caa a22 4500 465776892 CHVBK 20180323111944.0 cr unu---uuuuu 170327e19900301xx s 000 0 eng 10.1007/BF00115362 doi (NATIONALLICENCE)springer-10.1007/BF00115362 Canopy management possibilities for arboreal Leucaena in mixed sorghum and livestock small farm production systems in semi-arid India [Elektronische Daten] [Drake Hocking, D. Gangadhar Rao] A major problem for small farmers in the semi-arid tropics is the chronic shortage of fodder for draft animals. Leucaena leucocephala has improved productivity in many places in India and in various cropping systems, usually as either a pure crop or in a hedgerow alley-cropping configuration. Mixed cropping with arboreal forms is seldom seen. For off-season fodder production, hedgerows have the disadvantage of being open to unmanaged browsing when unfenced (as is usual). Arboreal forms are generally far less vulnerable. In this paper, the components of production of sorghum and arboreal Leucaena are measured under different intensities of canopy lopping. The most productive management system of those examined was pollarding of the Leucaena at the time of under-sowing with sorghum. In a year with less than 50% of average seasonal rainfall, this system gave a yield of 4.6 tonnes/ha/yr fresh wt fodder and 3.8 tonnes/ha/yr dry wt. of fuel harvests, while increasing the standing crop of wood by 1.8 t/ha/yr and retaining a yield of sorghum grain equivalent to 46% of pure sorghum cropping; the LER of this system was 1.35. Cash values of the alternative management systems were estimated, including the discounted Net Present Value of the standing crop of timber. Maximum value was attained with unlopped pure crop Leucaena followed by pollarded Leucaena with sorghum; pure crop sorghum achieved a lower value. These results demonstrate both the high productivity of Leucaena/sorghum based systems, and the stability of production even in poor rainfall conditions. Pollarding transferred the high future value of Leucaena timber to the present value of sorghum grain and fuelwood. Kluwer Academic Publishers, 1990 Leucaena leucocephala nationallicence Sorghum bicolor nationallicence semi-arid India nationallicence agroforestry nationallicence fodder nationallicence fuelwood nationallicence sorghum nationallicence pollarding nationallicence micro-climate nationallicence biomass nationallicence Hocking Drake Central Research Institute for Dryland Agriculture, P.O. Saidabad, 500659, Hyderabad, India aut Gangadhar Rao D. Central Research Institute for Dryland Agriculture, P.O. Saidabad, 500659, Hyderabad, India aut Agroforestry Systems Kluwer Academic Publishers 10/2(1990-03-01), 135-152 0167-4366 10:2<135 1990 10 10457 https://doi.org/10.1007/BF00115362 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00115362 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Hocking Drake Central Research Institute for Dryland Agriculture, P.O. Saidabad, 500659, Hyderabad, India aut NATIONALLICENCE 700 1- Gangadhar Rao D. Central Research Institute for Dryland Agriculture, P.O. Saidabad, 500659, Hyderabad, India aut NATIONALLICENCE 773 0- Agroforestry Systems Kluwer Academic Publishers 10/2(1990-03-01), 135-152 0167-4366 10:2<135 1990 10 10457 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer