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We in man'll H. Investigetions on the underground reserves of south African

grasses. 1947 (no Trougthon).

W e i n m a n n H. Effect of defoliation intensity and fertilizer treatment on

Transvaal highveld Emp. Journ. Exp. Agr. XI, 42, 1943».

W e i n m a n n H., R e i n h о 1d L. E. Reserve carbohydrates in south African

grasses. J. S. Afr. Bot.f

12

, 1946.

W e n t F. W. The physiology of photosynthesis in higher plants. Preslia 30,

1958 (fo May, 1960).

W i g g a n s R. G. Studies of various factors influencing the yield and the dura­

tion of life of meadow and pasture plants. Cornell. Univ. Agr. exp. Sta. 424,

1923.

W i l l i a m s R. D. On the physiological significance of seminal roots in peren­

nial grasses. Ann. Bot. Lon. 26, 102, 1962.

W i l l a r d С. I. Root reserves of alfalfa with special reference to time of cut­

ting and yield. Journ. Am. Soc. Agron.

22

, 1930.

W i t t e K. Beitrag zu der Grundlagen des Grassbaues. Landw. Jharb. Berlin.

од 1929

W o o d m a n H. E. and others. Nutritive value of pasture. Journ. Agric. Sc.

XIX 1929.

W o o d w a r d T .

E., S c h e p h e r d I. B., He i n M. A. The hohengeim system

in the management of permanent pastures for dairy cattle. Un. St. Dep. Agr.

Tech. Bull. 660, 1938.

Y a t e s M. E., J a c q u e s W.

A,

Root development in some common New

Zealand pasture plants. VI. Importance of various roots particularly the

seminal root of perennial ryagrass (Lolium perenne) N. Z. Journ. Tech. 34f

3, 1953.

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