Showing 1 - 6 results of 6 for search '', query time: 0.11s Refine Results
  1. 1
    Visual Material

    Effects of the different tillage techniques on the efficiency of weed control and nitrogen uptake in transplanted rice [microform].
  2. 2
    by Castillo, Edgardo H. 1946-
    Published 1980
    Visual Material

    Effects of organic and inorganic fertilizers on corn performance and on some soil properties [microform]
  3. 3
    by Apacible, Alejandro R.
    Published 1974
    Visual Material

    Fertility development at Canlubang sugar estate [microform]
  4. 4
    by Altarejos, Josefina A.
    Published 1974
    Visual Material

    A scientific investigation on the effect of chicken manure fertilizer on the growth of some food plants [microform]
  5. 5
    Book

    Effects of organic and inorganic fertilizers on corn performance and on some soil properties
  6. 6
    Book

    Effects of the different tillage techniques on the efficiency of weed control and nitrogen update in transplanted rice
Search Tools: Get RSS Feed — Email this Search