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H a r r i s o n С. M. Responses of Kentucky bluegrass to variation in tempera­

ture, light, cutting and fertilising. Plant Physiology, 9, 1934.

H a r r i s G. С. H. M. van Bavel. Growth, yield and water absorption of tabacco

plants as affected by composition of tne root atmosphera. Agron. Journ. 49,

4, 1957.

H e a t h G. W. The influence of ley management on earthworm population.

Journ. of the British Grassland Society. 17, 4, 1962.

He i n M. A., V i n a l l H. N. Persistence of grass and legume species under

grazing conditions. Journ. Amer. Soc. Agron. 25, 9, 1933.

H o d s o n , G r u n d e r , Kn o t t , E l l i g t on. A comparation of rotational

and continoous grazing of pastures in Western Waschington. Wasch. Agr.

Exp. Sta. Bull. 294, 1934.

H o l m e s W. The intensive production of herbage for crop-drying. III. The

effect of the continued application of nitrogenous fertilizers to grassland.

Journ. Agric. Sci., 41, 1, 1951.

I r v i n g A. A. The beginning of photosynthesis and the development of chlo­

rophyll. Ann. of Botan. 24, 1910.

J a c q u e s W. A. A new type root sampler. N. Z. J. Sci. Technl., Sect. A 20,

1937 a.

J a c q u e s W. A. The effect of different rates of defoliation on the root deve­

lopment of certain grasses. N. Z. J. Sci. Tech. 19, 1937

6

.

J a c q u e s W. A., E d m o n d D. B. Root debelopment in some common New

Zealand pasture plants. N. Z. J, Sci. Tech. 34, 3, 1951.

J a n t t i , Au g u s t , R e i j o H e i n o n e n . Effect of defoliation and soil

moisture on grassland re-growth. Journ. of the Britisch Grassand Society,

12

,

1

, 1959.

J a n t t i , Au g u s t , K r a m e r P a u l . Regrowth of pasture in relation to

soil moisture and defoliation. Seventh International Grassland Congress, 1956.

J e f f e r i e s T. A. The vegetative anatomy of Molinia caerulea, the purple

heath grass. New Phytol. 15, 1916.

J o h n s s o n H. Slattertids forsok i bis luzern (Investigations in the time

of cutting luzern) Sverig Utsadesforen Tidskr. 1938 (Herb. Abs).

J u 1a n d e r O. Drought resistance in range and pasture grasses. Plant Phy­

siol.,

20

, 1945.

К a u t e г A. Beitrage zur Kenntnis des Wurzelwachstums der Graser. Diss.

731. Zurich (Herb. Abstr.) Ber. Schweiz. Bot. Ges. 42, 1933.

K i r c h n e r O., L o e w E., S c h r o e t e r C. Lebensgeschichte der Blutenpflan-

zen Mitteleuropas, 1904—1914.

К 1a p p E. Uber die Wurzelverbreitung der grasnarbe bei verschiedener Nut-

zungsweise und Pflanzen gesellschaft. Planzenbau, 19, 221—236, 1943.

К 1a p p E. Ueber die Grundlagen der Mah-und Weidefahigkeit unserer Pflanzen,

1937, Fourth Intemat. Grassland Congress. Report.

K n o b l a u c h H. C., Ah 1g г e n G. H., G a u s m a n H. W. Persistence of

timothy as determined by physiological response to different management

systems. Agr. J., 47, 1955.

К

u m a r L. S. S., G о d b о 1e S. R. Rotational (intermitten intensive) system

of grazing in Bombey province. Agric. and Livestock in India, IX, 1939.

L a m b a P. S., A h l g r e n H. L., M u c k e r n h i r n R. J. Root growth of

alfalfa, medium red clover, bromgrass and timothy under various soil condi­

tions. Agron. Journ., 41, 1949.

L a n g e r R. H. M. Growth and nutrition of timothy (Phleum pratense). 1. The

life history of individual tillers. Ann. appl. Biol. 44, 1, 1956.

L a n g e r R. H. M. Growth and nutrition of timothy (Phleum pratense).

2. Growth of the plant in relation to tiller development. Ann. appl. Biol.

45, 3, 1957.

L e n о M., J o s h i h a r a K., K a w a n a b e S. Effect of cutting on the sod­

binding of the orchard grass sward. Proc. Crop. Sci. Sol. Japan. Hebr. abst.

29, 1, 1960.

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