Yield response of two sweet potato cultivars to different levels of nitrogen-potassium fertilizer under different management practices

ग्रंथसूची विवरण
मुख्य लेखक:	Orongan, Joaquin C. 1954-
स्वरूप:	पुस्तक
भाषा:	English
विषय:	Sweet potatoes > Fertilizers and manures. > Philippines. Nitrogen fertilizers.