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Abstract:

Keywords:	2 4‐D abnormal seedlings abscission adaptability added‐value agriculture additive main effects and multiplicative effects model agricultural research agro‐ecosystems alfalfa extract allelochemicals allelopathic potential allelopathy Allium cepa allometric model ammonium annual Medicago spp aqueous extracts arbuscular mycorrhizal fungi arid ash content autotoxicity Avena sativa barley bioassay biomonitoring black pepper boll weight Bradyrhizobium inoculant strains breadfruit Cajanus cajan calcium carbon isotope discrimination chemical properties chicory chlorophyll content Cicer arietinum L cluster analysis cluster size CO2 enrichment comparison of classifications competitive response Conyza albida correlation cotton cotton fibre cover crop cover crops cowpea cropping systems crops crop‐weather model crossover interaction cultivar cultivar maturity cultivar performance yield trial cultivars development stage digestibility disease and insect resistance drought dry matter accumulation dry matter yield dry matter duckweed durum wheat (Triticum durum Desf) emergence percentage emergence rate emergence time Eragrostis tef erosion erosional drift ethephon Ethiopia Ethrel evapotranspiration fibre flax foliar application food security forage legumes forage quality functional food/feed functional genomics gene genotype–environment interaction genotype?×?environment interaction germination germination percentage germination rate Glycine max glycinebetaine graft grain grain filling grain yield grass grasses grassland species Greece groundnut groundnut varieties growth growth characteristics growth performance growth rate hail harvest date head rice yield Helianthus annuus high oleic sunflower Hordeum horseweed HPLC Hungarian vetch (Vicia pannonica Crantz) hypocotyl injury imbibition immobilization industrial ecology integrated crop production integrated gene management integrated natural resources management intercropping interference internode ion uptake irrigated irrigation kernel characteristics kidney beans kura clover (Trifolium ambiguum M B ) leachate lead leaf angle leaf area estimation leaf chlorophyll LER lettuce light reflector Linum usitatissimum loss magnesium maize Medicago polymorpha L Medicago rugosa Desr Medicago scutellata (L) Mill Medicago truncatula Gaertn Mediterranean Mentha spicata mineral content Miscanthus mixed stands mixture ratios modern biotechnology N2 fixation N uptake N use efficiency nighttime tillage nitrate nitrate reductase nitrogen nitrogen accumulation nodulation non‐uniformity nutritive value oat oil content oleic acid content hybrids onion open top chamber organic manures Oryza sativa L osmotic pressure ozone Parthenium hysterophorus partitioning perennial grain crops phenolic compounds phenolics phosphorus photocontrol photosynthesis phytochrome pigeonpea Piper nigrum L plant nutrient composition plant temperature P‐N fertilization potassium potassium application rates potassium fertilizers precision farming productivity protein content protein fractions rainfed regression regression analysis reintegration residues resin extraction rice root root length root/ shoot ratio row spacing saline drainage water salinity salinity stress salt‐sensitive seasons seedling emergence seedling growth semiarid shade tolerance shoot similarity of classifications Sinapis alba smother crops soil moisture deficit soil moisture soil nitrates soil organic matter soil parameters soil properties soil salinity soil types solar radiation weighing factor sorghum soybean [Glycine max (L) Merrill] genotypes soybean (Glycine max (L) Merr) soybean SPAD reading Spirodela polyrhiza spore populations stability Stagnic Luvisol stratification of environments stratification of genotypes and environments stress recovery Striga hermonthica sunflower support plant synthetic auxin temperature texture tillage system tillering time of potassium application tobacco topography ultraviolet uptake UV‐B vanadium varietal differences vertisols Vigna unguiculata vigour volatile compounds water relations water uptake weed weed control weed distribution weed germination wheat yield yield components yield mapping yield prediction Zea maize Zea mays L zinc

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