搜索结果: 1-3 共查到“农学总论 economic assessment”相关记录3条 . 查询时间(0.092 秒)
Variable rate fertilizer application in Turkish wheat agriculture: Economic assessment
Precision agriculture economic assessment wheat production variable rate fertilizer application
2011/1/11
Fertilizer application is one of the most important operations in agricultural production. Traditionally, fertilizer is applied onto the whole farmland regardless of the variations across the land.
Economic assessment of fertilizer use and integrated practices for environmental sustainability and agricultural productivity in Sudan savannah zone, Nigeria
Organic inorganic fertilizer nutrient loss environmental exploitation degradation
2011/1/10
An assessment of fertilizer use and other integrated practices was carried out with two hundred farmers selected by stratified random sampling from twenty villages in Kano and Katsina States of Nigeri...
Economic assessment of seed-tuber practices of yam Dioscorea cayenensis and Dioscorea rotundata planting materials
Farmer yam-seed practices knowledge rate of emergence loss productivity profitability
2010/9/10
Planting material from different tuber parts (proximal, medial, distal) of four yam (Dioscorea cayenensis and Dioscorea rotundata) varieties (Laboko, Gangni, Alakitcha, Gnanlabo) showed significant di...