id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71596	Manner, Rolf	Heterosis in red clover	1963	9	.pdf	application/pdf	3773	247	69	Material and methods The present author found it of practical interest for plant breeding and plant husbandry to undertake experiments to explore the practical possibilities of making bulk crosses and mixtures between red clover strains, and of investigating the possi- bilities of obtaining practically usable strains of crosses by a breeding method for combining ability. In Table 6 are given the average results of separate bulk crosses performed with selected plants of different strains.	cache/afs-71596.pdf	txt/afs-71596.txt