REDUCING THE NITROGEN INPUT ON ARABLE FARMS

[1] *AGR BUS CONS LTD, 1984, AGR BUDG COST BOOK, V18

[2] *AGR DEV ADV SERV, 1980, ENT GROSS MARG AR CR

[3] *AGR DEV ADV SERV, 1977 1981 RES AGR SE

[4] AN ARABLE FARM MODEL TO EVALUATE THE COMMERCIAL VIABILITY OF NEW MACHINES OR TECHNIQUES [J]. JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH, 1981, 26 (02): : 135 - 149

[5] ANNUAL COST OF MACHINERY CALCULATED USING ACTUAL CASH FLOWS [J]. JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH, 1978, 23 (02): : 189 - 201

[6] AUDSLEY E, 1984, DN1234 NAT I AGR ENG

[7] BANFIELD CF, 1981, EXP HUSB, V37, P7

[8] BERG E, 1984, IMPACT ENV LEGISLATI

[9] BOYD DA, 1976, J AGR SCI, V87

[10] BROOKS D. H., 1970, Outlook on Agriculture, V6, P122

[1] *AGR BUS CONS LTD, 1984, AGR BUDG COST BOOK, V18

[2] *AGR DEV ADV SERV, 1980, ENT GROSS MARG AR CR

[3] *AGR DEV ADV SERV, 1977 1981 RES AGR SE

[4] AN ARABLE FARM MODEL TO EVALUATE THE COMMERCIAL VIABILITY OF NEW MACHINES OR TECHNIQUES [J]. JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH, 1981, 26 (02): : 135 - 149

[5] ANNUAL COST OF MACHINERY CALCULATED USING ACTUAL CASH FLOWS [J]. JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH, 1978, 23 (02): : 189 - 201

[6] AUDSLEY E, 1984, DN1234 NAT I AGR ENG

[7] BANFIELD CF, 1981, EXP HUSB, V37, P7

[8] BERG E, 1984, IMPACT ENV LEGISLATI

[9] BOYD DA, 1976, J AGR SCI, V87

[10] BROOKS D. H., 1970, Outlook on Agriculture, V6, P122