Titlebook: Isotopic Studies of Azolla and Nitrogen Fertilization of Rice; Report of an FAO/IAE K. S. Kumarasinghe,D. L. Eskew Book 1993 Kluwer Academi

周興旺

Use of ,N labelled ammonium sulphate and ,N-labelled urea as a source for labelling , with ,N, technique often had a higher %N than unlabelled . grown in field nurseries with soil-water culture. Also, at the Research Co-ordination Meeting held in December 1984 in Vienna, evidence was presented that urea could inhibit the growth of .. Furthermore, the cost of .N in the chemical form of urea is 2–3 times higher than as ammonium sulphate.

KEGEL

Summary and conclusions,United States of America, have collaborated in this 5-year programme. The main goals were to (a) quantify the amount of N. fixed by the . symbiosis, (b) evaluate . as an N source for rice production, and (c) to develop management techniques to integrate . into sustainable rice cropping systems while maintaining high yields.

違法事實(shí)

https://doi.org/10.1007/978-94-011-1681-7Ammonium; FAO; algae; cyclin; nitrogen; pollution; soil; wheat

Apraxia

978-94-010-4735-7Kluwer Academic Publishers 1993

GIBE

FIR

偽書

Microtechnology and MEMShttp://image.papertrans.cn/t/image/882328.jpg

COLIC