management agriculture water practices weeds weed strategies dryland agriculture dryland contingent farming agriculture laws models of contract farm laws farm bill contract farming tür origin himachal pradesh pulses technology production arhar sustainability soil feritility nutritional requirement export pest management constraints meaning and concept horizontal vertical maize wheat rice approaches agronomy diversification crop group brainstorming ideas innovation origin of ideas lead generation focus creativity sources extension quality entrepreneur features entrepreneurship characteristics chenopodium venturia spiloacea lesions schedule symptoms apple etiology spray scab hyacinth emersed nelumbium typha submerged rooted classification immersed floating loranthus cuscuta parasitic orobanche parasite striga critical stages depletion irrigation depth tensiometer basin and furrow method drip irrigation growth stages soil transpiration evapotranspiration rooting requirement banana factors food microbiology waterborne microbiology intrinsic preservation of food food preservation examination extrinsic preservation food azotobacter nitrogen fixation vermicompost earthworms role feritlity biogas plant biofertilizer beneficial microorganisms compost composting organism useful abundance requirements death log micro lag curve exponential types growth nutrient macro phase organisms transformation spores science cell membrane bacteria prokaryotes shape size structure introduction intro
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