id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71531	Pessi, Yrjö	Fen fertilization with potash in the light of tests at Leteensuo experimental station	1960	10	.pdf	application/pdf	3171	168	75	K 2 O Unclayed Clayed Grain Increase Straw Increase Grain Increase Straw Increase yield in yield yield in yield yield in yield yield in yield 0 1335 3317 - 2087 4509 30 1883 548 4392 1075 2468 381 5205 696 60 2229 894 5099 1782 2612 525 5701 1192 90 2327 992 5424 2107 2710 623 5739 1230 120 2271 936 5557 2240 2771 684 6044 1535 Grain yield, fertilizing 160* 217** 291 *** claying 103* 140 ** 187 *** Table 7. Crop yield results The weather conditions during the test years have been described in a previous publication (4).	cache/afs-71531.pdf	txt/afs-71531.txt