Leong, Ah Chye, <br/><br/>
Nitrogen and potassium requirements of chinese cabbage (Brassica rapa L.) on oligotrophic peat / 
by Leong Ah Chye and Salbiah Husin 
 - Serdang :  Malaysian Agricultural Research and Development Institute (MARDI),  2002 
 - 1 page 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chinese cabbage<br/>Netted structure