00478nam a22001457a 4500003000400000008004100004020001600045082001800061100002000079245005700099250001200156260003600168300001100204650011700215OSt241205b        |||||||| |||| 00| 0 eng d  a 0408106492  a631.54 bJ50P  aJohnson, C.B.    aPhysiological processes limiting plant productivity   a1st.ed.  aLondon: bButterworths, c1981.  a395 p.  aAgriculture and related technologies | Technology (Applied sciences) | Physiological process | Plant development