rate of N, P, K, Ca, Mg, Si maintains as follows; 1:0.19; 1.29:0.20; 0.24; 1.14. It was effective to apply N 200 kg and P, K, 100-150 kg, dressing times N:3 times and P, K: one time.
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书目信息
其它主题
Korea democratic people' s republic; Engrais compose; Fisiologia de la nutricion; Republica popular dem de corea; Republique dem et pop de coree
注释
Thesis for Associate Doctor. 26 tables; 13 ill. AVAILABILITY: Academy of Agricultural Science, Pyongyang, Korea Democratic People's Republic.
类型
Monograph; Thesis; Non Conventional; Non-Conventional
团体作者
Academy of Agricultural Science, Haiju (Korea Democratic People' s Republic). Inst. for Reed
Academy of Agricultural Science, Pyongyang (Korea Democratic People' s Republic).
2012-11-15
AGRIS AP